What should be remembered when using an air chisel or reciprocating saw to remove a roof?

When using an air chisel or reciprocating saw to remove a roof, it is crucial to remember that a roof structure can consist of multiple layers of metal. This is important because each layer may require additional effort to cut through and can affect the overall approach to the rescue operation. Not recognizing the presence of these layers could lead to delays, inefficient cutting, or even damage to the tool.

Taking into account the possibility of multiple metal layers ensures that the technician can be adequately prepared with the right tools and techniques for cutting through the materials efficiently and safely. This awareness also allows for the anticipation of potential complications that may arise during the cutting process, ensuring a more effective and safer operation in a rescue scenario.