Answer :
Final answer:
The safest method to make a hole in sheet metal is to drill a pilot hole and then use a hole saw. This enables precise control and minimizes risk compared to other more potentially hazardous methods.
Explanation:
The safest way to make a hole in sheet metal is Option 2: Drill a pilot hole and then use a hole saw. This method allows for precise control and minimizes the risk associated with other more hazardous methods. Using a plasma cutter (Option 1) is not typically regarded as the safest due to the high level of heat and potential for burns if not handled correctly. Similarly, applying heat with a torch (Option 4) poses a similar risk of burns and requires a very steady hand to avoid mistakes. Using a hammer and chisel is also inherently risky due to the potential for injury with missed strike or splintering of the metal.
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