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.
An AVM is a tangle of abnormal and poorly formed blood vessels (arteries and veins). They have a higher rate of bleeding than normal vessels. AVMs can occur anywhere in the body. Brain AVMs are of special concern because of the damage they cause when they bleed.ypes of AVM. AVMs can occur anywhere in the body however BRAIN AVMs are of special concern because of the damage they cause when they bleed. They are very rare and occur in less than 1% of the general population. AVMs that occur in the coverings of the brain are called DURAL AVMs.