allen wrench, countersink, fletching, chamfer, protractor, jamb, stud finder, snell, tenons, spile, mortice, reamer, keyways, clove hitch, handwheel, overhand knot, dowel, needlenose pliers, hex nut, nosepiece, torque wrench, darning needle, unthreaded, shimming, pegboard, piston rod, capstan, sheave, bullnose, squareness, gimbals, ogee, splines, knurled, moldboard, equilateral triangle, idler pulley, wind vane, drum sander, sawhorse, soleplate, piton, headpin, tailstock, adjustable wrench, trunnion, clevis, gooseneck, rhombus, multimeter, corbel, goniometer, tachymeter, plier, welting, socket wrench, mandrels, gnomon, crosshatching, adz, crosspieces, treadle, isosceles triangle, counterweighted, electric sander, embroidery hoop, hosel, awl, karabiner, pebbling, swage, crochet hook, dihedral, watchcase, crosshead, oarlocks, microswitch, canting, casement window, posthole, concentrically, theodolite, bowline, skeg, reeded, threader, satin stitch, octagons, nailer, straightness, laths, locknut, lathed, bevel, eggbeater, waviness, caliper, levelness, detents, tesserae, newel, clawlike

perpendicular, plumb line

bob

plumb, plummet