![](https://www.canadianminingjournal.com/wp-content/uploads/2011/01/1000533505-1000533507.jpeg)
Air-tool antifreeze
Most air tool and pneumatic control users are unaware that air lines can freeze at up to plus 40° F. As air pressure drops from 100 psi down to atmosphere through the tool or valve, the compressed air, which is always at 100% humidity,...