A reduced pressure zone device is tested with a device called a differential gauge. This gauge uses hoses attached to the various test cocks of the RPZD and checks to be certain that the check valve springs as well as the relief valve spring are not fouled and are working properly.
The adjective AVUNCULAR has 2 senses: 1. being or relating to an uncle. 2. like an uncle in kindness or indulgence. Familiarity information: AVUNCULAR used as an adjective is rare.
Crepuscular is a term used to describe animals that are primarily active during the twilight. Within the definition of crepuscular are the terms matinal (or matutinal) and vespertine, denoting animals active in the morning (dawn) and evening (dusk) respectively.