Fire extinguisher useful in fighting fires with a particular group of fuel. Specifications for fire extinguishers are set out in the standard AS/NZS 1841, the most recent version being released in 2007. All fire extinguishers must be painted signal red. Except for water extinguishers, each extinguisher has a coloured band near the top, covering at least 10% of the extinguisher's body length, specifying its contents. In Australia, yellow (Halon) fire extinguishers are illegal to own or use on a fire, unless an essential use exemption has been granted, this is due to the ozone-depleting nature of halon. According to the standard BS
Green Fire (novel) then are obliterated. MacRobert, who has previously refused offers from either corporation, is placed in charge of Independent. He disposes of Jevic in time to end the destruction. Basil Davenport, reviewing the novel for "The New York Times", faulted the story's "psychological crudities," but noted that "Green Fire" was also marked by "some striking concepts, and a duel of powers with real suspense." Everett F. Bleiler faulted the novel for defects including "poor exposition," noted that Jevic was modeled on Nikola Tesla, and found the fictionalized account of his early life "fascinating." Green Fire (novel) Green Fire is a science