How strong is plywood, MDF, OSB, particle board vs. solid wood

Описание к видео How strong is plywood, MDF, OSB, particle board vs. solid wood

Testing some samples of plywood, Baltic birch (Russian birch), MDF, particle board and OSB. Also testing these against pine and birch.

More about my wood strength testing machine at:
http://woodgears.ca/wood_strength/

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