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.
Antenna problems are particularly common in cars with retractable antennas. You must extend manual antennas by hand, and they often get stuck in the retracted position. Use a pair of needle-nose pliers to gently pull out a stuck manual antenna. Automatically retractable antennas can also malfunction.