claim: The Fly is a science fiction character.
evidence: A heat torch is a tool or device that is used to heat up a substance quickly , whether it is air , metal , plastic , or other materials .. air. air. metal. metal. plastic. plastic. Heat torches typically provide a way to quickly heat a concentrated area of material for uses such as molding , metallurgy , hardening , and solidification .. molding. molding ( process ). metallurgy. metallurgy