a light friable siliceous material derived chiefly from diatom remains and used especially as a filter. Advertisements
a caulking, or yarning iron, shaped similar to the letter “S” for awkward locations. These tools are also available in left and right versions or styles.
a substance, as cement or clay, for packing a joint or coating a porous surface to make it impervious to gas or liquid.
a term describing a soil or waste pipe system where all piping is of threaded pipe, tubing or other rigid construction using recessed drainage fittings corresponding to the types of piping.
an orange-red to brick- red lead oxide Pb3O4 that is prepared by heating lead monoxide in the presence of air that, when produced commercially, may contain litharge and other impurities. Used chiefly in storage battery plates, glass and ceramics, and as a paint pigment (as for protecting metals from corrosion). In plumbing: used as a […]
a volcanic rock or ash used in molding hydraulic cement. It contains silica, alumina, lime, etc.
a peripheral resilient sealing member used around gauge glass tubing at its connection to metal fittings.