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2. Dipterocarp timber classification - Wikipedia

   en.wikipedia.org/wiki/Dipterocarp_timber...

   The following table associates tree species, wood name and wood colour. The Dipterocarp timber classification system was developed by Colin Fraser Symington (1905-1943), a forester at the Malayan Forestry Service, and H. E. Desch, who researched comparative wood anatomy.

3. Apitong - Wikipedia

   en.wikipedia.org/wiki/Apitong

   Apitong may refer to: Apitong, Boac, a barangay of Boac, ... Wood of the Dipterocarpus grandiflorus tree; A character in the Philippine fantasy-themed television ...

4. Janka hardness test - Wikipedia

   en.wikipedia.org/wiki/Janka_hardness_test

   For hardwood flooring, the test usually requires an 80 mm × 150 mm (3 in × 6 in) sample with a thickness of at least 6–8 mm, and the most commonly used test is the ASTM D1037. When testing wood in lumber form, the Janka test is always carried out on wood from the tree trunk (known as the heartwood), and the standard sample (according to ...

5. List of woods - Wikipedia

   en.wikipedia.org/wiki/List_of_woods

   Canadian Wood Group; FSC Lesser Known Timber Species; 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 ...

6. List of inventoried hardwoods in the United States - Wikipedia

   en.wikipedia.org/wiki/List_of_inventoried...

   Native ash species, including white ash (pictured), have been declining rapidly this century due to predation by the emerald ash borer. [1]Silvics of North America (1991), [2] [3] a forest inventory compiled and published by the United States Forest Service, includes many hardwood trees.

7. Hardwood - Wikipedia

   en.wikipedia.org/wiki/Hardwood

   Hardwood from deciduous species, such as oak, normally shows annual growth rings, but these may be absent in some tropical hardwoods. [3] Hardwoods have a more complex structure than softwoods and are often much slower growing as a result. The dominant feature separating "hardwoods" from softwoods is the presence of pores, or vessels. [4]