[Shop-talk] pressure washers

[Randall]

> Would this work to clean up old engine oil stains from concrete?  None of
> the
> products available from the usual hardware stores (Lowes, etc.) seem to
> work.

Best thing I have found is plain old clay cat litter.  Spread it over the
stain, then stomp and grind it into the floor with your shoes.  Let it sit
overnight and sweep up the excess.

Not sure how much it actually removes as opposed to just hiding, but the
result looks good.

Randall