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Saudi youth jobs and professions, following up on the progress of work in factories, a picture from the back of two Saudi Gulf Arab engineers wearing helmets and a protective vest standing between pipelines at sunset, the concept of gas production in the Kingdom of Saudi Arabia, background of the oil refining plant
Following up on the progress of work in factories, Saudi professions and jobs, the concept of gas production in the Kingdom of Saudi Arabia, a picture from the back of a group of Arab Gulf Saudi engineers wearing helmets and protective vests and standing between pipelines, background of an oil refining plant.
The concept of gas production in the Kingdom of Saudi Arabia, following up on the progress of work in factories, a close-up photo of two Saudi Gulf Arab engineers wearing helmets and a protective vest and standing between pipelines, Saudi engineering professions and jobs, oil refining factory background
Following the progress of work in factories, Saudi professions and jobs, a picture from the back of two Saudi Gulf Arab engineers wearing work uniforms walking in an oil refining plant, the concept of gas productivity in the Kingdom of Saudi Arabia, blue sky background
Saudi engineering professions and jobs, a picture from the back of two Saudi Gulf Arab engineers wearing helmets and protection vests walking in an oil refining plant, the concept of gas productivity in the Kingdom of Saudi Arabia, following up and monitoring the progress of work in factories
The concept of gas production in the Kingdom of Saudi Arabia, Saudi professions and jobs, following up on the progress of work in factories, a picture from the back of two Saudi Arab Gulf engineers wearing helmets and protective vests standing between pipelines at sunset, background of the oil refining plant
Following up on the progress of work in factories, Saudi professions and jobs, a picture from the back of two Saudi Gulf Arab engineers wearing helmets and protection vests walking in an oil refining plant, the concept of gas productivity in the Kingdom of Saudi Arabia
The use of modern techniques and technology in oil and gas production in the Kingdom of Saudi Arabia, the quality of oil production laboratories and equipment, a picture from the back of a Saudi-Gulf Arab man wearing a helmet and a protective vest following the progress of the factory’s work, Saudi professions and jobs, oil refinery background
Saudi professions and jobs, following up on the progress of the factory, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, a picture from the side of a Saudi Gulf Arab engineer wearing a protective jacket and helmet working on the oil refinery at sunset, the quality of oil production laboratories and equipment
Working in the industrial engineering sector, a close-up photo of a Saudi Gulf Arab engineer wearing a jacket and a protective helmet standing with crossed hands at his workplace, Saudi laboratories and factories, youth engineering professions and works, standing confidently and looking at the camera
The concept of gas production in the Kingdom of Saudi Arabia, a picture of a Saudi Gulf Arab man wearing a helmet and a protective vest, following the progress of factory work, Saudi professions and jobs, oil refinery background
Working in the industrial engineering sector, a close-up photo of a Saudi Gulf Arab engineer wearing a jacket and a protective helmet standing with crossed hands at his workplace, Saudi laboratories and factories, youth engineering professions and works, standing confidently and looking at the camera
The concept of gas production in the Kingdom of Saudi Arabia, following up on the progress of work in factories, Saudi professions and jobs, two Saudi Gulf Arab engineers wearing helmets and protection vests standing in an oil refining factory
Monitoring and troubleshooting the workflow in factories, the concept of gas productivity in the Kingdom of Saudi Arabia, Saudi engineering professions and jobs, a picture from the back of Saudi Gulf Arab engineers wearing helmets and protection vests walking in an oil refinery factory
Following the progress of work in factories, a picture from the back of two Saudi Gulf Arab engineers wearing helmets and protection vests standing between pipelines at sunset, the concept of gas production in the Kingdom of Saudi Arabia, Saudi professions and jobs, background of the oil refining plant
Cartoon drawings of a Saudi Gulf Arab engineer wearing a protective helmet, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, quality of oil production plants and equipment, following up on the progress of factory work, engineering professions and jobs, petrochemical industrial projects
The quality of oil production plants and equipment, Saudi professions and jobs, following up on the progress of the factory, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, a Saudi Gulf Arab engineer wearing a protective jacket and helmet working on the oil refinery
Adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, quality of oil production laboratories and equipment, cartoon drawings of a Saudi Gulf Arab engineer wearing a protective helmet, following up on the progress of factory work, engineering professions and jobs, petrochemical industrial projects
The concept of gas production in the Kingdom of Saudi Arabia, following up on the progress of work in factories, a picture from the back of two Saudi Gulf Arab engineers wearing helmets and a protective vest and standing between pipelines at sunset, Saudi professions and jobs, background of the oil refining factory.
Following up on the progress of the factory’s work, cartoon drawings of a Saudi Gulf Arab engineer wearing a protective helmet, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, quality of oil production plants and equipment, engineering professions and jobs, petrochemical industrial projects
Following the progress of work in factories, a picture from the back of two Saudi Gulf Arab engineers wearing helmets and protection vests standing between pipelines at sunset, the concept of gas production in the Kingdom of Saudi Arabia, Saudi professions and jobs, background of the oil refining plant
Achieving the industrial revolution, Saudi laboratories and factories, working in the industrial engineering sector, a close-up photo of a Saudi Gulf Arab engineer wearing a jacket and a protective helmet standing with crossed hands at his workplace, youth engineering professions and works, standing confidently and looking at the camera
Engineering professions and jobs, monitoring the progress of factory work, cartoon drawings of a Saudi Gulf Arab engineer wearing a protective helmet, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, quality of oil production plants and equipment, petrochemical industrial projects
The quality of oil production plants and equipment, the adoption of modern techniques and technology in oil and gas production in the Kingdom of Saudi Arabia, a picture from the back of a Saudi-Gulf Arab businessman wearing the traditional Saudi thobe, following the progress of the factory’s work, Saudi professions and jobs, oil refinery background
Adoption of modern techniques and technology in oil and gas production in the Kingdom of Saudi Arabia, quality of oil production laboratories and equipment, picture from behind of a Saudi-Gulf Arab businessman wearing the traditional Saudi thobe, following the progress of the factory’s work, Saudi professions and jobs, background of the oil refinery
The use of modern techniques and technology in oil and gas production in the Kingdom of Saudi Arabia, the quality of oil production laboratories and equipment, a picture from the back of a Saudi-Gulf Arab businessman wearing the traditional Saudi dress, following the progress of the factory’s work, Saudi professions and jobs, oil refinery background
Standing confidently and looking at the camera, achieving the industrial revolution, Saudi laboratories and factories, working in the industrial engineering sector, a close-up photo of a Saudi Gulf Arab engineer wearing a helmet and safety glasses standing with crossed hands in his workplace, youth engineering professions and works
Saudi jobs and professions, adopting modern techniques and technology in oil and gas production in the Kingdom of Saudi Arabia, quality of oil production laboratories and equipment, picture from behind of a Saudi Gulf Arab businessman wearing the traditional Saudi thobe following the progress of the factory’s work, background of the oil refinery
Petrochemical industrial projects, engineering professions and jobs, monitoring the progress of factory work, cartoon drawings of a Saudi Gulf Arab engineer wearing a safety helmet, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, quality of oil production plants and equipment.
Following up on the progress of the factory’s work, cartoon drawings of a Saudi Gulf Arab engineer wearing a protective helmet, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, quality of oil production plants and equipment, engineering professions and jobs, petrochemical industrial projects
Pursuing work in the industrial engineering sector, youth engineering professions and works, standing confidently and looking at the camera, Saudi laboratories and factories, close-up portrait of a Saudi Gulf Arab engineer wearing a helmet and safety glasses, standing with crossed hands, black background
Huge and large warehouses, monitoring the progress of work in factories, the concept of gas productivity in the Kingdom of Saudi Arabia, a picture from the back of a Saudi Gulf Arab worker wearing a protective uniform watching petrochemical industries and projects, oil refining plants in the Kingdom of Saudi Arabia
Follow up and monitor the progress of work in factories, the concept of gas productivity in the Kingdom of Saudi Arabia, Saudi engineering professions and jobs, a picture from the back of two Saudi Gulf Arab engineers wearing helmets and protection vests walking in the oil refining factory
Quality of oil production plants and equipment, adoption of modern techniques and technology in gas production in the Kingdom of Saudi Arabia, cartoon drawings of a Saudi Gulf Arab engineer wearing a protective helmet, following up on the progress of factory work, engineering professions and jobs, petrochemical industrial projects
Inspection of oil and gas equipment in the factory, achieving the industrial revolution, using modern techniques and technology in engineering, a close-up photo of a Saudi-Gulf Arab engineer wearing glasses and a protective helmet holding a tablet in his hand, Saudi professions and jobs, quality of production and manufacturing
Production and extraction of gas in the Kingdom of Saudi Arabia, supervising the progress of work in factories, Saudi professions and jobs, a picture from the back of engineers, a picture from the back of a Saudi-Gulf Arab businessman wearing the traditional Saudi thobe, standing in a desert area at sunset, background of the oil refinery factory
Industrial engineering and equipment, oil and gas refining plant in the middle of the sea, Dukhan refinery, factories and laboratories in the Kingdom of Saudi Arabia, two industrial workers wearing helmets and protective vests carrying out petroleum extraction operations, petrochemical industries and projects.
Adopting modern technologies in gas production in Saudi Arabia, following up on the progress of work in factories, a picture from the back of two Saudi Gulf Arab engineers wearing helmets and a protective vest and standing between pipelines, Saudi professions and jobs, background of the oil refining factory.
Engineering professions and jobs, monitoring the progress of factory work, cartoon drawings of a Saudi Gulf Arab engineer wearing a protective helmet, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, quality of oil production plants and equipment, petrochemical industrial projects
A view of factory smoke in the air, engineering, equipment and huge industrial warehouses, a close-up of an oil and gas refining plant in the sunset, petrochemical industrial projects, economic growth and progress, oil production in the Kingdom of Saudi Arabia
The concept of gas production in the Kingdom of Saudi Arabia, Saudi professions and jobs, following up on the progress of work in factories, a picture from the back of engineers, a picture from the back of a Saudi Arabian Gulf businessman wearing the traditional Saudi thobe standing in a desert area at sunset, the background of an oil refinery factory
Achieving the industrial revolution, Saudi laboratories and factories, working in the industrial engineering sector, a close-up photo of a Saudi Gulf Arab engineer wearing a jacket and a protective helmet standing with crossed hands at his workplace, youth engineering professions and works, standing confidently and looking at the camera
An industrial worker wearing a helmet and protective vest performs petroleum extraction operations, petrochemical industries and projects, engineering and industrial equipment, oil and gas refining plant in the middle of the sea, Dukhan refinery laboratories, factories and laboratories in the Kingdom of Saudi Arabia
Standing confidently and looking at the camera, achieving the industrial revolution, Saudi laboratories and factories, working in the industrial engineering sector, a close-up photo of a Saudi Gulf Arab engineer wearing a helmet and safety glasses standing with crossed hands in his workplace, youth engineering professions and works
The quality of oil production plants and equipment, Saudi professions and jobs, following up on the progress of the factory, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, a Saudi Gulf Arab engineer wearing a protective jacket and helmet working on the oil refinery
Following the progress of work in factories, a close-up photo of two Saudi Gulf Arab engineers wearing helmets and protection vests and standing between pipelines, Saudi engineering professions and jobs, background of the oil refining plant, the concept of gas productivity in the Kingdom of Saudi Arabia
Supervising the progress of work in factories, the concept of gas production in the Kingdom of Saudi Arabia, Saudi professions and jobs, a picture from the back of engineers, a picture from the back of a Saudi-Gulf Arab businessman wearing the traditional Saudi thobe standing in a desert area at sunset, the background of an oil refinery factory
Adoption of modern techniques and technology in gas production in the Kingdom of Saudi Arabia, quality of oil production laboratories and equipment, cartoon drawings of a Saudi-Gulf Arab engineer wearing a protective helmet working on an oil refinery, following up on the progress of factory work, Saudi professions and jobs
The quality of machinery and equipment in industrial oil extraction plants, modern technologies in oil and gas production, oil refining plants at sunset in the Kingdom of Saudi Arabia, the concept of work in the industrial engineering sector.
Quality of oil production laboratories and equipment, adoption of modern techniques and technology in gas production in the Kingdom of Saudi Arabia, cartoon drawings of a Saudi-Gulf Arab engineer wearing a protective helmet working on an oil refinery, following up on the progress of factory work, Saudi professions and jobs
Petrochemical industries and projects, huge and large warehouses, engineering and industrial equipment, factories and laboratories in the Kingdom of Saudi Arabia in Al-Shorouk, oil and gas refining plant at sea, Dukhan refinery laboratories.
Factories and laboratories in the Kingdom of Saudi Arabia, oil and gas refining plant in the industrial zone, pipelines and steel cables, petrochemical industries and projects, huge and large warehouses, industrial engineering and equipment.
Cartoon drawings of a Saudi Gulf Arab engineer wearing a protective helmet, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, quality of oil production plants and equipment, following up on the progress of factory work, engineering professions and jobs, petrochemical industrial projects
Economic growth and progress, petrochemical industrial projects, monitoring the progress of factory work, cartoon drawings of a Saudi Gulf Arab engineer wearing a safety helmet, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, quality of oil production plants and equipment.
Oil and gas extraction platform in the middle of the sea, huge and large temporary storage warehouses, petrochemical industries and projects, industrial engineering and equipment, petroleum processing in Saudi Arabia’s factories, sunset view in a sky full of clouds
Modern technologies in the production of oils and gas, the quality of machinery and equipment in oil extraction plants, petroleum refining plants in the Kingdom of Saudi Arabia, the concept of work in the industrial engineering sector.
The quality of machinery and equipment in industrial oil extraction plants, modern technologies in oil and gas production, oil refining plants at sunset in the Kingdom of Saudi Arabia, the concept of work in the industrial engineering sector.
Huge and large temporary storage warehouses, petrochemical industries and projects, industrial engineering and equipment, petroleum processing in Saudi Arabia’s factories, oil and gas extraction platform in the middle of the sea, sunset view in the sky full of clouds
The concept of gas production in the Kingdom of Saudi Arabia, monitoring the progress of work in factories, a picture from the back of Saudi Gulf Arab workers wearing protective uniforms monitoring petrochemical industries and projects, oil refineries in the Kingdom of Saudi Arabia, huge and large warehouses
Factories and laboratories of the Kingdom of Saudi Arabia, oil and gas refining plant at night, Dukhan refinery laboratories, petrochemical industries and projects, huge and large warehouses, industrial engineering and equipment.
Quality of oil production plants and equipment, petrochemical industrial projects, economic growth and progress, adoption of modern techniques and technology in gas production in the Kingdom of Saudi Arabia, cartoon drawings of an oil refinery in the desert
Saudi professions and jobs, adopting modern techniques and technology in oil and gas production in the Kingdom of Saudi Arabia, quality of oil production laboratories and equipment, photo from behind of a Saudi Arabian Gulf businessman wearing the traditional Saudi thobe following the progress of factory work, background of the oil refinery
Following the progress of work in factories, a close-up photo of two Saudi Gulf Arab engineers wearing helmets and protection vests and standing between pipelines, Saudi engineering professions and jobs, background of the oil refining plant, the concept of gas productivity in the Kingdom of Saudi Arabia
Oil and gas refining plant, view of factory smoke spreading in the air at sunset, petrochemical industrial projects, economic growth and progress, oil production in the Kingdom of Saudi Arabia
Monitoring the progress of work in factories, the concept of gas productivity in the Kingdom of Saudi Arabia, Saudi professions and jobs, a picture from the back of engineers, a picture from the back of a Saudi-Gulf Arab businessman wearing the traditional Saudi dress standing in a desert area at sunset, the background of an oil refinery factory
Economic growth and progress, petrochemical industrial projects, monitoring the progress of factory work, cartoon drawings of a Saudi Gulf Arab engineer wearing a safety helmet, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, quality of oil production plants and equipment.
The use of artificial intelligence robots in factories, a back image of two Saudi Arabian Gulf engineers, reliance on automation, modern technical and technological development and transformation, efficiency in manufacturing and production and achieving t
A view of factory smoke in the air, engineering, equipment and huge industrial warehouses, a close-up of an oil and gas refining plant in the sunset, petrochemical industrial projects, economic growth and progress, oil production in the Kingdom of Saudi Arabia
Saudi professions and jobs, a picture from the back of two Saudi Gulf Arab engineers wearing helmets and protection vests walking in an oil refining plant, the concept of gas production in the Kingdom of Saudi Arabia, following up on the progress of work in factories
Adopting automation, the use of artificial intelligence robots in factories, modern technical and technological development and transformation, efficiency in manufacturing and production and achieving the industrial revolution, a back view of a Saudi Arab
Following up on the progress of work in factories, the interior of a large industrial building equipped with a crane and pipes, adopting modern technologies in gas production in Saudi Arabia, heavy equipment and tools, the concept of engineering and industry
ADNOC Oasis Services in Al Ain City in the Emirate of Abu Dhabi, providing and securing basic services and gas stations for cars in the United Arab Emirates, Abu Dhabi National Oil Company
Quality in production and manufacturing and achieving the industrial revolution, modern technical and technological transformation and development, adoption of automation and artificial intelligence in engineering, a Saudi Arabian Gulf engineer follows up
View of factory smoke spreading in the air at sunset, oil and gas refining plant, petrochemical industrial projects, economic growth and progress, oil production in the Kingdom of Saudi Arabia
Two Saudi Arabian Gulf industrial engineers wearing a protective jacket and helmet are supervising the production in the factory, holding the factory blueprint sheet, the steps of the production process, the concept of engineering and industry
The concept of equality between men and women, two Saudi Arabian Gulf factory engineers wearing a protective jacket and helmet, cooperating and following up on work using a tablet, adopting modern techniques and technology in engineering, Saudi profession
Adopting mechanisms and artificial intelligence in engineering, production and manufacturing efficiency, achieving the industrial revolution, modern technical and technological transformation and development, a smiling Saudi Arab Gulf engineer who follows
Quality of oil production laboratories and equipment, adoption of modern techniques and technology in gas production in the Kingdom of Saudi Arabia, cartoon drawings of a Saudi-Gulf Arab engineer wearing a protective helmet working on an oil refinery, following up on the progress of factory work, Saudi professions and jobs
The use of tablets, technology and artificial intelligence robots in factories, two Saudi Arab Gulf engineers in a sophisticated factory, relying on automation, modern technical and technological transformation, efficiency in manufacturing and production
The quality of machinery and equipment in oil extraction plants, modern technologies in oil and gas production, petroleum refining plants in the Kingdom of Saudi Arabia, the concept of work in the industrial engineering sector.
Petrochemical industrial projects, quality of oil production plants and equipment, economic growth and progress, adoption of modern techniques and technology in gas production in the Kingdom of Saudi Arabia, cartoon drawings of an oil refinery in the desert
Quality of oil production plants and equipment, adoption of modern techniques and technology in gas production in the Kingdom of Saudi Arabia, cartoon drawings of a Saudi Gulf Arab engineer wearing a protective helmet, following up on the progress of factory work, engineering professions and jobs, petrochemical industrial projects
Gas productivity in the Kingdom, youth engineering professions and work, standing confidently and looking at the camera, Saudi laboratories and factories, working in the industrial engineering sector, a close-up photo of a smiling Saudi Arabian Gulf Arab supervisory engineer wearing a protection helmet standing with crossed hands in an oil refining plant
Following up on the progress of work in factories, the concept of gas productivity in the Kingdom of Saudi Arabia, a picture from the back of a Saudi Gulf Arab worker wearing a protective uniform monitoring petrochemical industries and projects, oil refineries in the Kingdom of Saudi Arabia, huge and large warehouses
Use the tablet to supervise the work of the satellites, track the movement of planets and stars via satellite, follow up the satellite's communication with outer space, two Saudi Arabian Gulf engineers wearing helmets and special protection jackets, astro
Adoption of modern techniques and technology in oil and gas production in the Kingdom of Saudi Arabia, quality of oil production tools and equipment, oil refinery in desert lands, soft golden sand dunes
Following up on the progress of work in factories, Saudi professions and jobs, a picture from the back of two Saudi Gulf Arab engineers wearing helmets and protection vests walking in an oil refining plant, the concept of gas productivity in the Kingdom of Saudi Arabia
Saudi professions and jobs, supervision and auditing of work, the concept of equality between men and women, a close-up of a Saudi Arabian Gulf engineer who cooperates and follows up on works and plans with a veiled engineer, wearing a safety and protecti
Two Saudi Arabian Gulf industrial engineers wearing a protective jacket and helmet are supervising the production in the factory, holding the factory blueprint sheet, the steps of the production process, the concept of engineering and industry
Two Saudi Arabian Gulf industrial engineers wearing a protective jacket and helmet are supervising the production in the factory, holding the factory blueprint sheet, the steps of the production process, the concept of engineering and industry
Following up on the progress of the factory’s work, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, a side photo of a Saudi Gulf Arab engineer wearing a protective jacket and helmet working on the oil refinery at sunset, the quality of oil production laboratories and equipment, Saudi professions and jobs
Building and painting cars in modern laboratories, quality in manufacturing and producing cars and achieving the industrial revolution, a back view of a Saudi Arabian Gulf engineer using a tablet, the use of artificial intelligence robots in factories, re
Close-up of a Saudi Arabian Gulf engineer wearing a work helmet and protective jacket, looking at the camera, engineering professions and jobs, engineering project management, engineering concept, professional architect
The concept of industrial engineering, the development and growth of the engineering sector in the Kingdom, a close-up photo from the back of a Saudi Arabian Gulf engineer wearing a protection helmet standing in one of the Saudi laboratories and factories, women’s professions and jobs
Dialogue, discussion and exchange of ideas about work affairs, the introduction of women in the field of industrial engineering, two Saudi Arabian Gulf factory engineers wearing a protective jacket and helmet, following up on work using a tablet, the adop
Modern technical and technological development and transformation, operating the production line using a tablet device, adopting mechanisms and artificial intelligence in engineering, efficient production and manufacturing and achieving the industrial rev
Factories and laboratories in the Kingdom of Saudi Arabia, Nahar oil and gas refining plant, Dukhan refinery laboratories, petrochemical industries and projects, huge and large warehouses, engineering and industrial equipment.
Engineering and industry concept, pipelines and steel equipment, factory and laboratory engineering in the Kingdom of Saudi Arabia, water industries and projects, industrial water treatment plant
Happiness gestures for efficient work completion, the concept of equality between men and women, two smiling Saudi Arabian Gulf factory engineers wearing protective jackets and helmets, cooperating and following up on work using a tablet, adopting techniq
Participation of Saudi women in the field of industry and engineering, a close-up portrait from the side of a smiling Saudi Arabian Gulf engineer wearing a hijab and a protective helmet looking at something, Saudi women’s professions and jobs, working in the engineering sector, white background
Management and supervision of local factories and products. Two Saudi Arabian Gulf industrial engineers monitor the factory's work from abroad using a portable tablet. Maintenance and repair of Saudi laboratories, the background of modern, advanced factor
Monitoring the work of factory machines and equipment and controlling them using technology and technology, a veiled Saudi Arabian Gulf industrial engineer wearing a jacket and a white protection helmet holding a tablet in her hand, modern technical devel
Working in the industrial engineering sector, a close-up photo of a Saudi Gulf Arab engineer wearing a jacket and a protective helmet standing with crossed hands at his workplace, Saudi laboratories and factories, youth engineering professions and works, standing confidently and looking at the camera
Maintenance and repair of Saudi laboratories, a picture from the back of two Saudi Arabian Gulf engineers wearing a helmet and a special protection jacket, observing the work of the factory from the outside, integrating technology and technology with the
Supervising the progress of the production process in factories, development in production and manufacturing and achieving the industrial revolution, modern technical and technological transformation, adoption of automation and artificial intelligence in
The quality of oil production plants and equipment, Saudi professions and jobs, following up on the progress of the factory, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, a Saudi Gulf Arab engineer wearing a protective jacket and helmet working on the oil refinery
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