vesisumusammuttimet
Vesisammuttimet, known scientifically as water extinguishers, are a common type of fire extinguishing device. They primarily utilize water as their extinguishing agent, which is stored under pressure. The mechanism typically involves a lever or button that, when activated, releases a stream of water onto the fire. The effectiveness of water extinguishers relies on their ability to cool the burning material below its ignition temperature and to a lesser extent, to smother the fire by creating a steam barrier that displaces oxygen.
Water extinguishers are most effective against Class A fires, which involve ordinary combustible materials such as
The standard color coding for water extinguishers is red, though this can vary regionally. They are typically