This term is used by companies that offer subscription services to clients for example, telephone carriers, Internet service providers, and hosts. It is a measure of the revenue generated by one customer phone, pager, etc., per unit time, typically per year or month.
filch. vb. 1. (tr) to steal or take surreptitiously in small amounts; pilfer. [C16 filchen to steal, attack, perhaps from Old English gefylce band of men].
Lapping is a machining process, in which two surfaces are rubbed together with an abrasive between them, by hand movement or using a machine.he small plate shown in the first picture is a hand lapping plate. That particular plate is made of cast iron. In use, a slurry of emery powder would be spread on the plate and the workpiece simply rubbed against the plate, usually in a figure-eight pattern.