This incident was not unique. Fatalities from welding and hot work are often are associated with confined spaces and the areas adjacent to these confined spaces . The CSB has identified over 60 fatalities since 1990 due to explosions and fires from hot work activities on tanks, which are, of course, confined spaces.
moÂ·menÂ·ta (-tÉ) or moÂ·menÂ·tums. 1. Symbol p Physics A quantity used to measure the motion of a body, equal to the product of the body's mass and its velocity. Also called linear momentum. 2.
[edit] Spin. Spin is a quantized property of all particles, both matter and force, in the universe. Matter particles have half-integer spin (1/2, 3/2,...) and force particles integer spin (0, 1, 2,...). Spin is intrinsic angular momentum possessed by the particles.