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
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 and gas refinery plant in industrial area, petrochemical industries and projects, group of gulf engineers wearing protective suits and helmets working in petroleum engineering field, quality assessment of oil plants in saudi arabia
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
Lighting of 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
Fuel factories 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.
Renaissance of the Saudi national economy, quality of machinery and equipment in the factories extracting oil wealth from the depths of the seas, petrochemical industries and projects, the concept of petroleum engineering, oil factories in the Kingdom of Saudi Arabia, oil and gas refinery
Petroleum engineering concept in the Gulf countries, oil factories and plants in the Kingdom of Saudi Arabia, petrochemical industries and projects, the renaissance of the Saudi national economy, an aerial view of an oil and gas refinery, large and huge warehouses and tanks, steel pipelines and cables
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.
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
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
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
Saudi Vision 2030, Integrating Technology with Work, Developing the Saudi Economy, Quality of Petroleum Extraction Tools and Equipment, Selling and Exporting Subsoil Resources, Oil and Gas Exploration Machines, Electronic Screen with Statistical Symbols and Graphics, Rising Stock Market Shares
Illuminating metal towers and structures at night, the renaissance of the Saudi national economy, oil factories and plants in the Kingdom of Saudi Arabia, oil and gas refineries, the concept of petroleum engineering in the Gulf countries, large and huge warehouses and tanks, petrochemical industries and projects
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
Quality of laboratories extracting oil wealth from the depths of the seas, the concept of petroleum engineering, oil factories in the Kingdom of Saudi Arabia, oil and gas refinery, the renaissance of the Saudi national economy, petrochemical industries and projects
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
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
Industrial refinery workers walk towards the factory at sunset, working in the field of petrochemical industries and projects, steel pipelines and cables, the concept of gas productivity in the Kingdom of Saudi Arabia, monitoring the progress of work in factories and plants
Fuel factories 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.
Oil and gas refinery, petrochemical industries and projects, renaissance of the Saudi national economy, quality of machinery and equipment in oil factories in the Kingdom of Saudi Arabia, factories extracting oil wealth from the depths of the seas, the concept of petroleum engineering
Development of the Saudi economy, huge drilling machines used in extracting petroleum, exploration for underground resources in the Kingdom of Saudi Arabia, petrochemical industries and projects in the Kingdom, pipelines and heavy steel equipment, work in the field of industrial and petroleum engineering.
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.
Oil and gas refinery, oil factories and plants in the middle of nature in the Kingdom of Saudi Arabia, the renaissance of the Saudi national economy, the concept of petroleum engineering in the Gulf countries, large and huge warehouses and tanks, petrochemical industries and projects
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
Machines for large industrial facilities for petroleum production, oil and gas refineries, petrochemical projects contributing to the renaissance of the Saudi national economy, oil factories and laboratories in the Kingdom of Saudi Arabia, lighting towers and metal structures at night.
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
Quality of laboratories extracting oil wealth from the depths of the seas, the concept of petroleum engineering, oil factories in the Kingdom of Saudi Arabia, oil and gas refinery, the renaissance of the Saudi national economy, petrochemical industries and projects
Lighting of towers and metal structures, oil factories and plants in the Kingdom of Saudi Arabia, 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
Petrochemical industries and projects, oil and gas refining plant in the industrial area, a large oil refinery equipped with complex machinery in a vast desert landscape and distant mountains, factories and laboratories in the Kingdom of Saudi Arabia, huge and large warehouses, engineering and industrial equipment, pipelines and steel cables.
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
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
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
Pipelines et câbles en acier, usine de raffinage de pétrole et de gaz dans la zone industrielle, immenses et grands entrepôts, ingénierie et équipements industriels, une grande raffinerie de pétrole équipée de machines complexes dans un vaste paysage désertique et des montagnes lointaines, usines et laboratoires du Royaume d'Arabie saoudite Arabie, industries et projets péSteel pipelines and cables, oil and gas refining plant in the industrial area, huge and large warehouses, industrial engineer
Large and huge warehouses and tanks, fuel factories and mines in the Kingdom of Saudi Arabia, 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.
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
Machinery and equipment in oil extraction plants from the depths of the seas, the concept of petroleum engineering, oil factories in the Kingdom of Saudi Arabia, oil and gas refinery, the renaissance of the Saudi national economy, petrochemical industries and projects
Pollution from petroleum production, petrochemical industries and projects, steel pipelines and cables, oil and gas refinery in industrial area, factories and plants in Saudi Arabia, large and huge warehouses, industrial engineering and equipment
Oil refinery on soft golden sands, engineering and urban development of oil refineries in the Kingdom of Saudi Arabia, 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 industries and projects, huge and modern tools and equipment, 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
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, the concept of petroleum engineering, oil and gas refinery, petrochemical industries and projects
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 factories in Saudi Arabia, oil and gas refinery, renaissance of the Saudi national economy, quality of machinery and equipment in oil extraction plants from the depths of the seas, petrochemical industries and projects, concept of petroleum engineering
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
Lighting towers and metal structures at night, oil factories and plants in the Kingdom of Saudi Arabia, 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
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.
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
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
Following up on the progress of the factory’s work, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, a side photo of a Saudi Gulf Arab engineer wearing a protective jacket and helmet working on the oil refinery at sunset, the quality of oil production laboratories and equipment, Saudi professions and jobs
Saudi professions and jobs, quality of oil production plants and equipment, cartoon drawings of a Saudi-Gulf Arab engineer wearing a protective helmet working on an oil refinery, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, following up on the progress of the factory’s work
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.
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 industries and projects, steel pipelines and cables, oil and gas refining plant in the industrial area, factories and plants in Saudi Arabia, large and huge warehouses, industrial engineering and equipment
Petrochemical industries and projects, petroleum engineering concept, oil factories in Saudi Arabia, oil and gas refinery, renaissance of the Saudi national economy, quality of machinery and equipment in factories extracting oil wealth from the depths of the seas
Renaissance of the Saudi national economy, the concept of petroleum engineering in the Gulf countries, petrochemical industries and projects, gas refinery, view of large and huge warehouses and tanks, oil factories and laboratories in the Kingdom of Saudi Arabia
Renaissance of the Saudi national economy, lighting towers and metal structures at night, oil factories and laboratories in the Kingdom of Saudi Arabia, oil and gas refineries, the concept of petroleum engineering in the Gulf countries, large and huge warehouses and tanks, petrochemical industries and projects
The renaissance of the Saudi national economy, lighting towers and metal structures at night, oil factories and plants in the Kingdom of Saudi Arabia, oil and gas refinery, the concept of petroleum engineering in the Gulf States, large and huge warehouses and tanks, petrochemical industries and projects
Petrochemical industries and projects, the renaissance of the Saudi national economy, the quality of machinery and equipment in oil factories in the Kingdom of Saudi Arabia, oil extraction plants from the depths of the seas, the concept of petroleum engineering, oil and gas refinery
Saudi Vision 2030, Integrating Technology with Work, Developing the Saudi Economy, Quality of Petroleum Extraction Tools and Equipment, Selling and Exporting Subsoil Resources, Oil and Gas Exploration Machines, Electronic Screen with Statistical Symbols and Graphics, Rising Stock Market Shares
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
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
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, the renaissance of the Saudi national economy, the quality of machinery and equipment in oil factories in the Kingdom of Saudi Arabia, oil extraction plants from the depths of the seas, the concept of petroleum engineering, oil and gas refinery
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
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
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.
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
Cranes and huge drilling machines for oil and oil extraction, a drilling rig drilling for oil in the desert during the day, import and export of underground resources, quality of tools and equipment for the manufacture and storage of petroleum
Extraction and export of underground resources, oil storage centers in Saudi Arabia, quality of industrial tools and equipment, oil platform for extracting oil, drilling rig for oil exploration in the middle of the sea, huge drilling machines
Pipelines and steel cables, the concept of gas production in Saudi Arabia, monitoring the workflow in factories, a close-up shot of a group of Saudi Gulf engineers working in an oil and gas refining plant, working in the field of petrochemical industries and projects.
Petrochemical industrial projects, monitoring the progress of factory work, quality of oil production laboratories and equipment, supervising oil refining in the Kingdom of Saudi Arabia, a picture from the back of a group of Saudi Arabian Gulf engineers wearing a protective jacket and helmet at the work site
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, large and huge warehouses and tanks
Petrochemical industries and projects, 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 the Kingdom of Saudi Arabia, oil and gas refining plant in the industrial area,
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
Following up on the progress of the factory’s work, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, a side photo of a Saudi Gulf Arab engineer wearing a protective jacket and helmet working on the oil refinery at sunset, the quality of oil production laboratories and equipment, Saudi professions and jobs
Transporting oil from production sites to distribution stations or refineries, A large truck drives over the soft golden sands of the Saudi Arabian desert, The importance of the energy sector in the economy
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
The concept of petroleum engineering in the Gulf countries, lighting towers and metal structures at sunset, large and huge warehouses and tanks, oil and gas refinery, petrochemical industries and projects, the renaissance of the Saudi national economy, oil factories and plants in the Kingdom of Saudi Arabia
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 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 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
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.
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
Quality of petroleum production plants and equipment, large industrial facilities, oil and gas refineries, petrochemical projects contributing to the renaissance of the Saudi national economy, oil factories in the Kingdom of Saudi Arabia, lighting towers and metal structures with a view of the sky at dawn
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.
Exploration for underground resources in the Kingdom of Saudi Arabia, development of the Saudi economy, huge drilling machines used in petroleum extraction, petrochemical industries and projects in the Kingdom, pipelines and heavy steel equipment, work in the field of industrial and petroleum engineering.
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
Petrochemical projects contributing to the 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 dawn, large and huge warehouses and tanks
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
Huge and modern tools and equipment, 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, petrochemical industries and projects
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
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
Large and huge warehouses and tanks, pipelines and steel cables, the renaissance of the Saudi national economy, the concept of petroleum engineering in the Gulf countries, oil factories and plants in the Kingdom of Saudi Arabia, petrochemical industries and projects, an aerial view of an oil and gas refinery
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 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
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
Quality of machinery and equipment in oil extraction plants from the depths of the seas, petrochemical industries and projects, the concept of petroleum engineering, oil factories in the Kingdom of Saudi Arabia, oil and gas refinery, the renaissance of the Saudi national economy
Metal and chemical industries, oil factories in Saudi Arabia, quality of petroleum production plants and equipment, large industrial facilities, oil and gas refinery, petrochemical projects contributing to the renaissance of the Saudi national economy
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
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
Oil refineries in Saudi Arabia, petrochemical projects contributing to the renaissance of the Saudi national economy, gas plants and refineries, the concept of petroleum engineering in the Gulf countries, lighting towers and metal structures at sunset, large and huge warehouses and tanks
Machinery and equipment in oil extraction plants from the depths of the seas, the concept of petroleum engineering, oil factories in the Kingdom of Saudi Arabia, oil and gas refinery, the renaissance of the Saudi national economy, petrochemical industries and projects
Steel pipelines and cables, 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, metals and chemicals industries
Following up on the progress of the factory’s work, the quality of oil production laboratories and equipment, supervising oil refining in the Kingdom of Saudi Arabia, petrochemical industrial projects, a picture from the back of a Saudi Gulf Arab engineer wearing a protective jacket and helmet