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.
(General Physics) physics. a. a property of a physical system characterized by the behaviour of the sign of its wave function when all spatial coordinates are reversed in direction. The wave function either remains unchanged (even parity) or changes in sign (odd parity)