The plywood sheet is a panel-shaped wood-based material made from several thin layers of wood (the plies or wood veneers) that are glued crosswise (90 ° angle to each other) along the grain.
A block board is useful in the area where it is likely exposed to humidity and water prone areas. It has good dimensional stability so is highly resistive to wrapping and cracking.
A wooden door sheet is made for use in the various places. The veneer is cut into sheets of a certain size and glued in several layers. It is a structural wood product made from softwood veneer.