Engineered Panels Human-made Products in the form of large reconstituted wood sheets.
Rated plywood panels
APA American Plywood Association
Plywood is a sandwich of wood made of sheets of veneer called plies.
Plies are bonded together with glue under high pressure. The grain of each layer is at right angles of each other, resulting in sheet that is strong or stronger than the wood it is made from.
Selecting the proper grade of plywood.
Oriented Strand board (OSB) Non veneered, performance rated structural panel composed of small oriented, strand like wood pieces arranged in three to five layers. Each layer is at right angles.
http://www.consmos.com/images/osb/OSB.jpg
Engineered Lumber
Laminate Veneer Lumber (LVL)
I-joist
Glue laminated lumber