| Descriptors |
Frost susceptibility, Light-duty, Bend couplings, Dimensions, Dimensional tolerances, Marking, Pipe caps, Fibres, Reinforced materials, Flow measurement, Test equipment, Density, Crushing tests, Performance, Cements, Diameter, Pipe fittings, Instructions for use, Design, Acid-resistance tests, Chimney terminals, Reducing couplings, Performance testing, Flues, Chimneys, Spigot-and-socket joints, Straightness measurement, Pipe tees
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