Not all hardwood trees have hard wood and softwoods soft wood, because these terms denote their taxonomic ancestry, not the wood's actual hardness.
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- Angiosperm: a plant that has flowers and produces seeds enclosed within a carpel.
- Gymnosperm: a plant that has seeds unprotected by an ovary or fruit.
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REFERENCES
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Cywa, K. Trees and shrubs used in medieval Poland for making everyday objects. Veget Hist Archaeobot 27, 111-136 (2018). doi.org/10.100...
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Wei-Dan Ding , Ahmed Koubaa , et al. (2008)
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WOOD Magazine Staff. “What Is the World's Hardest Wood?” WOOD Magazine, WOOD Magazine, 17 Jan. 2019, www.woodmagazi....
Негізгі бет Why Hardwoods Are The Softest Woods
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