I apply coolant mixed with water from a spray bottle.
http://www.instawares.com/Bottle-16-...2-1290.0.7.htm

I apply Sulfured cutting oil with a spray bottle.

I try to use the coolant for all steel cutting except hack sawing and
chamber reaming, when I use the stinky oil.

--
For choosing to fight, one gets the horrors or war, stress, and possibly
death.
For choosing not to fight, one gets subjugation, humiliation, and
possibly death.
Choose your fights carefully.