I can't claim to be an expert on this but a palm sander is usually smaller
and the sanding material moves in only one direction. Random orbital, as
the name implies, moves the sanding material in a random fashion and helps
to prevent sanding marks. I personally find that the random orbital removes
materials faster and is good for sanding of larger flat areas and my palm
sander does well in small areas and light final sanding.
If at first you don't succeed, you're not cut out for skydiving
"Larry Bud" < firstname.lastname@example.org> wrote in message
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