lumber

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lumber,

term for timber that has been cut into boards for use as a building material. The major steps in producing lumber involve logging (the felling and preparation of timber for shipment to sawmills), sawing the logs into boards, grading the boards according to defects and intended use, drying, and finishing the rough boards into smoother products. Among the leading lumber-producing countries in the world are Russia and the United States, which together produce over 50% of the world's lumber supply. In the United States, Maine early took the lead in production, but as the industry spread the forests of the West acquired increasing importance and Oregon, Washington, and California became leading producers. More recently, the forests of the S United States have taken over a large share of lumber production. Lumbering was one of the first industries in North America—its first exports were ship timbers. Logging was a frontier industry, the work being rough, dangerous, and difficult. Romantic, exaggerated stories and legends of the feats of the lumberjack are a colorful chapter in U.S. folklore. For lumber cuts and preparations, see woodwood,
botanically, the xylem tissue that forms the bulk of the stem of a woody plant. Xylem conducts sap upward from the roots to the leaves, stores food in the form of complex carbohydrates, and provides support; it is made up of various types of cells specialized for each of
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Bibliography

See N. C. Brown, Lumber (2d ed. 1958); R. E. Pike, Tall Trees, Tough Men (1967); L. Blanchard, The Lumberjack Frontier (1969).

Lumber

Timber that is sawn or split in the form of beams, boards, joists, planks, or shingles; refers especially to pieces smaller than heavy timber.

Lumber

 

materials (beams, boards, scantlings) produced by sawmilling. Depending on the method of sawing, lumber may be quarter-sawn, flat-sawn, or combined sawn. Lumber with edges finished by sawing is called square-edged, while material without finished edges is called rough. That which has been further processed after sawing in order to smooth the surface or to produce specially shaped surfaces is called dressed. Lumber is used for construction and for making packing containers, furniture, and other articles.

lumber

[′ləm·bər]
(materials)
Logs that have been sawed and prepared for market.

lumber

Timber sawn or split in the form of beams, boards, joists, planks, etc., esp. that which is smaller than heavy timber. Also see board, 1, dimension lumber, matched boards, and yard lumber.

lumber

Chiefly US and Canadian
a. logs; sawn timber
b. cut timber, esp when sawn and dressed ready for use in joinery, carpentry, etc.
c. (as modifier): the lumber trade
References in periodicals archive ?
The goal of this study was to understand drying behaviors of the different regions in black spruce wood logs. Results indicate that water is lost from the entire length of the log as drying progresses.
However, the volume of heartwood is greater than sapwood in wood logs. The sapwood region contains most of the water; therefore a measurement in the sapwood, coupled with sapwood-to-heartwood volume proportions and an estimate of heartwood MC, provide a viable estimate of bulk MC of logs.
These include wood logs, wood pellets, wood chips, untreated dry wood, hardwood offcuts, softwood offcuts, chipboard ...
Similarly, in Binjharpur block the, bandh was organised from morning to evening and BJD supporters were seen burning tyre and blockading road by keeping wood logs on the road.
This means that any number of wood-based products, from shavings to paper and card-board, can be used in addition to the standard wood logs. What's more, it can also make use of a variety of other organic sources, such as grain and corn, meaning that waste or spoiled material can be put to use.
For a neat and eco-friendly border, try rocks, locust wood logs, natural landscape timbers such as those made with recycled materials like rubber tires, or dig a small trench if you're pain-free from the lack of digging you've had to do so far!
It is due to this capacity that wood logs and sawdust are now used as substrates to cultivate this variety.
Whisper Creek Log Homes of Alberta, Canada, opened a production facility at Mountain Home where it will manufacture homes using real wood logs as a facing.
To complete the company's 'total processing' philosophy, the wood chips, wood logs in various types and a complete spares stock holding are available directly from Interfood.
The wood logs must provide habitat and hydraulic functions until new riparian corridors can deliver natural wood to the streams.
There are different experts for separate departments, while some are involved in painting others cut or design the wood logs used in the chariot preparation.
According to Karachi fire brigade sources, fire broke-out at a godown near Chakara Hotel, New Subzi Mnadi near M-9 Motorway that soon engulfed wood logs and other materials stored there.