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.
3,800 times more powerful than Hiroshima. The Tsar Bomba hydrogen bomb is the largest-ever nuclear device to have been detonated. The power of the explosion exceeded the combined power of all explosives used by all countries during WWII.The explosive energy released exceeded 3,800 times the Fat Man bomb dropped on Nagasaki.eople in Moscow will have the opportunity to view a life-size replica of the biggest detonated nuclear bomb in history. A copy of the Tsar Bomba will be displayed at a historical exhibition in the heart of the Russian capital.