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2. Lumber - Wikipedia

   en.wikipedia.org/wiki/Lumber

   A common 50 by 100 mm (2-by-4-inch) board. Dimensional lumber is lumber that is cut to standardized width and depth, often specified in millimetres or inches (but see below for information on nominal dimensions vs. actual dimensions). Carpenters extensively use dimensional lumber in framing wooden buildings.

3. Pinus strobus - Wikipedia

   en.wikipedia.org/wiki/Pinus_strobus

   The seed cones are slender, 8–16 cm (3 + 1 ⁄ 4 – 6 + 1 ⁄ 4 in) long (rarely longer than that) and 4–5 cm (1 + 1 ⁄ 2 –2 in) broad when open, and have scales with a rounded apex and slightly reflexed tip, often resinous. The seeds are 4–5 mm (5 ⁄ 32 – 3 ⁄ 16 in) long, with a slender 15–20 mm (5 ⁄ 8 – 3 ⁄ 4 in) wing ...

4. Sequoia sempervirens - Wikipedia

   en.wikipedia.org/wiki/Sequoia_sempervirens

   Redwood cone scales begin to open mid November, with seeds dispersing by the wind. Sequoia sempervirens ( / səˈkwɔɪ.ə ˌsɛmpərˈvaɪrənz /) [3] is the sole living species of the genus Sequoia in the cypress family Cupressaceae (formerly treated in Taxodiaceae ). Common names include coast redwood, coastal redwood and California redwood.

5. Engineered wood - Wikipedia

   en.wikipedia.org/wiki/Engineered_wood

   The panels vary in size but can range upwards of 64 by 8 feet (19.5 by 2.4 m) and in the case of cross-laminated timber (CLT) can be of any thickness from a few inches to 16 inches (410 mm) or more. These products are engineered to precise design specifications, which are tested to meet national or international standards and provide uniformity ...

6. Parallel-strand lumber - Wikipedia

   en.wikipedia.org/wiki/Parallel-strand_lumber

   A PSL block. Parallel-strand lumber ( PSL) is a form of engineered wood made from parallel wood strands bonded together with adhesive. It is used for beams, headers, columns, and posts, among other uses. The strands in PSL are clipped veneer elements having a least dimension of not more than inch (6.4 mm) and an average length of at least 300 ...

7. Wood industry - Wikipedia

   en.wikipedia.org/wiki/Wood_industry

   Wood is relatively light in weight, because its specific weight is less than 500 kg/m 3, this is an advantage, when compared against 2,000–2,500 kg/m 3 for reinforced concrete or 7,800 kg/m 3 for steel. [citation needed] Wood is strong, because the efficiency of wood for structural purposes has qualities that are similar to steel. [citation ...