Oil refinery on soft golden sands, adoption of modern techniques and technology in gas production, petrochemical industries and projects, huge and modern tools and equipment, engineering and urban development of oil refineries 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
Extracting underground resources from the sea, huge machines and heavy equipment used in petroleum exploration, work in the field of petroleum engineering, petrochemical industries and projects in the Kingdom, oil and gas refining factories in the industrial zone in Saudi Arabia, Saudi economic growth and progress
Metal towers and structures in desert lands, oil and gas refineries, fuel factories and mines in the Kingdom of Saudi Arabia, large and huge warehouses and tanks, petrochemical industries and projects, the concept of petroleum engineering in the Gulf countries, the renaissance of the Saudi national economy.
Steel Pipelines and Cables, Petrochemical Industries and Projects, Pollution from Oil Production, Oil and Gas Refinery in Industrial Area, Factories and Plants in Saudi Arabia, Large and Huge Warehouses, Industrial Engineering and Equipment
Oil and gas refinery in industrial area, petrochemical industries and projects, petroleum engineering work, close up of gulf engineer wearing protective suit and helmet assessing quality of oil plants in saudi arabia
Industrial plants in the Kingdom of Saudi Arabia, smoke rising from factories and polluting the environment, development industries contributing to the renaissance of the Saudi national economy, large and huge warehouses and tanks, an industrial station with towers and metal structures at sunset, reliance on local national production
Engineering jobs and professions, close-up of a Saudi Arabian Gulf industrial engineer standing straight and looking at the camera with firm and serious gestures, supervising work inside a factory, oil refineries and plants in the United Arab Emirates
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
Platforms for extracting oil and oils in the middle of desert lands, quality of production plants and equipment, adoption of modern techniques and technology in oil and gas production in the Kingdom of Saudi Arabia, extraction and export of underground resources
Oil and gas refinery, lighting towers and metal structures, oil factories and plants in the Kingdom of Saudi Arabia, the concept of petroleum engineering in the Gulf countries, petrochemical industries and projects, the renaissance of the Saudi national economy, large and huge warehouses and tanks
Extracting underground resources from the sea, huge machines and heavy equipment used in petroleum exploration, work in the field of petroleum engineering, petrochemical industries and projects in the Kingdom, oil and gas refining factories in the industrial zone in Saudi Arabia, Saudi economic growth and progress
Huge machinery and heavy equipment used in petroleum exploration, work in the field of petroleum engineering, oil and gas refining plants in the industrial zone in Saudi Arabia, extracting underground resources from the sea, petrochemical industries and projects in the Kingdom, Saudi economic growth and progress
Huge and large warehouses, petrochemical industries and projects, steel pipelines and cables, a large oil refinery equipped with complex machines in a vast desert landscape and distant mountains, factories and plants in Saudi Arabia, oil and gas refining plant in the industrial area
Monitoring the progress of the factory, petrochemical industrial projects, a side view of a Saudi Arabian Gulf engineer wearing a protective helmet, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia
Oil and gas refineries, petrochemical industries and projects, petroleum engineering concept in the Gulf countries, renaissance of the Saudi national economy, towers and metal structures in desert lands
Engineering and urban development of oil refineries in the Kingdom of Saudi Arabia, oil refinery on soft golden sands, harsh and dry climate, adoption of modern techniques and technology in oil and gas production, petrochemical industries and projects, huge and modern tools and equipment
Oil factories and factories in the Kingdom of Saudi Arabia, the view of large and huge warehouses and tanks at sunset, the renaissance of the Saudi national economy, the concept of petroleum engineering in the Gulf countries, petrochemical industries and projects, gas refinery
Huge and large warehouses, petrochemical industries and projects, steel pipelines and cables, a large oil refinery equipped with complex machines in a vast desert landscape and distant mountains, factories and plants in Saudi Arabia, oil and gas refining plant in the industrial area
View of smoke from factories in the air at sunset, oil production in the Kingdom, factories and plants in Saudi Arabia, petrochemical industries and projects, economic growth and progress, oil and gas refinery, huge and large warehouses, industrial engineering and equipment
An oil and gas platform for extracting oils, petrochemical industries and projects, the renaissance of the Saudi national economy, an excavator performing exploration, the quality of machinery and equipment in factories that extract oil wealth from the depths of the sea, the concept of petroleum engineering
Adoption of modern techniques and technology in oil and gas production, soft golden sand dunes, engineering and urban development of oil refineries, oil refinery in the desert of the Kingdom of Saudi Arabia, huge and modern tools and equipment
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
Follow up the progress of work in factories, the concept of gas production in the Kingdom of Saudi Arabia, a picture from the back of a Saudi Arabian Gulf man wearing traditional dress and a shemagh standing in an oil and gas refining plant, working in the field of petrochemical industries and projects, steel pipelines and cables
Renaissance of the Saudi national economy, oil factories and laboratories in the Kingdom of Saudi Arabia, oil and gas refineries, the concept of petroleum engineering in the Gulf countries, lighting towers and metal structures at sunset, large and huge warehouses and tanks, petrochemical industries and projects
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.
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.
Oil and gas refineries, petrochemical industries and projects, the concept of petroleum engineering in the Gulf countries, the renaissance of the Saudi national economy, towers and metal structures in desert lands, large and huge warehouses and tanks, fuel factories and mines in the Kingdom of Saudi Arabia
The concept of work in the industrial engineering sector, the quality of machinery and equipment in oil extraction plants, modern technologies in the production of oils and gas, oil refineries in the Kingdom of Saudi Arabia, a picture of a fuel plant from the inside, the development and progress in the technologies used in manufacturing processes
Environmental pollution from oil and gas refinery smoke, petroleum engineering concept in the Gulf States, oil factories and plants in the Kingdom of Saudi Arabia, petrochemical development industries contributing to the renaissance of the Saudi national economy, large and huge warehouses and tanks, sky background at sunset
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 factories and factories in the Kingdom of Saudi Arabia, lighting towers and metal structures at night, the concept of petroleum engineering in the Gulf countries, oil and gas refineries, petrochemical industries and projects, the renaissance of the Saudi national economy, large and huge warehouses and tanks
Pipelines and steel cables, a large oil refinery equipped with complex machinery in a vast desert landscape and distant mountains, industrial engineering and equipment, petrochemical industries and projects, factories and laboratories in the Kingdom of Saudi Arabia, an oil and gas refining plant in the industrial area, huge and large warehouses.
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 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
Oil and gas refineries, petrochemical industries and projects, the concept of petroleum engineering in the Gulf countries, the renaissance of the Saudi national economy, towers and metal structures in desert lands, large and huge warehouses and tanks, fuel factories and mines in the Kingdom of Saudi Arabia
Quality of oil production plants and equipment, Use of modern techniques and technology in gas production in Saudi Arabia, Close-up image from the side of an Arab Gulf man wearing a helmet and a protective jacket holding a tablet in his hand and following the progress of the factory work, Youth professions and jobs, Oil refinery background
Petrochemical industries and projects, oil and gas refineries, the concept of petroleum engineering in the Gulf countries, the renaissance of the Saudi national economy, towers and metal structures in desert lands, large and huge warehouses and tanks, fuel factories and plants in the Kingdom of Saudi Arabia
Engineering and urban development of oil refineries in the Kingdom of Saudi Arabia, oil refinery on soft golden sands, harsh and dry climate, adoption of modern techniques and technology in oil and gas production, petrochemical industries and projects, huge and modern tools and equipment
The concept of petroleum engineering, oil and gas refinery, petrochemical industries and projects, the renaissance of the Saudi national economy, oil factories in the Kingdom of Saudi Arabia, the quality of machinery and equipment in factories that extract oil wealth from the depths of the sea, the pipeline extending from the sea to refineries
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
Metal and chemical industries, oil factories in Saudi Arabia, quality of petroleum production plants and equipment, large illuminated industrial facilities, oil and gas refinery, petrochemical projects contributing to the renaissance of the Saudi national economy
The concept of gas productivity in the Kingdom of Saudi Arabia, following up on the progress of work in factories and laboratories, a group of Saudi Gulf Arab engineers working in an oil and gas refining plant, working in the field of petrochemical industries and projects, pipelines and steel cables.
Petrochemical industries and projects in the Kingdom, Extraction of underground resources from the sea, Huge machines and heavy equipment used in oil exploration, Work in the field of petroleum engineering, Oil and gas refining plants in the industrial zone in Saudi Arabia, Saudi economic growth and progress
Industrial engineering and equipment, factories and plants in Saudi Arabia, oil and gas refining plant in the industrial area, steel pipelines and cables, petrochemical industries and projects, pollution resulting from oil production, large and huge warehouses
Oil refineries in Saudi Arabia, quality of machinery and equipment in oil extraction plants, modern technologies in oil and gas production, concept of work in the industrial engineering sector
Oil and gas refinery in industrial area, steel pipelines and cables, petrochemical industries and projects, pollution from oil production, factories and plants in Saudi Arabia, large and huge warehouses, industrial engineering and equipment
Use of modern techniques and technology in gas production in Saudi Arabia, a picture from the back of a Saudi Arabian Gulf man wearing a helmet and a protective vest following the progress of factory work, engineering professions and jobs, oil refinery background, quality of oil production plants and equipment
Supervising oil refining in refineries in the Kingdom of Saudi Arabia, following up on the progress of work in factories and laboratories, a picture from the side, a Saudi Arabian Gulf engineer wearing a protective helmet standing between pipes and heavy equipment, working in facilities specialized in petrochemical industries
Oil refineries in Saudi Arabia, concept of work in industrial engineering sector, silhouette of a Saudi Arabian Gulf engineer wearing helmet and safety vest supervising the work of machines, quality of equipment in oil extraction plants, modern technologies in oil and gas production
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
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
Concept of extraction and export of underground resources, quality of tools and equipment for petroleum industry and storage, oil platform for extracting oil, close-up of a drilling rig drilling for oil in the middle of the sea at night, huge drilling machines
Lighting towers and metal structures in the evening, petrochemical industries and projects, oil and gas refinery, concept of petroleum engineering in the Gulf countries, renaissance of the Saudi national economy, oil factories and plants in the Kingdom of Saudi Arabia, large and large warehouses and tanks
Monitoring the progress of work in factories and plants, two Saudi Arabian Gulf engineers wearing protective vests and helmets 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 Saudi Arabia
Saudi jobs and professions, concept of gas production in Saudi Arabia, close-up from the back of a Saudi Arabian Gulf man wearing a helmet, goggles and a safety vest following the factory workflow, background of oil refinery and oil refining
Quality of machinery and equipment in oil extraction plants from deep sea, oil factories in Saudi Arabia, oil and gas refinery, petrochemical industries and projects, petroleum engineering concept, renaissance of the Saudi national economy
Petrochemical industries and projects, engineering and urban development of oil refineries in the Kingdom of Saudi Arabia, oil refinery on soft golden sands, adoption of modern techniques and technology in gas production, huge and modern tools and equipment
Supervising oil plants and factories in Saudi Arabia, back view of a Saudi Arabian Gulf worker wearing a protective suit and helmet, pipelines extending from the depths of the sea to the refineries, working in the field of petroleum engineering, oil and gas refinery
Pipelines and heavy steel equipment, huge drilling machines used in petroleum extraction, exploration for underground resources in the Kingdom of Saudi Arabia, petrochemical industries and projects in the Kingdom, development of the Saudi economy, work in the field of industrial and petroleum engineering
An oil and gas platform for extracting oils, petrochemical industries and projects, the renaissance of the Saudi national economy, an excavator performing exploration, the quality of machinery and equipment in factories that extract oil wealth from the depths of the sea, the concept of petroleum engineering
Pipelines extending from the depths of the sea to the refineries, working in the field of petroleum engineering, oil and gas refinery, supervising oil plants and factories in the Kingdom of Saudi Arabia, a picture from the back of two Saudi Arabian Gulf workers wearing protective suits and protective helmets
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
Following the progress of work in factories and plants, a group of Saudi Arabian Gulf engineers standing with crossed hands and looking at the camera with gestures of happiness, working in an oil and gas refining plant, working in the field of petrochemical industries and projects, the concept of gas productivity in the Kingdom of Saudi Arabia
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
Large and massive warehouses and tanks, towers and metal structures at sunset, petroleum engineering concept in the Gulf countries, oil and gas refinery, petrochemical industries and projects, oil factories and plants in the Kingdom of Saudi Arabia
Drilling rig drilling for oil in the desert at sunset, import and export of underground resources, quality of tools and equipment for the manufacture and storage of petroleum, cranes and huge drilling machines for extracting oil
Saudi Arabia's factories and laboratories, a shadow image of an oil and gas refining factory at sunset, industries and Petrochemical projects, huge and large warehouses, industrial engineering and equipment
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 side of a Saudi-Gulf Arab businessman wearing a traditional dress, monitoring the progress of the factory’s work, engineering professions and jobs, oil refinery background
Renaissance of the Saudi national economy, the concept of petroleum engineering in the Gulf countries, towers and metal structures in the desert, oil and gas refinery in the Kingdom of Saudi Arabia, large and huge warehouses and tanks, petrochemical industries and projects
Oil refinery factories in the Kingdom of Saudi Arabia, the quality of machinery and equipment in oil extraction factories, the use of modern technologies in the production of oils and gas, the concept of work in the industrial engineering sector
Extracting underground resources from the sea, oil and gas refineries in the industrial zone in Saudi Arabia, petrochemical industries and projects in the Kingdom, huge machines and heavy equipment used in oil exploration, working in the field of petroleum engineering, Saudi economic growth and progress
Top view of an oil refinery in the desert of Saudi Arabia, harsh and dry climate, huge and modern tools and equipment, adoption of modern techniques and technology in oil and gas production, soft golden sand dunes, engineering and urban development of oil refineries
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
Oil and gas refineries in the industrial zone in Saudi Arabia, Extracting underground resources from the sea, Petrochemical industries and projects in the Kingdom, Huge machines and heavy equipment used in oil exploration, Working in the field of petroleum engineering, Saudi economic growth and progress
Adopting modern techniques and technology in engineering, a close-up of two veiled Saudi Arabian Gulf female engineers inspecting oil and gas equipment in a factory, Saudi professions and jobs, quality of production and manufacturing, achieving the industrial revolution
Oil and gas refinery, supervising oil plants and factories in Saudi Arabia, back view of two Saudi Arabian Gulf workers wearing orange protective suits and helmets, pipelines extending from the depths of the sea to the refineries, working in the field of petroleum engineering
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
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
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
The concept of petroleum engineering in the Gulf countries, petrochemical industries and projects, gas refinery, the renaissance of the Saudi national economy, the view of large and huge warehouses and tanks, oil factories and laboratories in the Kingdom of Saudi Arabia
Oil and gas refinery, petrochemical projects contributing to the renaissance of the Saudi national economy, metal and chemical industries, oil factories in the Kingdom of Saudi Arabia, quality of oil production plants and equipment, large illuminated industrial facilities
The concept of petroleum engineering in the Gulf countries, oil and gas refineries, petrochemical industries and projects, the renaissance of the Saudi national economy, the view of large and huge warehouses and tanks at sunset, oil factories and laboratories in the Kingdom of Saudi Arabia
Lighting of towers and structures at night, oil factories and plants in Saudi Arabia, the concept of petroleum engineering in the Gulf States, petrochemical industries contributing to the renaissance of the Saudi national economy, huge warehouses and tanks, background of the sky covered with black clouds on a stormy night
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
Monitoring the progress of the factory, the quality of oil production plants and equipment, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, petrochemical industrial projects, a close-up of a group of Saudi Gulf Arab engineers wearing a protective helmet and holding a tablet in his hand
Petrochemical industries and projects, pipelines and steel cables, oil and gas refining plant in the industrial zone, factories and laboratories in the Kingdom of Saudi Arabia, huge and large warehouses, industrial engineering and equipment.
Petrochemical industries and projects, working in petroleum engineering, close-up from the back of a Gulf engineer wearing a protective suit and helmet assessing the quality of oil plants in Saudi Arabia, oil and gas refining plant in the industrial area
Oil factories and plants in the Kingdom of Saudi Arabia, the renaissance of the Saudi national economy, oil and gas refining, the concept of petroleum engineering in the Gulf States, large and huge warehouses and tanks, petrochemical industries and projects
Extracting underground resources in the desert, huge machines and heavy equipment used in drilling, working in the field of petroleum engineering, petrochemical industries and projects in the Kingdom, oil and gas refining plants in the industrial zone in Saudi Arabia, Saudi economic growth and progress
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
Petroleum engineering concept, oil and gas refinery, petrochemical industries and projects, renaissance of the Saudi national economy, oil factories in the Kingdom of Saudi Arabia, quality of machinery and equipment in factories extracting oil wealth from the depths of the seas
Smoke from factories in the Saudi desert, oil refinery on soft golden sands, harsh and dry climate, adoption of modern techniques and technology in oil and gas production, petrochemical industries and projects, engineering and urban development of oil refineries, huge and modern tools and equipment
Steel pipelines and cables, quality of petroleum production plants and equipment, large industrial facilities, petrochemical projects contributing to the renaissance of the Saudi national economy, oil factories in the Kingdom of Saudi Arabia, metals and chemicals industries
Huge drilling machines used in petroleum extraction, exploration for underground resources in the Kingdom of Saudi Arabia, petrochemical industries and projects in the Kingdom, pipelines and heavy steel equipment, development of the Saudi economy, work in the field of industrial and petroleum engineering
Saudi Arabian Gulf engineer prospecting for underground resources in Saudi Arabia, extracting and exporting underground resources, oil refinery for extracting oils, drilling rig prospecting for oil in the middle of the sea with ships and boats, huge drilling machines, quality of tools and equipment for the petroleum industry and storage
Narrow path between industrial pipes lit by the environment, engineering towards and laboratories in the Kingdom of Saudi Arabia, industries and petrochemicals, large and spacious warehouses, pipelines and cables resistant to the environment, Narrow path between industrial pipes lit by the environment, engineering towards and industrial laboratories in the Kingdom of Saudi Arabia, petrochemicals and projects, large and spacious warehouses, pipelines and cables resistant to rust
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 plants in Saudi Arabia at sunset, industrial engineering and equipment, huge and large warehouses, petrochemical industries and projects, oil production in the Kingdom, economic growth and progress, refinery smoke factories, oil and gas refining plant
Adoption of modern techniques and technology in oil and gas production, oil mines on soft golden sands, engineering and urban development of oil refineries in the Kingdom of Saudi Arabia, harsh and dry climate, petrochemical industries and projects, huge and modern tools and equipment
Petrochemical industries and projects, pipelines and steel cables, illustrations of an oil and gas refining plant, factories and laboratories in the Kingdom of Saudi Arabia, huge and large warehouses, industrial cityscape
Oil and gas refinery, petrochemical industries and projects, the concept of petroleum engineering in the Gulf countries, the renaissance of the Saudi national economy, lighting towers and metal structures at sunset, large and huge warehouses and tanks, oil factories and laboratories in the Kingdom of Saudi Arabia
Achieving the industrial revolution, adopting modern techniques and technology in engineering, a close-up picture of a Saudi-Gulf Arab engineer wearing glasses and a safety helmet inspecting oil and gas equipment in the factory, Saudi professions and jobs, quality of production and manufacturing
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.
Concept of work in the industrial engineering sector, oil refineries in Saudi Arabia, quality of machinery and equipment in oil extraction plants, close-up of the NAFC refinery illuminated at night, use of modern technologies in oil and gas production
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 picture from the back of a Saudi Arabian Gulf engineer wearing a jacket and a protective helmet working in an oil and gas refining plant
Petrochemical industries and projects, working in the field of petroleum engineering, a picture from the back of a group of Gulf engineers wearing protective suits and helmets assessing the quality of oil factories in the Kingdom of Saudi Arabia, an oil and gas refining plant in the industrial area