Ключевые слова:
Pressure pipes, Pressure testing, Polyvinyl chloride, Water supply and waste systems (building, Drainpipes, Pressure, Classification systems, Pipework systems, Temperature, Potable water, Size, Physical properties of materials, Pipes, Plastics, Unplasticized polyvinyl chloride, Mechanical properties of materials, Water supply, Water supply (buildings), Drainage, Sewerage, Colour codes, Hydraulic tests, Dimensions, Plastic pipelines, Marking, Water, Sewers