1) Mine vent 2) Vent, typically
Found on
https://www.crosswordclues.com/clue/airshaft
In manufacturing, an airshaft is a device used for handling winding reels in the processing of web-fed materials, such as continuous-process printing presses. Airshafts also called Air Expanding shafts are used in the manufacturing processes for fitting into a core onto which materials such as paper, card and plastic film are wound. An airshaft is...
Found on
http://en.wikipedia.org/wiki/Airshaft
No exact match found.
