Fire extinguisher had been developed by DuPont and the US Army in 1954. Both 1211 and 1301 work by inhibiting the chain reaction of the fire, and in the case of Halon 1211, cooling class A fuels as well. Halon is still in use today but is falling out of favor for many uses due to its environmental impact. Europe and Australia have severely restricted its use, since the Montreal Protocol of 1987. Less severe restrictions have been implemented in the United States, the Middle East, and Asia. Internationally there are several accepted classification methods for hand-held fire extinguisher. Each classification is
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