glue gun
US /ˈɡluː ɡʌn/
UK /ˈɡluː ɡʌn/

1.
pistola de pegamento, pistola de silicona
a device that heats and melts sticks of solid adhesive, allowing it to be applied as a liquid and then solidify to bond materials together
:
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She used a glue gun to attach the decorations to the wreath.
Ella usó una pistola de pegamento para fijar las decoraciones a la corona.
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Make sure the glue gun is fully heated before you start.
Asegúrate de que la pistola de pegamento esté completamente caliente antes de empezar.