Descriptors | Pipes, Pipe fittings, Drainpipes, Sewers, Pneumatic equipment, Pressure pipes, Discharge stacks, Pressure equipment, Waste-water drainage, Performance, Dimensions, Dimensional tolerances, Size, Diameter, Angles (geometry), Surface treatment, Strength of materials, Mechanical properties of materials, Bend testing, Wear resistance, Corrosion resistance, Dimensional measurement, Thickness measurement, Straightness measurement, Pressure testing, Test pressure, Crushing tests, Testing conditions, Performance testing, Quality control, Marking |