Residual Current Breaker with Overload protection (RCBO) A RCBOs combines the functions of a MCB and a RCD in one unit. They are used to protect a particular circuit, instead of having a single RCD for the whole building. Generally these are used more often in commercial building than domestic ones.
The USS ARIZONA as a historic artifact derives much of its significance in relation to the attack on Pearl Harbor and in turn on the outbreak of war. The order of thematic emphasis ensues from the nature of a memorial and the necessity of placing primary emphasis on interpretation of resources at hand.
This cutaway depicts the Arizona as she was on the morning of Dec. 7, 1941. Many years of research and development and our cutaway is truly the first modern day look within this famous ship. The USS Arizona is the final resting place for many of the ship's 1,177 crewman who lost their lives on December 7, 1941. As oil droplets bubble to the surface, the Arizona continues to serve as a symbol of America's loss and resolve. The framed size is 19.5 wide by 8.5 high.