Burly Beaver
チャンネル登録者数 7190人
7879 回視聴 ・ 291いいね ・ 2021/01/20
It's not their "hardness". The REAL difference between hardwood and softwood trees (and their lumber) is actually something different. Check out this video to learn more.
Also, in the video I mentioned the Janka Hardness Test numbers from Wikipedia, here's the link if you want to check that out: en.wikipedia.org/wiki/Janka_hardness_test
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