Shorthand version of "Glue Laminated"

To examine lumber or timbers for strength, defects, appearance, etc. according to an established set of rules

A stamp or symbol indicating the grade, quality and or intended use of a piece of lumber, plywood, or other wood product; to be recognized as "grademarked," the product must bear an official stamp issued by a grading agency and applied by a qualified grader, or it must be accompanied by a certificate attesting to the grade

A worker who examines lumber, plywood, or other wood products and assigns it a grade according to an established set of rules; the grader is usually an employee of the mill, but sometimes is employed by a grading agency which charges the mill for his services

An organization that provides grading rules, gradestamps and supervisory services to member producers; the agency is financed by assessing users of the service a rate based on their production

A set of criteria by which to judge various pieces of lumber or plywood in terms of strength, appearance, and suitability for various uses; regional grading agencies draw up rules for grading based on the voluntary product standards issued by the U.S. Bureau of Standards

A general term referring to the arrangement, appearance, and direction of wood fibers. Among the many types of grain are fine, coarse, straight, curly, open, flat, vertical, and spiral; in paper making, the predominant direction in which the fibers are aligned

A heavy set of tongs developed primarily to eliminate large tong holes in logs; used with a log loader equipped with a heel boom for loading logs onto trucks

Unseasoned; not dry, lumber