Ключевые слова:
Stress relieving|Dimensions|Acrylonitrile butadiene styrene|Water supply and waste systems (building|Plastics|Pipe fittings|Marking|Pressure pipes|Type testing|Thermal testing|Pressure testing|Physical properties of materials|Hydraulic tests|Conformity|Testing conditions|Grades (quality)|Industrial|Sewerage|Sampling methods|Polymers