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Chapter 3
Trees, the source of wood, have a trunk enveloped by a shielding layer of dead bark. Under the dead outer bark is living bark. Next is the cambium, then ...
Most cone-bearing trees have needle-like leaves and are classified as softwoods, and most hardwood trees have broad leaves that are shed on a seasonal ...
Long, rectangular pieces of wood used in construction are called lumber. Logs harvested from trees are debarked and repeatedly fed through an automated ...
Wood fibers align along the tree's length, giving it up to twenty times higher tensile strength along the fibers than across them. Wood is also ...
Consider an unseasoned lumber used for flooring—the lumber contracts when the moisture evaporates, creating gaps at the joints of the floor. Wood ...
Wood surfacing is done to achieve a smoother finish, ensure more accurate dimensions, and make handling safer. Dimensions of wood are marginally increased ...
Growth defects in wood include knots, which are formed where branches connect to the tree trunk, knotholes that result from loose knots falling out, decay ...
In wood structures, fasteners hold components in place. Connection strength mainly depends on direct member bearing. Different fasteners, like nails, are ...
Veneer is a thin sheet of wood that is produced with a thickness of roughly one-eighth of an inch or less. Positioning a log into a large lathe and ...
Wood products are formed by bonding wood strands, veneers, lumber, and waste materials like wood shreds for structural and nonstructural applications. ...
Standard wood panels used for flooring, siding, and roofing have dimensions of 4 feet by 8 feet in width and length, and their thickness can range from ...
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