Ключевые слова:
Plastics, Pipework systems, Water pipes, Water supply and waste systems (buildings), Glass fibres, Reinforced materials, Polyesters, Thermosetting polymers, Pipes, Pipe fittings, Pipe couplings, Plastic pipelines, Dimensions, Dimensional tolerances, Size, Pressure, Performance, Mechanical properties of materials, Test methods, Unsaturated polyesters