An explanation of the American hardwood lumber grades by NHLA

[@CaralieClark-qy3xp]

This video was incredibly informative! The speaker really broke things down in a way that even a layman like me can understand.

[@amrita32324]

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[@tiladx]

Very well done. I especially appreciate the graphics and writing of the formulae to help illustrate what is being explained.

[@danielheit9487]

Nicely done 😊

[@Daniel_Vidar]

American lumber with American grades 👍

[@KPVFarmer]

Great information, thanks

[@ExistentialChroma]

why are we supposed to divide by 3