A blowtorch is a tool used for applying a concentrated, high-temperature flame to a surface for various purposes, including cooking, soldering, or welding. In culinary contexts, blowtorches are commonly used for techniques such as caramelizing sugar, melting cheese, or searing the surface of meats and seafood. They typically consist of a handle with a trigger mechanism to control the flow of fuel, such as butane or propane, and a nozzle that emits a steady stream of flame when ignited. Blowtorches come in various sizes and designs, from small handheld models to larger, more powerful units used in professional kitchens.

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