builder building carpenter concrete construction craft joiner Nyberg tool wall wedge wedges wood communication computer computer cables computer wires connectors cords electronic hardware hardware connectors internet joiners Keywords: cables media pile plugs power sockets web wires angles appearance cylindrical dowel dowel-pins dowel-rod doweling dowelling dowels fit fitting fluted furniture grooved grooves join joining peg pegged pegs rod shape shaped shapes surface surfaces texture textured textures wooden