Ключевые слова:
Steels|Bend testing|Dished ends|Welded fittings|Mechanical testing|Electrically-operated devices|Design calculations|Earth conductors|Steam boilers|Pressure|Earthing|Approval testing|Boiler stays|Tensile testing|Immersion heaters|Manholes|Acceptance (approval)|Safety valves|Marking|Electric control equipment|Design|Non-destructive testing|Electrical insulation|Stress analysis|Welding|Hot-water boilers|Flanges|Test specimens|Unalloyed steels|Heat treatment|Heating equipment|Boilers|Holes|Automatic control systems|Impact testing|Inspection|Seatings|Pipe junctions|Grades (quality)|Safety measures|Defects|Access|Welded joints|Electrodes|Cylindrical shape|Dimensions|Documents|Visual inspection (testing)