It’s common knowledge that wood comes from trees. What may not be so apparent is the structure of the wood itself, and the individual elements that make up any given piece of lumber.

This presentation will provide an introductory review of wood species and grades, and the impact of these factors on structural properties and durability. Grading rules, design properties and …

Decay or rot The breaking down of the wood substance by fungi. The discoloration of the sapwood indicates the initial evidence of decay.

Although shrubs and many vines form wood, the remainder of this chapter will focus on wood from trees, which are the predominant source of wood for commercial and engineer-ing applications and provide …

Products that Used to be Made From Wood (Some of these may still be made from wood for specialty products.)

“The additional duties imposed by headings 9903.01.25, 9903.01.35, 9903.01.39, 9903.01.63, and 9903.02.01–9903.02.73 shall apply to wood products provided for in heading 9903.76.04, but shall ...

Hardwoods–and some softwods–continue to be one of the prime components in furniture, cabinet, and woodwork manufacturing. What follows are general uses and working and drying characteristic of the …