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
Cutting extinguisher the Netherlands, Germany, Australia, Taiwan, Singapore, Hong Kong, People's Republic of China, Japan, Malaysia and Switzerland. . Water is supplied to the Cobra at about 300 bar and a flow rate of up to 60 litres / minute through a lightweight hose that with extensions can be up to 300 meters long. With 350 litres of water carried on-board this allows several minutes active use, even without connection to a fire hydrant. It can cut through 15 cm of concrete in 75 seconds and 10mm steel in 60 seconds. With the coldcut Cobra cutting extinguisher a fire fighter can attack