List PAC safety procedures.

List should include

• never placing body parts under the cutter tip
• turning off power during maintenance
• preparing a clean and safe work area
• making sure there are no flammable objects around the work area
• covering all windows
• being aware of the direction of the sparks
• using PPE
• ensuring good ventilation.

Process/Skill Questions: 

• What could happen if body parts were exposed to the arc?
• What would happen to the exposed skin near the arc?
• Why is ventilation so important?
• What could happen to glass when it is exposed to the sparks of the torch?