Or some reason Dave Gingery is big on using auto body putty as if it were wood filler.

High quality, anti-clogging, good softness, water-resistance, acid-resistance. For polishing and finishing of ship, car, machine putty and finishing precision instrument.

Manufacturing industries such as automotive, railway locomotives, passenger cars, wind power, putty sanding, fiberglass grinding process to produce large amounts of dust, the serious pollution.