Compressed air supplies the energy required to drive vital refractory equipment, such as portable pumps, nozzles, and demolition tools ... Equipment should be positioned away from foot and vehicle ...

Banks of nozzles along the wings blast compressed air to alter the aerodynamics as ... of a full-scale unmanned AFC test plane, with a 30-foot (9-m) wingspan, a gross weight of 7,000 lb (3,175 ...

A New Zealand truck driver who inflated "like a balloon" when he fell buttocks-first onto a compressed air nozzle was described as lucky to be alive Wednesday. Steven McCormack was working on his ...