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Oil platform — A typical offshore oil/gas platform. An oil platform, also referred to as an offshore platform or, somewhat incorrectly, oil rig, is a lаrge structure with facilities to drill wells, to extract and process oil and natural gas, and to temporarily… … Wikipedia
building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… … Universalium
Drilling rig — For a detailed diagram of a Petroleum drilling rig, see List of components of oil drilling rigs. Drilling rig preparing rock blasting … Wikipedia
Diving bell — A diving bell is a rigid chamber used to transport divers to depth in the ocean. The most common types are the wet bell and the closed bell. The wet bell is a cable suspended chamber, open at the bottom like a moon pool structure, that is lowered … Wikipedia
Royal Dutch Shell — plc Type Public limited company Traded as LSE: … Wikipedia

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