When i was at my co-op at a diesel repair shop for school i had to steam clean all the semi's that came in before they got repaired and all we did there was park the truck over the grease trap and have at'er.
When the floor in the shop got to greasy we just had one of those sealed tanks that you...
I like to put a cut-off wheel on it to cut out a rusty section on my car or to cut out a new patch panel and if my cut is less than perfect i'll use the carbide cutter to smooth any bad cuts so that i get a perfect fit on my ****-weld.
It's kinda hard to explain, i actually use the cut-off...
I've had my Caterpillars for about a year now and they are some of the most comfortable work shoes I've worn. They get over 60 hours of use a week at an autobody shop, so i'm on concrete all day and the sole has hardly worn down. With the extra ankle support my feet don't feel tired at all...