How Often Can I Use My Keychain Pepper Spray?
A class B fire is one that involves a flammable liquid. These Tesla Lighter Survival Tool Review fires may be fueled by substances that include gasoline, oil, kerosene and grease. Class B fire extinguishers have a numerical rating that gives the area in feet that it can put out.Class C extinguishers are for electrical fires. They can put out fires in appliances, circuit breakers, wiring and outlets. Never attempt to extinguish these fires with water. There is too great a hazard for electrical shock.
Class D extinguishers are specialty devices that are normally only found in chemical laboratories. They are to put out fires of burning metals. These extinguishers are not designed for use on any other class fire.Some extinguishers are rated as class ABC. These multipurpose extinguishers are best for the home.
If you find a APW or water extinguisher, it is very effective and leaves little mess when extinguishing a type A fire. It must not be used on electrical fires. It can be used on a computer fire, if the equipment is disconnected from the power source. These silver fire extinguishers contain water that is pressurized by air. They are often found in the hallways of older buildings.
