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Large and huge warehouses and tanks, lighting towers and metal structures at sunset, the concept of petroleum engineering in the Gulf countries, oil and gas refineries, petrochemical industries and projects, the renaissance of the Saudi national economy, oil factories and laboratories in the Kingdom of Saudi Arabia
Oil factories in Saudi Arabia, quality of oil production plants and equipment, huge illuminated industrial facilities, oil and gas refinery, petrochemical projects contributing to the renaissance of the Saudi national economy, metal and chemical industries, a sky full of stars
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
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
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
Fuel factories and mines in the Kingdom of Saudi Arabia, large and huge warehouses and tanks, metal towers and 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 National Economy Revival, Large and Huge Storage Tanks, Towers and Metal Structures in Desert Lands, Oil and Gas Refineries, Petrochemical Industries and Projects, Petroleum Engineering Concept in Gulf Countries, Fuel Factories and Mines in Saudi Arabia
Oil refineries in 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
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
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
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
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
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
The concept of petroleum engineering in the Gulf countries, the renaissance of the Saudi national economy, oil and gas refineries, petrochemical industries and projects, towers and metal structures in desert lands.
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
Fuel factories and mines in the Kingdom of Saudi Arabia, large and huge warehouses and tanks, metal towers and 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.
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 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, large and huge warehouses and tanks, towers and metal structures in desert lands
Achieving the industrial revolution, adopting modern techniques and technology in engineering, a picture from the back of a Saudi Arabian Gulf engineer wearing a protective helmet inspecting oil and gas equipment in the factory, Saudi professions and jobs, quality of production and manufacturing
Giant industrial engineering and equipment, oil and gas refinery in industrial area, steel pipelines and cables, petrochemical industries and projects, large industrial complex with tall smoke chimneys in Saudi Arabia, huge and large warehouses
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
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 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, pipelines and steel cables.
Oil factories and plants in the Kingdom of Saudi Arabia, petrochemical projects contributing to the renaissance of the Saudi national economy, oil and gas refinery, the concept of petroleum engineering in the Gulf States, lighting towers and metal structures at sunset, large and huge warehouses and tanks
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
Factories and plants in Saudi Arabia, a large oil refinery equipped with complex machines, petrochemical industries and projects, oil and gas refining plant in the industrial area, huge and large warehouses, steel pipelines and cables, industrial engineering and equipment
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.
Towers and metal structures in desert lands, large and huge storage 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, fuel factories and mines in the Kingdom of Saudi Arabia
Petroleum engineering concept in Gulf countries, lighting towers and structures at night, oil factories and plants in Saudi Arabia, 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
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 at sunset, large and huge warehouses and tanks, petrochemical industries and projects, the renaissance of the Saudi national economy
Oil and gas refinery, lighting of towers and metal structures at night, large and huge warehouses and tanks, 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 massive storage 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
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
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
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 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
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
Economic growth and progress, view of smoke from factories in the air at sunset, factories and plants in Saudi Arabia, petrochemical industries and projects, oil and gas refining plant, huge and large warehouses, industrial engineering and equipment, oil production in the Kingdom
Low angle view of industrial pipes and metal structures in a factory, factory and plant engineering in Saudi Arabia, petrochemical industries and projects, huge and large warehouses, pipelines and cables, steel equipment
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
Gas production concept in Saudi Arabia, monitoring work progress at work site, back view of two Saudi Arabian Gulf workers wearing orange protective suits and helmets, oil and gas refinery, pipelines extending from the depths of the sea to the refineries
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
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
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, oil factories and laboratories in the Kingdom of Saudi Arabia
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
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 night, oil factories and laboratories in the Kingdom of Saudi Arabia
Working in petroleum engineering, 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
The concept of gas productivity in Saudi Arabia, monitoring the progress of work in factories, a group of Saudi Gulf Arab engineers working in an oil and gas refining plant, working in the field of petrochemical industries and projects, steel pipelines and cables, metal and chemical industries
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
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
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
Metal and chemical industries, steel cables and pipelines, working in the field of petrochemical industries and projects, a group of Saudi Arabian Gulf engineers working in an oil and gas refining plant, following up on the progress of work in factories, the concept of gas productivity in Saudi Arabia
Asphalt road leading to the industrial city, factories and plants in the Kingdom of Saudi Arabia, the concept of petroleum engineering in the Arab Gulf countries, oil and gas refinery, petrochemical industries and projects, the renaissance of the Saudi national economy
Quality of oil production plants and equipment, 3D illustration of a Saudi Arabian Gulf engineer wearing traditional thobe and ghutra following up on the progress of factory work, Saudi jobs and professions, gas productivity in Saudi Arabia, white background
Follow up the progress of work in factories, the concept of gas productivity in Saudi Arabia, metal and chemical industries, steel cables and pipelines, work in the field of petrochemical industries and projects, a group of Saudi Gulf Arab engineers working in an oil and gas refining plant
Oil and gas refinery, lighting of towers and metal structures at night, large and huge warehouses and tanks, 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
Working in the field of petrochemical industries and projects, steel pipelines and cables, the concept of gas productivity in the Kingdom, monitoring the progress of work in factories and plants, a close-up image of a Saudi Arabian Gulf engineer wearing a helmet and a safety vest working in an oil and gas refining plant
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
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
Steel Pipelines and Cables, Pollution from Petroleum Production, Petrochemical Industries and Projects, Oil and Gas Refining Plant in Industrial Area, Factories and Plants in 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
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
Large and massive 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, fuel factories and mines in the Kingdom of Saudi Arabia
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
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 that extract oil wealth from the depths of the seas
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
Oil and gas refinery in the middle of sea water, petrochemical industrial projects, economic growth and progress, oil production in Saudi Arabia, view of smoke from factories in the air, engineering, equipment and huge industrial warehouses
Evaluation of the quality of oil factories in the Kingdom of Saudi Arabia, oil and gas refining plant in the industrial zone, petrochemical industries and projects, a picture from the back of a Saudi Gulf Arab engineer wearing a protective suit and a protective helmet working in the field of petroleum engineering
Factories and laboratories in the Kingdom of Saudi Arabia, petrochemical industries and projects, pipelines and steel cables, oil and gas refining plant in the industrial zone, huge and large warehouses, industrial engineering and equipment.
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
Oil refinery pipes in the Kingdom of Saudi Arabia, the use of modern technologies in the production of oils and gas, the quality of machinery and equipment for oil extraction, petroleum refineries and factories, the concept of work in the industrial engineering sector, facilities specialized in petrochemical industries.
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
Towers and metal structures in desert lands, large and huge warehouse 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, fuel factories in the Kingdom of Saudi Arabia
Pipelines and heavy steel equipment, huge drilling machines used in oil extraction, exploration for underground resources in the Kingdom of Saudi Arabia, work in the field of industrial and petroleum engineering, petrochemical industries and projects in the Kingdom, development of the Saudi economy
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
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
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 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
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
Oil and gas refineries, towers and metal structures in desert lands, large and huge storage tanks, 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
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
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
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
Lighting towers and metal structures at sunset, the concept of petroleum engineering in the Gulf countries, oil and gas refinery, petrochemical industries and projects, the renaissance of the Saudi national economy, large and huge warehouses and tanks, oil factories and laboratories in the Kingdom of Saudi Arabia
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
Supervising oil plants and factories in Saudi Arabia, back view of two Saudi Arabian Gulf workers wearing protective suits and helmets, pipelines extending from the depths of the sea to the refineries, working in the field of petroleum engineering, oil and gas refinery
Renaissance of the Saudi national economy, the concept of petroleum engineering in the Gulf countries, metal towers and structures in the desert, oil and gas refineries in the Kingdom of Saudi Arabia, large and huge warehouses and tanks, petrochemical industries and projects.
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
Work in the field of petroleum engineering, oil and gas refinery, a group of Saudi Gulf Arab workers wearing a protective suit and a protective helmet repairing machinery and equipment in oil laboratories and factories in the Kingdom of Saudi Arabia, pipelines extending from the depths of the sea to refineries.
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
A large oil refinery with complex machinery in a vast desert landscape and distant mountains, an oil and gas refinery in the industrial area, petrochemical industries and projects, huge and large warehouses, pipelines and steel cables, factories and laboratories in the Kingdom of Saudi Arabia, engineering and industrial equipment.
Lighting towers and metal structures at night, the renaissance of the Saudi national economy, oil factories and plants in the Kingdom of Saudi Arabia, oil and gas refinery, the concept of petroleum engineering in the Gulf countries, large and huge warehouses and tanks, petrochemical industries and projects
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.
Pipelines and steel cables, Petrochemical industries and projects, Oil and gas refinery in the industrial area, Factories and plants in the Kingdom of Saudi Arabia, Industrial engineering and equipment, Huge and large warehouses, View of smoke from large industrial facilities at sunset
Working in the field of petroleum engineering, close-up from the back of two Gulf engineers wearing protective suits and helmets assessing the quality of oil plants in Saudi Arabia, Oil and gas refinery plant in the industrial area, Petrochemical industries and projects
Lighting towers and metal structures at night, the renaissance of the Saudi national economy, oil factories and plants in the Kingdom of Saudi Arabia, oil and gas refinery, the concept of petroleum engineering in the Gulf countries, large and huge warehouses and tanks, petrochemical industries and projects
Adopting modern technologies in gas production in Saudi Arabia, following up on the progress of work in factories, the interior of a large industrial building equipped with a crane and pipes, heavy equipment and tools, the concept of engineering and industry
Petrochemical industries and projects, steel pipelines and cables, illustrations of oil and gas refinery plant in industrial area, factories and plants in Saudi Arabia, huge and large warehouses, industrial engineering and equipment
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
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
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
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
Snow accumulated on steel pipelines and cables, factories and plants in Saudi Arabia, oil and gas refinery in the industrial area, petrochemical industries and projects, pollution resulting from oil production in winter, huge and large warehouses, industrial engineering and equipment
Industrial station with towers and metal structures at night, 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, reliance on local national production
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
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