Go for the big extinguisher, they will give an ordinary user one extra chance. Entrepreneurs that do some types of works often have flammable substances stored in their vehicles and should be advised parking space at safe distance from buildings. This will also improve the protection against bomb explosions as well. Some basics about fire Extinguishers . The extinguishers must be of the proper class.
Most extinguishers discharge in seconds.
The extinguishers must be operable and within reach. The operator must know how to use the extinguisher. Extinguisher types . This type mostly uses foam or water. Don't use this type in high power installations, you are in risk of being fried.