Hiding wood grain

[Geoff Crimmins <gcrimmins-at-yahoo.com>]

I have just started work on a 1/10 scale M1A1 tank.
I'm using 1/8" plywood for the turret and body. I will
use either aluminum or thicker plywood for the lower
hull. For those of you who have used plywood in your
tank construction, how did you fill in or cover the
wood grain to give a more realistic texture? I'm quite
sure a real tank doesn't doesn't have a wood-grain
texture. :) 

--Geoff Crimmins

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