What is an Arc ? | Arc in Circuit Breaker Before going through details of arc quenching or arc extinction technologies employed in circuit breaker we should know first what is arc actually. What is an Arc ?
Meet the World's Tallest and Shortest Dogs! Gibson and Boo Boo. These are the extremes: the world's tallest dog Gibson (7 ft / 2.1 m tall when standing on his hind legs) has met Boo Boo (4 in / 10 cm high) the world's smallest dog in Sacramento, California for Guinness World Records Day 2007.
Conversely, the Wolf will be the shortest animal pattern ever (32 feet). The Bear will be a flat pattern of medium length (40 feet), similar to what has been used at the U.S. Open in recent years and characterized as the most difficult test in professional bowling.