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Steel pipelines and cables, gas productivity concept in Saudi Arabia, monitoring the progress of work in factories and plants, a group of Saudi Arabian Gulf engineers working in an oil and gas refining plant, working in the field of petrochemical industries and projects
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, the quality of oil production laboratories and equipment
Steel pipelines and cables, gas productivity concept in Saudi Arabia, monitoring the progress of work in factories and plants, a group of Saudi Arabian Gulf engineers working in an oil and gas refining plant, working in the field of petrochemical industries and projects
The concept of work in the industrial engineering sector, the quality of machines and equipment in oil extraction laboratories, modern technologies in oil and gas production, petroleum refining plants 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 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
View of factory smoke spreading in the air, oil and gas refining plant, petrochemical industrial projects, economic growth and progress, oil production in the Kingdom of Saudi Arabia
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 concept of gas production in the Kingdom of Saudi Arabia, Saudi jobs and professions, following up on the progress of work in factories, a close-up photo from the back of a Saudi Gulf Arab engineer wearing a helmet and a protective vest standing between pipelines at sunset, background of an oil refining plant
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
Modern technologies in oil and gas production, petroleum refining plants at sunset in the Kingdom of Saudi Arabia, the quality of machinery and equipment in oil extraction plants, the concept of work in the industrial engineering sector
The concept of work in the industrial engineering sector, petroleum refining plants in the Kingdom of Saudi Arabia, the quality of machinery and equipment in oil extraction plants, the use of modern technologies in the production of oils and gas.
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 quality of machinery and equipment in oil extraction plants, the use of modern technologies in the production of oils and gas, petroleum refining plants in the Kingdom of Saudi Arabia, the concept of work in the industrial engineering sector.
The concept of work in the industrial engineering sector, the quality of machinery and equipment in oil extraction laboratories, modern technologies in oil and gas production, oil refining plants at sunset in the Kingdom of Saudi Arabia.
Economic growth and progress, oil exploration equipment and tools, petrochemical industrial projects, silhouette of oil extraction process from desert lands at sunset, adoption of modern techniques and technology in gas production in the Kingdom of Saudi Arabia, Saluit
Following up on the progress of work in factories, the concept of gas production in the Kingdom of Saudi Arabia, Saudi jobs and professions, a close-up photo from the back of a Saudi Gulf Arab engineer wearing a helmet and a protective vest standing between pipelines at sunset, the background of an oil refining factory
Cartoon drawings of a Saudi-Gulf Arab engineer wearing a protective helmet working on an oil refinery, quality of oil production laboratories and equipment, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, following up on the progress of factory work, Saudi professions and jobs
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
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
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
Supervising 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 smiling Saudi Arabian Gulf engineer wearing a protection helmet standing with crossed hands, black background
A group of Saudi Arabian Gulf engineers working in an oil and gas refinery, working in the field of petrochemical industries and projects, steel pipelines and cables, the concept of gas productivity in the Kingdom of Saudi Arabia, following up on the progress of work in factories and plants
Monitoring the progress of work in factories, the concept of gas productivity in the Kingdom of Saudi Arabia, Saudi jobs and professions, a close-up photo from the back of a Saudi Gulf Arab engineer wearing a helmet and a protective vest standing between pipelines at sunset, the background of an oil refining factory
An oil and gas refining plant in the industrial zone in Saudi Arabia, steel pipelines, a fire consuming the pipes connecting parts of the manufacturing and refining machine within the sea, petrochemical industries and projects, pollution and leakage of oil into seawater
Monitoring the progress of work in factories, the concept of gas productivity in the Kingdom of Saudi Arabia, Saudi jobs and professions, a close-up photo from the back of a Saudi Gulf Arab engineer wearing a helmet and a protective vest standing between pipelines at sunset, the background of an oil refining factory
A ship that floats and cleans seawater from oil leaks, oil factories and laboratories in the Kingdom, getting rid of dangerous chemical solutions in the seas, petrochemical industries and projects in Saudi Arabia, preserving the aquatic environment
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
Saudi jobs and professions, following up on the progress of work in factories, a close-up photo from the back of a Saudi Gulf Arab engineer wearing a helmet and a protective vest standing between pipelines at sunset, the concept of gas productivity in the Kingdom of Saudi Arabia, background of an oil refining plant
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
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 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
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
The quality of machinery and equipment in oil extraction plants, the concept of work in the industrial engineering sector, modern technologies in oil and gas production, petroleum refining plants at sunset in the Kingdom of Saudi Arabia.
Factories and laboratories of the Kingdom of Saudi Arabia, 3D design of an oil and gas refining plant, Dukhan refinery laboratories, petrochemical industries and projects, huge and large warehouses, engineering and industrial equipment, gray background
A group of Saudi Arabian Gulf engineers working in an oil and gas refinery, working in the field of petrochemical industries and projects, steel pipelines and cables, the concept of gas productivity in the Kingdom of Saudi Arabia, following up on the progress of work in factories and plants
Steel pipelines and cables, the concept of gas productivity in the Kingdom of Saudi Arabia, monitoring the progress of work in factories and plants, a group of Saudi Gulf Arab engineers working in an oil and gas refining plant, working in the field of petrochemical industries and projects
Saudi professions and jobs, following up on the progress of work in factories, a close-up photo from the back of a Saudi Gulf Arab engineer wearing a helmet and a protective vest standing between pipelines at sunset, the concept of gas production in the Kingdom of Saudi Arabia, background of an oil refining plant
The concept of work in the industrial engineering sector, a close-up picture of a Saudi Gulf Arab engineer wearing a helmet and a protective vest supervising the work of machines, oil refining factories in the Kingdom of Saudi Arabia, the quality of equipment in oil extraction laboratories, modern technologies in oil and gas production
Working in the industrial engineering sector, a close-up picture of a Saudi Gulf Arab engineer wearing a protection helmet repairing equipment and machines in the factory, youth engineering professions and works, Saudi laboratories and factories.
Follow-up of work progress in factories, side view of a Saudi Arabian Gulf engineer wearing a helmet, protective vest and mask standing in front of pipelines, gas production concept in Saudi Arabia, Saudi jobs and professions, 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
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
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
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
Petrochemical industries and projects in Saudi Arabia, a ship that floats and cleans seawater from oil leaks, petroleum factories and laboratories in the Kingdom, getting rid of dangerous chemical solutions in the seas, preserving the aquatic environment
The concept of work in the industrial engineering sector, the quality of machines and equipment in oil extraction laboratories, modern technologies in oil and gas production, petroleum refining plants in the Kingdom of Saudi Arabia.
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
Adopting modern technologies in gas production in Saudi Arabia, following up on the progress of work in factories, a close-up photo 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.
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
Youth engineering professions and works, standing confidently and looking up, Saudi laboratories and factories, working in the industrial engineering sector, a close-up photo of a smiling Saudi Gulf Arab engineer wearing a protection helmet standing with crossed hands in the factory
The concept of work in the industrial engineering sector, the quality of machines and equipment in oil extraction laboratories, modern technologies in oil and gas production, petroleum refining plants in the Kingdom of Saudi Arabia.
Preserving the aquatic environment, petrochemical industries and projects in Saudi Arabia, a ship that floats and cleans seawater from oil leaks, petroleum factories and laboratories in the Kingdom, getting rid of dangerous chemical solutions in the seas
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
Saudi professions and jobs, following up on the progress of work in factories, a close-up photo from the back of a Saudi Gulf Arab engineer wearing a helmet and a protective vest standing between pipelines at sunset, the concept of gas production in the Kingdom of Saudi Arabia, background of an oil refining plant
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
Saudi laboratories and factories, work 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
Follow up the progress of work in factories and plants, a group of Saudi Arabian Gulf engineers working in an oil and gas refining plant, working in the field of petrochemical industries and projects, steel pipelines and cables, the concept of gas productivity in the Kingdom of Saudi Arabia
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
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
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 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, modern technologies in oil and gas production.
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.
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.
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
Saudi laboratories and factories, work 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
Following up on the progress of work in factories, a picture from the back of a Saudi Gulf Arab engineer wearing a helmet and a protective vest working in the petroleum industry, the interior of a large industrial building equipped with pipelines for gas production in Saudi Arabia, heavy equipment and tools, the concept of engineering and industry
Steel Pipes and Cables, Oil and Gas Refinery Plant in Industrial Area, Factories and Plants in Saudi Arabia, Large and Huge Warehouses, Industrial Engineering and Equipment, Petrochemical Industries and Projects
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
Steel pipelines and cables, gas productivity concept in Saudi Arabia, monitoring the progress of work in factories and plants, a group of Saudi Arabian Gulf engineers working in an oil and gas refining plant, working in the field of petrochemical industries and projects
Saudi professions and jobs, following up on the progress of work in factories, a close-up photo from the back of a Saudi Gulf Arab engineer wearing a helmet and a protective vest standing between pipelines at sunset, the concept of gas production in the Kingdom of Saudi Arabia, background of an oil refining plant
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
Factories and plants in Saudi Arabia, huge and large warehouses, industrial engineering and equipment, petrochemical industries and projects, steel pipelines and cables, oil and gas refining plant in the industrial area
Supervising 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 smiling Saudi Arabian Gulf engineer wearing a protection helmet standing with crossed hands, black background
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.
Extracting and producing 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 dress standing in a desert area at sunset, background of the oil refining plant
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 dress, following the progress of the factory’s work, Saudi professions and jobs, the background of the oil refinery.
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
Monitoring the progress of work in factories and laboratories, the concept of gas productivity in the Kingdom of Saudi Arabia, Saudi professions and jobs, a close-up photo from the back of a Saudi Gulf Arab engineer wearing a helmet and a protective vest standing between pipelines at sunset, the background of an oil refining plant
Using modern and advanced devices and technologies in the engineering fields. An Arab Gulf Saudi industrial engineer in an iron factory wearing a helmet and work protection jacket. Verifying the quality of production of iron bars via a laptop computer. The concept of engineering and industry.
Youth engineering works and professions, work in the industrial engineering sector, a close-up photo of a Saudi Gulf Arab engineer wearing a protection helmet repairing equipment and machines in the factory, Saudi laboratories and factories.
Petroleum factories and plants in the Kingdom, getting rid of dangerous chemical solutions in the seas, a ship that floats and cleans up oil leaks from seawater, petrochemical industries and projects in Saudi Arabia, preserving the aquatic environment
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
Monitoring the progress of work in factories, the concept of gas productivity in the Kingdom of Saudi Arabia, Saudi jobs and professions, a close-up photo from the back of a Saudi Gulf Arab engineer wearing a helmet and a protective vest standing between pipelines at sunset, the background of an 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
Oil refinery factories in the Kingdom of Saudi Arabia, the concept of work in the industrial engineering sector, the quality of machinery and equipment in oil extraction factories, modern technologies in oil and gas production.
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
Saudi laboratories and factories, work 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
Petrochemical industries and projects, huge and large warehouses, engineering and industrial equipment, factories and laboratories in the Kingdom of Saudi Arabia, oil and gas refining plant in the middle of the sea, Dukhan refinery laboratories.
Working in the field of petrochemical industries and projects, steel pipelines and cables, the concept of gas productivity in the Kingdom of Saudi Arabia, following up on the progress of work in factories and plants, a group of Saudi Gulf Arab engineers working in an oil and gas refining plant
The use of modern and advanced devices and technologies in the engineering fields, the concept of engineering and industry, checking the quality of production of iron bars via a laptop, a Saudi Arabian Gulf industrial engineer in the iron factory wearing a helmet and work protection jacket.
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
Efficiency of production and manufacturing and achieving the industrial revolution, adopting modern techniques and technology in engineering, a close-up photo of a Saudi-Gulf Arab industrial engineer wearing a protective jacket and helmet following the progress of the factory’s work using a tablet, Saudi professions and jobs, factory background
The use of 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.
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
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
Monitoring the progress of work in factories, the concept of gas productivity in the Kingdom of Saudi Arabia, Saudi jobs and professions, a close-up photo from the back of a Saudi Gulf Arab engineer wearing a helmet and a protective vest standing between pipelines at sunset, the background of an oil refining factory
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
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
Managing and studying engineering projects, introducing women into the field of industrial engineering, a close-up portrait of a Saudi Gulf Arab girl wearing a hijab and wearing a yellow helmet looking at the camera with a smile, Saudi national development projects, taking protection measures in work sites, white background
PNG
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.
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
Oil refineries in Saudi Arabia, quality of machinery and equipment in oil extraction plants, use of modern technologies in oil and gas production, concept of work in the industrial engineering sector
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
Oil refinery factories in the Kingdom of Saudi Arabia, the concept of work in the industrial engineering sector, the quality of machinery and equipment in oil extraction factories, modern technologies in oil and gas 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.
A Saudi Arabian Gulf engineer and supervisor wearing a helmet and protective jacket for work in the iron factory, checking the quality of the iron produced, the concept of engineering and industry
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