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
Honolulu Fire Department fire prevention and other public safety education programs. CRO manages the museum and offers fire safety classes. Class topics range from general fire safety prevention and preparedness tips, use of a fire extinguisher, understanding the common causes of fire, how to prevent fires, and what to do in case of a fire. CRO also participates in numerous fire safety education community events. A publication the HFD produces annually is the Fire Fighter’s Safety Guide (FFSG). The FFSG is now going on about 30 years since its first publication and about 100,000 copies are now distributed island wide to all schools.