They can also cut mortises and tenons. Whichever design is used, wooden timbers should have square ends without mortise and tenons. These wooden pieces are joined by mortices and tenons. These wooden pieces were joined by mortices and tenons. It is also commonly used to clean up dadoes (housings) and tenons for joinery. The ship was built with planks and keel of Lebanese cedar and oak tenons. The tenons are inserted into vertical grooves in periodically spaced vertical posts ("coulisse)". If the tenons are tusked then the chair may be quickly "dismantled" for shipping. The shoulder plane is used to trim the shoulders and faces of tenons. It uses the same cutter design as the original Domino, yet uses much larger tenons. The remains of a perforated roof comb survive, with tenons that once supported stucco decoration. The lid of the outer coffin was attached to the base by eight tenons.