Fire extinguisher five categories. In the UK the use of Halon gas is now prohibited except under certain situations such as on aircraft and in the military and police. Fire extinguishing performance per fire class is displayed using numbers and letters such as 13A, 55B. EN3 does not recognise a separate electrical class - however there is an additional feature requiring special testing (35 kV dielectric test per EN 3-7:2004). A powder or CO extinguisher will bear an electrical pictogramme as standard signifying that it can be used on live electrical fires (given the symbol E in the table). If a water-based
Fire engine ones which can be found in a fire extinguisher. These features give the airport crash tenders a capability to reach an airplane rapidly, and rapidly extinguish large fires with jet fuel involved. Other fire apparatus include: In some communities a fire apparatus, often a paramedic engine, will be used to carry first responder firefighters, paramedics or EMTs to medical emergencies because of their faster response times due to forward staging in the city. Fire departments may also have lifeguards in places such as Los Angeles County, California. The design and construction of fire engines focuses greatly on the use of