Ключевые слова:
Gas-welding equipment, Flexible pipes, Welding equipment, Oxygen cutting, Pressure pipes, Rubber, Plastics, Liquefied gases, Compressed gases, Acetylene, Temperature, Pressure, Dimensions, Dimensional tolerances, Flexibility, Permeability, Electrical conductivity, Ignitability, Marking, Instructions for use, Approval testing, Type testing, Pressure testing, Leak tests, Chemical-resistance tests