Bucking is the process of cutting a felled and delimbed tree into logs. This can be a complicated process because logs destined for plywood, lumber, and pulp, each have their own price and specifications for length, diameter, and defects. Delimbing is the process of removing side branches from the stem of a felled tree. ... Model constructed from plywood. ... Lumber is the name used, generally in North America, for wood that has been cut into boards or other shapes for the purpose of woodworking or construction. ... International Paper Company Wood pulp is the most common material used to make paper. ...