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How to use a glue gun
Consult the owner's manual.
Go over the owner's manual for information about safely operating your glue gun. Take note of the different components of the glue gun and how they're supposed to function.
The instruction manual should be able to tell you whether your glue gun will begin heating up automatically or needs to be turned on and off, how long it typically takes to warm up, and what materials it's recommended for. Be sure to read through the safety warnings carefully to reduce the risk of accident or injury while using the glue gun.