a tee fitting where the straight portion, or run, has one female and one male end, and the third opening is female. Advertisements
in water treatment, the removal of soluble compounds of iron from water.
a vitrified ceramic-ware originally brought from the Far East, composed chiefly of clay, feldspar and flint, and differing from porcelain only in being made in two firings; one for the body and one for the glaze.
sewage sediment, rich in destructive bacteria, that can be used to break down fresh sewage more quickly.
1. the art of soldering cast iron. 2. a process consisting of decarbonizing the surface of the cast iron to be soldered, the molten hard solder being at the same time brought into contact with the red hot metallic surfaces.
the process of becoming more eutrophic either as a natural phase in the maturation of a body of water or artificially (as by fertilization).
a finely powdered rosin with strong ammonia solution suitable for soldering copper wires.