Direct access is acceptable when the scaffold is not more than 14 inches (36 centimeters) horizontally and not more than 24 inches (61centimeters) vertically from the other surfaces. 1926.451(e)(8) The standard prohibits the use of crossbraces as a means of access.
H Bomb. Abbreviation for Hydrogen Bomb. The hydrogen bomb is the big brother of the first nuclear bombs, Fat Man and Little Boy, which were dropped on Nagasaki and Heroshima in 1945. The hydrogen bomb uses a hydrogen neutron, fired at high speed, into an atom of some unstable element, usually uranium.
The mushroom cloud of an atomic bomb. The nuclear bomb is the most powerful weapon ever created, and today there are enough in military arsenals to kill every living thing on the planet several times over. There are two basic kinds of nuclear weapons.The first to be invented is now known as the fission bomb, or sometimes simply the atomic bomb or A-bomb.he mushroom cloud of an atomic bomb. The nuclear bomb is the most powerful weapon ever created, and today there are enough in military arsenals to kill every living thing on the planet several times over. There are two basic kinds of nuclear weapons.