Test #2

Front

Warp

Back

Rotting/Decaying wood due to fungus

Front

Checks

Back

splits along grain lines in the middle of the board

Front

Knots

Back

reduce the strength of a board

Front

Cup

Back

curve across width along the end

Front

Bow

Back

curving along length of edge of the board

Front

Warp

Back

twisiting along the length

Front

What kind of foam has the little white beads ?

Back

styrofoam (expanded polystyrene)

Front

What kind of foam is the Blue/pink foam

Back

Extruded polystyrene

Front

Most sheet materials come in what width and length ?

Back

4'-0" wide x 8'-0" long

Front

Which sheet material comes in a different width and length ?

Back

plywood