Fire extinguisher class D fire extinguisher agents available; some will handle multiple types of metals, others will not. TMB was used experimentally by the US Air Force, specifically with regard to B-52 engine assemblies, and was tested in modified 10-gallon wheeled CBM extinguishers. Other agents were added to suppress the methanol flare up, such as chlorobromomethane (CBM), Halon 2402, and Halon 1211, with varied success. Halon 1211 was the most successful, and the combined TMB pressurized with halon 1211 and nitrogen was called Boralon was used experimentally by the Los Alamos National Laboratory for use on atomic metals, using sealed cylinder extinguishers
Cold gas thruster Cold gas thruster A cold gas thruster is a propulsive device that uses pressurized inert gas as the reaction mass. The compressed gas is released through a propelling nozzle to generate a cold jet thrust. A cold gas thruster usually consists of simply a pressurized tank containing gas, a valve to control its release and a propelling nozzle, and plumbing connecting them. A very simple example would be the use of a handheld or nitrogen gas fire extinguisher while sitting down in a rolling office chair; motion is achieved by pointing the nozzle in the direction opposite of the desired