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[5] Hardwood from North American trees has a variety of commercial uses, including in furniture, carpentry, tools and musical instruments. Some timber is milled for plywood, wood veneer and construction framing, including structural support beams and studs. Logs can be fashioned into posts and poles.
The wood is dense and very hard, difficult to plane, but drills, sands and turns well. It is termite resistant. It was once used for railway sleepers and is now prized for ornamental work and furniture. It burns very slowly with intense heat, and is often used for a fire which is intended to burn all night in order to keep wild animals at bay.
Quebracho [keˈβɾatʃo] is a common name in Spanish to describe very hard (density 0.9–1.3) wood tree species. The etymology of the name derived from quiebrahacha, or quebrar hacha, meaning "axe-breaker". The corresponding English-language term for such hardwoods is breakax or breakaxe. [1]
Lignum vitae is hard and durable, and is also the densest wood traded (average dried density: ~79 lb/ft 3 or ~1,260 kg/m 3); [4] it will easily sink in water. On the Janka scale of hardness, which measures hardness of woods, lignum vitae ranks highest of the trade woods, with a Janka hardness of 4,390 lbf (compared with Olneya at 3,260 lbf, [5] African blackwood at 2,940 lbf, hickory at 1,820 ...
In both groups there is an enormous variation in actual wood hardness, with the range in density in hardwoods completely including that of softwoods; some hardwoods (e.g., balsa) are softer than most softwoods, while yew is an example of a hard softwood.
The invention of the use of Guaiacum for syphilis. The genus is famous as the supplier of lignum vitae, which is the wood of several species in the genus. [citation needed] It is the fourth-hardest variety of wood as measured by the Janka hardness test, requiring a force of 4,500 lb f (20,000 N) to embed a steel ball 0.444 in (1.13 cm) in diameter half that distance into the wood.
NCSU Inside Wood project; Reproduction of The American Woods: exhibited by actual specimens and with copious explanatory text by Romeyn B. Hough; US Forest Products Laboratory, "Characteristics and Availability of Commercially Important Wood" from the Wood Handbook Archived 2021-01-18 at the Wayback Machine PDF 916K; International Wood ...
The common English name hornbeam derives from the hardness of the woods (likened to horn) and the Old English beam, "tree" (cognate with Dutch Boom and German Baum).. The American hornbeam is also occasionally known as blue-beech, ironwood, or musclewood, the first from the resemblance of the bark to that of the American beech Fagus grandifolia, the other two from the hardness of the wood and ...
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