Answer: blowpipes

AnswerCrossword Clue
BLOWPIPESAir-concentrating tubes
BLOWPIPESPeashooters.
blowpipesA long tube by means of which molten glass is blown into the required shape
blowpipesA tube used to intensify the heat of a flame by blowing air or other gas through it at high pressure
blowpipesBLOWPIPE, a blow gun