Ключевые слова:
Potable water|Quality control|Polyethylene|Water|Pipes|Pressure testing|Sampling methods|Dimensional tolerances|Polymers|Water supply|Diameter|Temperature measurement|Plastics|Mechanical testing|Materials in contact with food|Specimen preparation|Dimensions|Hydrostatic pressure|Blue|Flexible pipes|Elongation at fracture|Marking|Performance testing|Statistical testing|Dimensional measurement|Underground|Visual inspection (testing)|Heat measurement