How to tell aluminum from galvanized gutters.

gromicko (Nick Gromicko, CMI) August 1, 2009, 2:33am 1

rray (Russel Ray) August 1, 2009, 4:11am 2

magnet

bkelly2 (Brian Kelly, AZ Cert. # 60234) August 1, 2009, 4:36am 3

ditto

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