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 and huge warehouse 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, fuel factories 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
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 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
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
Quality of oil production plants and equipment, Adoption of modern techniques and technology in gas production in Saudi Arabia, Petrochemical industrial projects, 3D drawings of underground wealth extraction by crane pump, Economic growth and progress, White background
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
The concept of gas production in the Kingdom of Saudi Arabia, following up on the progress of work in factories, a picture from the back of two Saudi Gulf Arab engineers wearing helmets and a protective vest and standing between pipelines, Saudi professions and jobs, background of the oil refining plant.
Exploration of 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 oil extraction, development of the Saudi economy, work in the field of industrial and petroleum engineering
Engineering and urban development of oil refineries, side view of 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
Monitoring the progress of factory operations, engineering professions and jobs, quality of oil production plants and equipment, adoption of modern techniques and technology in gas production in the Kingdom of Saudi Arabia, petrochemical industrial projects, close-up of a Saudi Arabian Gulf engineer wearing a safety helmet holding a tablet in his hand
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 industries and projects in the Kingdom, development of the Saudi economy, 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
A large truck drives on the soft golden sands of the Saudi Arabian desert, transporting oil from production sites to distribution stations or refineries, the importance of the energy sector in the economy
The concept of gas production in the Kingdom of Saudi Arabia, a picture of a Saudi Gulf Arab man wearing a helmet and a protective vest, following the progress of factory work, Saudi professions and jobs, oil refinery background
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 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
Oil and gas refining factories 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 petroleum exploration, work in the field of petroleum engineering, Saudi economic growth and progress
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
Saudi professions and jobs, following up on the progress of the factory, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, a picture from the side of a Saudi Gulf Arab engineer wearing a protective jacket and helmet working on the oil refinery, the quality of oil production laboratories and equipment
Oil mines 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
Adoption of modern techniques and technology in gas production, petrochemical industries and projects, large and modern tools and equipment, engineering and urban development of oil refineries in the Kingdom of Saudi Arabia, oil refinery on soft golden sands
Petroleum engineering work, oil and gas refinery, back view of a group of Saudi Arabian Gulf workers wearing protective suits and helmets supervising oil plants and factories in Saudi Arabia, pipelines extending from the depths of the sea to the refineries
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.
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
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
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
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
Adoption of modern techniques and technology in gas production, petrochemical industries and projects, large and modern tools and equipment, engineering and urban development of oil refineries in the Kingdom of Saudi Arabia, oil refinery on soft golden sands
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
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 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.
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, fuel factories and mines in the Kingdom of Saudi Arabia, large and huge warehouses and tanks, towers and metal structures in desert lands
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.
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 in the desert of Saudi Arabia, 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
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
Petrochemical industries and projects in the Kingdom, development of the Saudi economy, 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
Adoption of modern techniques and technology in oil and gas production in the Kingdom of Saudi Arabia, quality of production plants and equipment, platforms for extracting oil and oils in the middle of desert lands, extraction and export of underground resources at sunset
Engineering and urban development of oil refineries, oil refinery in the desert of Saudi Arabia, huge and modern tools and equipment, adoption of modern techniques and technology in oil and gas production, soft golden sand dunes
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
Oil refinery in the desert of Saudi Arabia, 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
Adoption of modern techniques and technology in oil and gas production in the Kingdom of Saudi Arabia, quality of production plants and equipment, platforms for extracting oil and oils in the middle of desert lands, extraction and export of underground resources
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
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
Large and huge warehouse 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, fuel factories in the Kingdom of Saudi Arabia
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
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
Petrochemical industries and projects, 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, huge and modern tools and equipment
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
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
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
A group of Saudi Arabian Gulf engineers working in an oil and gas refinery, working in the field of petrochemical industries and projects, steel pipelines and cables, the concept of gas productivity in the Kingdom of Saudi Arabia, following up on the progress of work in factories and plants
Follow up the progress of work in factories, the concept of gas productivity in Saudi Arabia, 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
Use of modern techniques and technology in gas production in Saudi Arabia, quality of oil production plants and equipment, close-up image from the back of an Arab Gulf man wearing a helmet and a protective vest holding a tablet in his hand and following the progress of the factory work, youth professions and jobs, oil refinery background
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
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
Petrochemical industries and projects, 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, huge and modern tools 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
Renaissance of the Saudi national economy, an oil factory lit at night in the Kingdom of Saudi Arabia, the quality of machinery and equipment in the factories that extract oil wealth from the depths of the seas, the concept of petroleum engineering, petrochemical industries and projects
Saudi Arabian Gulf engineer prospecting for underground resources in Saudi Arabia, petrochemical industries and projects in the Kingdom, pipelines and heavy steel equipment, huge drilling machines used in oil extraction, working in the field of industrial and petroleum engineering
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.
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
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
Extracting underground resources from the sea, petrochemical industries and projects in the Kingdom, huge machines 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, Saudi economic growth and progress
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
A group of Saudi Arabian Gulf engineers working in an oil and gas refinery, following up on the progress of work in factories, the concept of gas productivity in Saudi Arabia, working in the field of petrochemical industries and projects, steel pipelines and cables, metal and chemical industries
Work progress at work site, a, 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, working in the field of petroleum engineering in the Kingdom of Saudi Arabia
Extracting underground resources from the sea, huge machines and heavy equipment used in oil exploration, 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
Adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, quality of oil production laboratories and equipment, cartoon drawings of a Saudi Gulf Arab engineer wearing a protective helmet, following up on the progress of factory work, engineering professions and jobs, petrochemical industrial projects
Engineering and urban development of oil refineries in the Kingdom of Saudi Arabia, oil mines 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
Steel pipelines and cables, monitoring the progress of work in factories and plants, close-up from the back of a Saudi Arabian Gulf engineer working in an oil and gas refinery, working in the field of petrochemical industries and projects, the concept of gas productivity in the Kingdom of Saudi Arabia
Achieving the industrial revolution, adopting modern techniques and technology in engineering, a close-up image 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
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
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 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
Monitoring the progress of the factory, petrochemical industrial projects, silhouette of a Saudi Arabian Gulf engineer wearing a protective helmet, adoption of modern techniques and technology in gas production in the Kingdom of Saudi Arabia, quality of oil production plants and equipment, engineering professions and jobs
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
Adoption of modern techniques and technology in oil and gas production in the Kingdom of Saudi Arabia, quality of production laboratories and equipment, close-up photo of an oil refinery in the middle of desert lands, an oil platform in the desert, extraction and export of underground resources
Following up on the progress of work in factories, the interior of a large industrial building equipped with a crane and pipes, adopting modern technologies in gas production in Saudi Arabia, heavy equipment and tools, the concept of engineering and industry
Oil factories in the Kingdom of Saudi Arabia, the quality of machinery and equipment in the plants that extract oil wealth from the depths of the seas, the concept of petroleum engineering in the Gulf countries, oil and gas refinery, petrochemical industries and projects, the renaissance of the Saudi national economy
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
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
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
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
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
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
Adoption of modern techniques and technology in oil and gas production in the Kingdom of Saudi Arabia, quality of production laboratories and equipment, close-up photo of an oil refinery in the middle of desert lands, an oil platform in the desert, extraction and export of underground resources
Saudi professions and jobs, following up on the progress of the factory, adopting modern techniques and technology in gas production in the Kingdom of Saudi Arabia, a picture from the side of a Saudi Gulf Arab engineer wearing a protective jacket and helmet working on the oil refinery at sunset, the quality of oil production laboratories and equipment
Ensuring the safety of pipelines extending from the depths of the sea to refineries, oil and gas refineries, working in the field of petroleum engineering, a Saudi Gulf Arab man wearing a protective suit and a protective helmet evaluating the quality of machinery and equipment in oil laboratories and factories in the Kingdom of Saudi Arabia
Petroleum engineering work, oil and gas refinery, back view of a group of Saudi Arabian Gulf workers wearing protective suits and helmets supervising oil plants and factories in Saudi Arabia, pipelines extending from the depths of the sea to the refineries
Following up on the progress of work in factories, the concept of gas productivity in the Kingdom of Saudi Arabia, a picture from the back of a Saudi Gulf Arab worker wearing a protective uniform monitoring petrochemical industries and projects, oil refineries in the Kingdom of Saudi Arabia, huge and large warehouses
Pipelines and heavy steel equipment, silhouette from behind of a Saudi Arabian Gulf engineer prospecting for underground wealth in Saudi Arabia, huge drilling machines used in oil extraction at sunset, working in petroleum engineering, salulite
Exploration of 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 oil extraction, development of the Saudi economy, work in the field of industrial and petroleum engineering
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
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
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
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
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, petrochemical industries and projects, petroleum engineering concept, 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 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