Ключевые слова:
Pipework systems, Pipes, Plastics, Unplasticized polyvinyl chloride, Water supply and waste systems (buildings), Domestic pipework systems, Waste-water drainage, Sewerage, Low temperatures, High temperatures, Buildings, Building services, Performance testing, Testing conditions, Laminates, Smoothness (surface), Foamed plastics, Radial, Supports, Joints, Domestic, Ventilation, Rainwater control systems, Marking, Size, Dimensions, Physical properties of materials, Sealing rings, Adhesives, Recycling