Ключевые слова:
Physical properties of materials, Diameter, Dimensions, Sealing rings, Pipework systems, Water supply and waste systems (buildings), Marking, Spigot-and-socket joints, Thickness, Mechanical properties of materials, Plastics, Recycling, Pipes, Length, Waste-water drainage, Drainage, Impact strength, Pipe fittings, Size, Performance, Unplasticized polyvinyl chloride, Polyvinyl chloride