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Lumber is the most common and widely used method of sawing logs. Plain sawn lumber is produced by making the first cut on a tangent to the circumference of the log. Each additional cut is then made parallel to the one before. This method produces the widest possible boards with the least amount of log waste.
The history of the lumber industry in the United States spans from the precolonial period of British timber speculation, subsequent British colonization, and American development into the twenty-first century. Following the near eradication of domestic timber on the British Isles, the abundance of old-growth forests in the New World posed an ...
The construction frames of a residential subdivision in Rogers, Minnesota in 2023. Framing, in construction, is the fitting together of pieces to give a structure support and shape. [1] Framing materials are usually wood, engineered wood, or structural steel. The alternative to framed construction is generally called mass wall construction ...
Stud is an ancient word related to similar words in Old English, Old Norse, Middle High German, and Old Teutonic generally meaning prop or support. [1] Other historical words with similar meaning are quarter [1] and scantling [2] (one sense meaning a smaller timber, not necessarily the same use).
Laminated veneer lumber (LVL) is an engineered wood product that uses multiple layers of thin wood assembled with adhesives. It is typically used for headers, beams, rimboard, and edge-forming material. LVL offers several advantages over typical milled lumber: Made in a factory under controlled specifications, it is stronger, straighter, and ...
A flat and straight length of some material, usually wood, steel or aluminium, which provides a reference for tools to work against, or which prevents the work from sliding. fiber. Also spelled fibre. The fine tube-like structure of wood which is hollow and determines the grain direction. figure.
Toe board. A roofing toe board is one of the most basic pieces of safety equipment a roofer can use. A toe board is a long piece of 2 inch x 4 inch (a 2x4) wood nailed horizontally along a roof in various places. Most roofers work in a variety of weather conditions, sometimes severe heat, and resist wearing an apparatus such as a safety harness.
The dimensions that can be formed from a given collection of basic physical dimensions, such as T, L, and M, form an abelian group: The identity is written as 1; [citation needed] L 0 = 1, and the inverse of L is 1/L or L −1. L raised to any integer power p is a member of the group, having an inverse of L −p or 1/L p.