air bubble

air bubble synonyms

spiracle compare air bubble and spiracle
blowhole compare air bubble and blowhole
venthole compare air bubble and venthole
valve compare air bubble and valve
vent compare air bubble and vent
air hole compare air bubble and air hole
duct compare air bubble and duct
outlet compare air bubble and outlet
blowoff compare air bubble and blowoff
flue compare air bubble and flue
inlet compare air bubble and inlet
shaft compare air bubble and shaft
passage compare air bubble and passage
safety valve compare air bubble and safety valve

air bubble antonyms