1. Fire Safety in the Welding Shop Copyright © Texas Education Agency, 2014. All rights reserved. Welding 1

2. Components of Fire Triangle Copyright © Texas Education Agency, 2014. All rights reserved. 2

3. 3 Fire Triangle To produce fire, three things must be present Fuel Heat Oxygen FUEL OXYGEN HEAT Copyright © Texas Education Agency, 2014. All rights reserved.

4. Three Components of the Fire Triangle Fuel – Any combustible material Heat – Enough to raise fuel to its ignition temperature Oxygen – Necessary to sustain combustion 4 Copyright © Texas Education Agency, 2014. All rights reserved.

5. Fuel, Heat, Oxygen If any one of these three are missing, a fire cannot be started. With the removal of any one, the fire will be extinguished. 5 Fuel Heat Oxygen Copyright © Texas Education Agency, 2014. All rights reserved.

6. Types of Fires Copyright © Texas Education Agency, 2014. All rights reserved. 6

7. Class A – Fires that occur in ordinary combustible materials 7 Wood Rags Paper Trash Copyright © Texas Education Agency, 2014. All rights reserved.

8. 8 Class B – Fires that occur in flammable liquids Gasoline Oil Grease Paints Thinners Copyright © Texas Education Agency, 2014. All rights reserved.

9. 9 Class C – Fires that occur in electrical and electronic equipment Motors Switchboards Circuit wiring Radios Television sets VCRs DVD players Copyright © Texas Education Agency, 2014. All rights reserved.

10. 10 Class D – Fires that occur in combustible metals Powdered aluminum Magnesium Titanium Zinc Copyright © Texas Education Agency, 2014. All rights reserved.

11. 11 Types of Fire Extinguishers Copyright © Texas Education Agency, 2014. All rights reserved.

12. 12 A A = “A-frame house” Copyright © Texas Education Agency, 2014. All rights reserved.

13. B = “Boom” Box 13 B Copyright © Texas Education Agency, 2014. All rights reserved.

14. C = “Current” 14 C Copyright © Texas Education Agency, 2014. All rights reserved.

15. D = “Danger” because the “Sheriff’s metal star” keeps you out of danger 15 D Copyright © Texas Education Agency, 2014. All rights reserved.

16. K = “Kitchen” 16 K Copyright © Texas Education Agency, 2014. All rights reserved.