Commercial diving/Safe use of hand and power tools underwater

Relevance: Scuba diving (partial: hand tools), Surface supplied diving (partial: + power tools), Surface oriented wet bell diving (full).

Required outcomes:

1. Explain the principles of safe use of hand tools underwater
2. Discuss the safe and effective use of power tools underwater
3. Discuss the safe and effective use of oxy-arc Cutting
4. Discuss the safe and effective use of HP water jetting
5. Discuss the safe and effective use of LP abrasive cleaning
6. Describe the principles and practice of wet welding with reference to safety and setup and the limitations of application