In the context of hand blade sharpening, honing oil is used on a sharpening stone to protect the stone, carry away the debris ( swarf ), and to more efficiently produce a keen edge on a metal blade such as a knife.
32.
In computer numerical control ( CNC ) machine tools a process called " ", or " interrupted cut drilling ", is used to keep swarf from detrimentally building up when drilling deep holes ( approximately when the depth of the hole is three times greater than the drill diameter ).
33.
The other shepherd is just as convinced that the Jacobites " " did pursue / The horsemen back to Forth, man " " with the eventual result that " " . . . mony a huntit, poor Red-coat / For fear amaist did swarf, man . ""
34.
Similarly, it is also standard training for machinists, and usually a standing workplace rule, to minimize or entirely avoid handling swarf by blowing chips away with compressed air, but this practice is considered burdensome or impractical by some machinists-the rule of thumb is to reduce the potential hazard by trying to eliminate the problem as far as reasonably practicable this could simply be done by keeping a clean working environment.
35.
Fires can spread so quick some-times that the company I worked for and many other companies, trained some of their staff, so that if an incident occurred we could either quickly deal with it ourselves ( and not do something stupid like spaying water on burning aluminium swarf ) so by the time it took the fire brigade to arrive, other employees did not end up as the blackened chard corpses that we saw in the training films.