lance, spear, barb, screw, tool, shot, beam, gibe, jockey, dig, more...

opening, exterior, outside, surface, whole

drive, pump, axle, cam, input, output, main, counter, intermediate, more...

main, vertical, central, long, hollow, single, horizontal, crank, wooden, solid, circular

mine entrance,   mine entrance,   part of a column,   coal mine entrance,   golf club parts,   arrow parts,   vertical tunnel,   mine access,   umbrella rod,   boot part,   the arrow