Occupational safety standards system. Oil Extraction Wellhead Equipment. General Safety Requirements
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Metal bellows expansion joints for the pipelines of electric power stations and heat-supply systems. Types, basic parameters and general technical requirements
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Unit-boxes. General specifications.
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Pipe-cleaning machines. Parameters.
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Pipe-insulating machines. Parameters.
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Electric drills. Types, main parameters, dimensions. Type.
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Downhole machinery. Electric drills. Types, basic parameters and dimensions. Description.
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electromagnetic powder brakes for the main winches rigs. Basic parameters.
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Technological units of gas and oil industry. General technical requirements.
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Mixers. Types and main parameters.
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Milling cutters magnetic-catcher. Specifications.
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Flange connections of wellhead equipment. Types and main parameters.
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