S4S means surfaced on all 4 sides.
KD stands for Kiln Dried.
Square all 4 sides.
Smooth 4 sides. All four sides have been planed.
Eased 4 Edges S4S = Surfaced 4 Sides
Board feet is the unit measure of rough lumber. Linear feet is the unit measure of S4S lumber. (smooth 4 sides)
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If its on facebook pages, it means Share4Share
It means support for support.
Kdjjdmjkemkem is not a
Kuwaiti Dinar (KWD or KD)
KD Avia was created in 2005.