A cutting torch is a tool used to cut through metal by applying a high-temperature flame. It consists of a handle with controls for mixing oxygen and fuel gases, which are then ignited to produce a hot, concentrated flame. This flame heats the metal to its melting point, and a stream of oxygen blows away the molten metal, making it easier to cut through. Cutting torches are commonly used in welding and metalworking to slice through thick metal sheets or pipes.

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