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 Neutron Bomb. The tactical neutron bomb is a nuclear weapon that maximizes damage to people but minimizes damage to buildings and equipment. It is also called an enhanced radiation warhead. The neutron bomb is a specialized thermonuclear weapon that produces a minimal blast but releases large amounts of lethal radiation which can penetrate armor or several feet of earth. Sam Cohen is considered the father of the neutron bomb.