... process, log cutting, peeling, dry, handling, hot press, edge trimming, sanding affect the wastage. The wastage is remains of processing (materiality ... bigger, wastage is smaller. Wastage ratio is 6%-9% 7) Sanding: Sanding plywood surface to make it good. Wastage is powder. Veneer ... quality is good, sanding is less. Wastage ratio is 2%-6% 8) Warehousing: Plywood ...