| Descriptors |
Dimensions, Drop tests, Stress relieving, Plastics, Pressure testing, Pipes, Softening point, Drainpipes, Polymers, Spigot-and-socket joints, Thermal testing, Test pressure, Pipe fittings, Unplasticized polyvinyl chloride, Mechanical testing, Testing conditions, Deformation, Impact testing, Sewers, Colour, Thickness, Test equipment, Pipe couplings, Diameter, Rupture stress, Marking, Hydraulic tests, Polyvinyl chloride
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