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, pipelines and steel cables
Development industries contributing to the renaissance of the Saudi national economy, industrial factories in the Kingdom of Saudi Arabia, smoke rising from factories and polluting the environment, large and huge warehouses and tanks, an industrial station with towers and metal structures at sunset, reliance on local national production
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
Industrial engineering and equipment, petrochemical industries and projects, steel pipelines and cables, oil and gas refining plant in the industrial area, large and huge warehouses, factories and plants in the Kingdom of Saudi Arabia
Youth jobs and professions, quality of oil production plants and equipment, use of modern techniques and technology in gas production in the Kingdom of Saudi Arabia, close-up image of a Gulf Arab man wearing a helmet and traditional dress holding a tablet in his hand and following the progress of the factory, oil refinery background
Extracting and exporting underground resources, an excavator exploring for oil amid sand dunes in desert areas, huge drilling machines, quality industrial tools and equipment, petroleum storage centers in the deserts of the Kingdom of Saudi Arabia, an oil platform for extracting oils.
Petrochemical industries and projects, oil factories and laboratories in the Kingdom of Saudi Arabia, the view of large and huge warehouses and tanks in the evening, the renaissance of the Saudi national economy, the concept of petroleum engineering in the Gulf countries, the gas refinery
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
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
Petrochemical industries and projects, pollution resulting from oil production, steel pipelines and cables, oil and gas refinery in the industrial area, factories and plants in the Kingdom of Saudi Arabia, large and huge warehouses, industrial engineering and equipment
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
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 plants in the Kingdom of Saudi Arabia
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
Large and huge warehouses, industrial engineering and equipment, petrochemical industries and projects, steel pipelines and cables, oil and gas refining plant in the industrial area, factories and plants in the Kingdom of Saudi Arabia
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
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 national economy renaissance, lighting towers and metal structures at sunset, oil factories and plants in Saudi Arabia, oil and gas refinery, petroleum engineering concept in Gulf countries, large and huge warehouses and tanks, petrochemical industries and projects
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
Towers and metal structures in the lands, the renaissance of the Saudi national economy, desert, large and huge warehouses and tanks, petrochemical industries and projects, the concept of petroleum engineering in the Gulf countries, oil and gas refineries, fuel factories and mines in the Kingdom of Saudi Arabia
Smoke rising from factories and polluting the environment, industrial plants in the Kingdom of Saudi Arabia, 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
Petrochemical industries and projects in the Kingdom, extracting 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 factories in the industrial zone in Saudi Arabia, Saudi economic growth and progress
Saudi National Economy Revival, Towers and Metal Structures in Desert Lands, Large and Huge Warehouses and Tanks, Petrochemical Industries and Projects, Petroleum Engineering Concept in Gulf Countries, Oil and Gas Refineries, Fuel Factories and Mines in Saudi Arabia
Quality tools and equipment for petroleum industry and storage, large drilling machines, extraction and export of underground resources, oil refinery for extracting oils, drilling rig for oil exploration in the middle of the sea with helipad
Quality of oil production plants and equipment, use of modern techniques and technology in gas production in the Kingdom of Saudi Arabia, back view 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
Steel pipelines and cables, monitoring the progress of work in factories and plants, close-up of a Saudi Arabian Gulf engineer holding a laptop in his hand 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
Oil factories and plants in Saudi Arabia, Oil and gas refinery, Petroleum engineering concept in Gulf countries, Large and huge warehouses and tanks, Towers and metal structures on the beach port, Petrochemical industries and 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
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
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
Concept of work in the industrial engineering sector, close-up from the back of a Saudi Arabian Gulf engineer wearing a helmet and a safety vest supervising work via a tablet, oil refineries in Saudi Arabia, modern technologies in oil and gas production
Petrochemical industries and projects, an oil and gas platform for extracting oils, 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
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 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.
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
Monitoring the progress of factory operations at sunset, youth jobs and professions, adoption of modern techniques and technology in gas production in the Kingdom of Saudi Arabia, side view of an engineer wearing a protective jacket and helmet holding a tablet in his hand, quality of oil production plants and equipment
Towers and metal structures in desert lands, oil and gas refineries, petrochemical industries and projects, the concept of petroleum engineering in the Gulf countries, the renaissance of the Saudi national economy, large and huge warehouses and tanks, fuel factories and mines 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 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
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
Petrochemical industrial projects, monitoring the progress of the factory, two Saudi Arabian Gulf engineers wearing helmets and protective vests reviewing the plans, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, quality of oil production plants and equipment in the middle of the desert
Large industrial facilities, quality of laboratories and equipment for producing underground resources, oil storage areas in the Kingdom of Saudi Arabia, petrochemical projects contributing to the renaissance of the Saudi national economy, metal and chemical industries in desert areas, picture of oil and fuel storage
Large and massive warehouses and tanks, towers and metal structures in desert lands, oil and gas refineries, petrochemical industries and projects, the concept of petroleum engineering in the Gulf countries, the renaissance of the Saudi national economy, a top view of fuel factories and mines in the Kingdom of Saudi Arabia
Cartoon drawings of a Saudi-Gulf Arab engineer wearing a protective jacket and helmet, monitoring the progress of factory work, the quality of oil production laboratories and equipment, Saudi professions and jobs, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, background of the oil refinery
Quality of oil production plants and equipment in the middle of the desert, petrochemical industrial projects, monitoring the progress of the factory, two Saudi Arabian Gulf engineers wearing helmets and protective vests reviewing the plans, adopting modern techniques and technology in gas production 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, engineering and urban development of oil refineries 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
Petrochemical industries and projects in the Kingdom, extracting 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 factories in the industrial zone in Saudi Arabia, Saudi economic growth and progress
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.
The concept of petroleum engineering in the Gulf countries, oil refinery, petrochemical industries and projects, the renaissance of the Saudi national economy, large and huge warehouses and tanks, lighting of metal structures, factories and plants in the Kingdom of Saudi Arabia
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
Oil and gas refinery, petrochemical projects contributing to the renaissance of the Saudi national economy, oil factories and plants in Saudi Arabia, lighting towers and metal structures at night, pollution resulting from oil production
Getting rid of dangerous chemical solutions in the seas, petroleum factories and laboratories in the Kingdom, a ship that floats and cleans oil leaks from seawater, petrochemical industries and projects in Saudi Arabia, preserving the aquatic environment
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 amidst forests and nature, steel pipelines and cables, petrochemical industries and projects, pollution resulting from oil production, factories and plants in Saudi Arabia, huge and large warehouses, industrial engineering and equipment
Saudi national economy renaissance, lighting towers and metal structures at sunset, oil factories and plants in Saudi Arabia, oil and gas refinery, petroleum engineering concept in Gulf countries, large and huge warehouses and tanks, petrochemical industries and projects
Large and massive warehouses and tanks, towers and metal structures in desert lands, oil and gas refineries, petrochemical industries and projects, the concept of petroleum engineering in the Gulf countries, the renaissance of the Saudi national economy, fuel factories and mines in the Kingdom of Saudi Arabia
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
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
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, oil refinery in the middle of the desert
Development industries contributing to the renaissance of the Saudi national economy, industrial factories in the Kingdom of Saudi Arabia, smoke rising from factories and polluting the environment, large and huge warehouses and tanks, an industrial station with towers and metal structures at sunset, reliance on local national production
The concept of gas production 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 plant, following up and monitoring the progress of work in the factories
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, pipelines and steel cables
Petrochemical industries and projects, work in the field of petroleum engineering, a picture from the back of a Gulf engineer wearing a protective suit and a protective helmet in the Kingdom of Saudi Arabia, an oil and gas refining plant in the industrial area
Automated production line in assembling and installing car parts, using advanced devices in the production and manufacturing of modern cars, relying on automated operations of robot arms in the factories and plants of the Kingdom of Saudi Arabia, Saudi Vision 2030, achieving the industrial revolution
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
Petrochemical projects contributing to the renaissance of the Saudi national economy, oil factories and factories in the Kingdom of Saudi Arabia, gas refinery, the concept of petroleum engineering in the Gulf countries, lighting towers and metal structures at sunset, large and huge warehouses and tanks.
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
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
Extraction and export of underground resources, oil refinery for extracting oil, drilling rig for oil exploration in the middle of the sea in the Kingdom of Saudi Arabia, huge drilling machines, quality of tools and equipment for the petroleum industry and storage
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
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
Automation of production lines in the Kingdom's factories and plants, integration of modern technology and techniques in the field of mechanics, achieving the industrial revolution, Saudi Vision 2030, reliance on machine arms in repair and welding operations, use of advanced robots in the manufacture of cars and vehicles
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
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
Large and huge warehouses and tanks, a view from a circular window of the lighting of towers and metal structures at sunset, the concept of petroleum engineering in the Gulf countries, oil and gas refineries, petrochemical industries and projects, oil factories and laboratories in the Kingdom of Saudi Arabia
A future Saudi vision 2030, relying on automation in the laboratories and factories of the Kingdom of Saudi Arabia, advanced workshops in the production and manufacturing of modern cars, artificial intelligence science and technology in the engineering field, achieving the industrial revolution.
Factories and laboratories of the Kingdom of Saudi Arabia, oil and gas refining plant, Dukhan refinery laboratories, petrochemical industries and projects, huge and large warehouses, industrial engineering and equipment, white background
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
Using advanced robots in the manufacture of cars and vehicles, automation of production lines in the Kingdom’s factories and plants, integrating modern technology and techniques in the field of mechanics, achieving the industrial revolution, Saudi Vision 2030, relying on machine arms in repair and welding operations
The view of the sky at dawn, oil factories and factories in the Kingdom of Saudi Arabia, oil and gas refineries, the concept of petroleum engineering in the Gulf countries, lighting towers and metal structures, large and huge warehouses and tanks, petrochemical industries and projects, the renaissance of the Saudi national economy
Development and growth of the Saudi engineering sector, supervision of oil refining in refineries in the Kingdom of Saudi Arabia, a young Saudi Gulf Arab engineer follows the work of pipes and heavy equipment in a gas and oil production plant at sunset
Huge drilling machines used in petroleum extraction, exploration for underground resources in the Kingdom of Saudi Arabia, development of the Saudi economy, petrochemical industries and projects in the Kingdom, pipelines and heavy steel equipment, work in the field of industrial and petroleum engineering.
Integrating modern technology and techniques in the field of mechanics, using advanced robots in the manufacture of cars and vehicles, automating production lines in the Kingdom’s factories and plants, achieving the industrial revolution, Saudi Vision 2030, relying on machine arms in repair and welding operations
Pipelines and steel cables, Saudi national economy renaissance, aerial view of oil and gas refinery, concept of petroleum engineering in the Gulf countries, oil factories and plants in the Kingdom of Saudi Arabia, petrochemical industries and projects, large and huge warehouses and tanks
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
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, oil and gas refinery
Modern techniques and technology in oil and gas production in the Kingdom of Saudi Arabia. Rear view of a Saudi businessman wearing a thobe and wearing a ghutra and agal watching the progress of factory work, large buildings with many pipes and steam rising in the sunlight, blue sky with clouds, Saudi professions and jobs in the background of an oil refinery
Petrochemical industries and projects, the concept of petroleum engineering in the Gulf countries, the gas refinery, 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
Drilling and prospecting for underground resources in the Kingdom of Saudi Arabia, petrochemical industries and projects in the Kingdom, pipelines and heavy steel equipment, huge drilling machines used in extracting petroleum, development of the Saudi economy, work in the field of industrial and petroleum engineering.
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
Petrochemical industries and projects, pipelines and steel cables, huge and large warehouses, oil and gas refining plant in the industrial zone, factories and laboratories in the Kingdom of Saudi Arabia, industrial engineering and 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, metal towers and structures in desert lands.
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
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
Oil and gas refinery, petrochemical industries and projects, renaissance of the Saudi national economy, large and huge warehouses and tanks, factories and plants in the Kingdom of Saudi Arabia, the concept of petroleum engineering in the Arab Gulf countries
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
Fuel factories and mines in Saudi Arabia, large and huge warehouses and tanks, towers and metal structures in desert lands, oil and gas refineries, petrochemical industries and projects, the concept of petroleum engineering in the Gulf countries, the renaissance of the Saudi national economy
Saudi Vision 2030, using advanced devices in the production and manufacture of modern cars, relying on automated operations of robot arms in the Kingdom’s factories and plants, achieving the industrial revolution, automated production line in assembling and installing car parts
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
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
Using advanced devices in the production and manufacture of modern cars, relying on automated operations of robot arms in the Kingdom’s factories and plants, Saudi Vision 2030, achieving the industrial revolution, automated production line in assembling and installing car parts
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.
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 plants in the Kingdom of Saudi Arabia
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.