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
Green Fire were filmed in the Hollywood Hills, just off of Mulholland Drive, where the production company received permission to cut steps into part of the hill. The author of the memoir "Green Fire", on which the film was based, was Major Peter William Rainier 1890–1946, a South African whose great-great-grand-uncle was the person that Mount Rainier, Washington was named after (by the explorer George Vancouver). According to MGM records the film earned $1,829,000 in the US and Canada and $2,631,000 elsewhere, resulting in a profit of $834,000. In France, the film recorded admissions of 2,048,836. Green Fire Green Fire is a