RBI HYDRAULIC BREAKER USER MANUAL. 2. How the Tool Breaks Rock. The following paragraphs describe what happens to break rock when the piston strikes the tool. (A)Contact-Initial Compression Stress Wave. When the piston (1) strikes the top of the tool (2), it sends a compressive stress wave (3) down to the.
And Counter means counter, exactly as in English. Poise means weight. So the word literally means counterweight and that is what a counterpoise is in an antenna system, where it was originally used. Simply put, a ground plane that the antenna system could mirror itself in.
Tower and Antenna Siting. Building a new tower or collocating an antenna on an existing structure requires compliance with the Commissionâs rules for environmental review. These regulatory processes ensure that appropriate measures are taken to protect environmental and historic resources. Antenna Structure Registration (ASR) with the FCC.