Ключевые слова:
Plastic pipelines, Pipe fittings, Impact testing, Diameter, Spigot-and-socket joints, Sewerage, Mechanical testing, Drop tests, Pipework systems, Sealing rings, Flexibility, Performance, Size, Elastomers, Flow rates, Length, Stiffness, Polypropylene, Drainage, Marking, Dimensional tolerances, Underground, Pipes, Thermoplastic polymers, Water supply and waste systems (buildings), Plastics, Thickness, Thermal stability