Answer: blowpipe

AnswerCrossword Clue
BLOWPIPEFlame intensifier
BLOWPIPETube on a welding tool
blowpipeA tube used to intensify the heat of a flame by blowing air or other gas through it at high pressure
blowpipeA long tube by means of which molten glass is blown into the required shape
blowpipea blow gun