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Old 07-07-2015, 05:13 AM   #43
FF
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Join Date: Oct 2007
Posts: 22,553
An orbital sander is for trim and tiny spots.

The use of a grinder with floor sanding paper is for cleaning large rough areas very quickly.

A Dutch friend borrowed my set up and wooded the bottom of a 50 ft deep draft sailboat with ONE piece of sanding sheet, took much of a day, I did say he was Dutch tho.
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