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- First recorded fire extinguisher patent: 1723 (England)
- 1818 fire extinguishing solution: Pearl ash
- 1881 fire extinguishing solution: Sodium bicarbonate and sulfuric acid
- 1912 fire extinguishing solution: Carbon tetrachloride
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Fire extinguishers are essential fixtures of the home and place of business, as they make it possible for individuals to put out small fires before they spread. Most fire extinguishers used in the United States are fire engine red in color, cylindrical in shape, and contain pressurized foam-, chemical- or water-based agents discharged via a handle squeezed by the user.
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Types of Fires and Their Symbols
- Class A fires burn normal combustible solids
- Class A symbol: Green triangle
- Class B fires burn flammable liquids and gases
- Class B symbol: Red square
- Class C fires burn electrical equipment
- Class C symbol: Blue circle
- Class D fires burn combustible metals
- Class D symbol: Yellow pentagram
- Class K fires burn cooking oils
- Class K symbol: Black hexagon
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Fire Extinguisher Questions
on saints row 2, what is the use for the combine and the fire extinguisher? 3 AnswersThe Combine you can unlock by completing Chop Shop lists (it's called the "Kent" in your crib garage list). It's basically a vehicle with a giant spiked grill ... read more
How do fires "jump" across several miles of a city? 1 AnswerHello @leachypeachy, This is typically the result of wind and burning debris (a la sparks) being carried from the burning section of the city (or woods, whereve... read more
How long will the Centralia Mine Fires burn? 1 AnswerIt's predicted that the Centralia coal mine fires will burn for another 250 years. Here are interesting facts which i read and like to share with others. ---qu... read more
In Fallout 3, whats the best way to kill the fire ants in Greyditch? 2 AnswersShoot them in the head from long range.Sniper/hunting/assault rifle works best. Don't let them close with you. Retreat and return if necessary. Keep them in fro... read more



