PARTICLEBOARD: A panel or core composed of small particles of wood and wood fiber that are bonded together with synthetic resin adhesives in the presence of heat and pressure.

PLY: A single set of veneer or several strips laid with adjoining edges that may or may not be glued, which forms one veneer lamina in a glued panel. In some constructions, a ply is used to refer to other wood components such as particleboard or MDF. (Medium density fiberboard)

PLYWOOD, HARDWOOD: A panel composed of an assembly of layers or plies of veneer or veneers in combination with lumber core, particleboard core, MDF core, hardboard core, or of a special core material joined with an adhesive. Except constructions, the grain of alternate plies is at right angles and the face veneer is a hardwood species.

SOFTWOOD: General term used to describe lumber or veneer produced from needle and/or cone bearing trees. SM#: Sequenced, matched, and numbered. Veneer taken from same log - cut in sequence. Numbered in order for matched panels.

VENEER: A thin sheet of wood, rotary cut, sliced, or sawed from a log, bolt, or flitch.