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DOT Code: 663.685-030

Industry: saw. & plan.
Alternate Titles: backer board

Tends machine that notches boards for use as insulation backing on shakes: Inserts insulation board in jig and butts end of board against stop. Presses pedal to lower punch that notches edge of board to provide for circulation of air when board is installed. Removes board from jig and places board on conveyor.

GOE: 06.04.03 STRENGTH: L GED: R2 M1 L1 SVP: 2 DLU: 77