perforations, flange, countersink, pipe, reamer, hex nut, spile, housings, bedplate, bushing, backplate, wellhead, psi, piston rod, sidewall, nozzle, tieback, flue pipe, annulus, gasket, faceplate, keyways, firebox, bezel, shaft, permeabilities, baseplate, chamfer, mullion, sump, microswitch, swage, rustproof, cermet, sleeving, adjustable wrench, heat exchanger, watchband, casement, volute, dacron, stainless steel, inconel, concentricity, beveling, preventer, encasement, radiator, shimming, firebrick, zechstein, tubing, candelilla, weld, cryostat, stopcock, coating, clamshell, insulative, pintle, overpressure, capillary tubing, stiffeners, sunblind, handwheel, grout, cofferdam, hasp, platens, device, ear canal, exterior, needlenose pliers, drip pan, jointer, karabiner, riser pipe, multimeter, stud finder, swarf, bullnose, jamb, peltier, oilwell, mandrel, brightwork, compressor, sheave, weldment, eyehole, eyebolt, cavity, trunnion, cotter pin, inlet manifold, silicone rubber, deckle, jalousies, tappet, heatproof, chrome, cementation, casings, shell, cylinder, sheathing, rod, container, cylinders, plunger, axle, cage, ferrule, hoop, lid, moulds, plate, spool, acting, engraved, grooved, perforated, piston, pressure, valve, burr, compressed, coral, cut, flanged, highpressure, hollow, hollowed, hydraulic, impeller, iron

gearbox, gear case, jacket

., banger, boot, cartouch, cartouche, cartridge, cornice, cracker, firecracker, gearbox, gear case, general-purpose bomb, gp bomb, inner tube, jacket, lambrequin, pelmet, penetration bomb, radial, radial-ply tire, radial tire, shell, tire iron, tire tool, valance, valance board

door, doorway, grandfather clock, longcase clock, pneumatic tire, pneumatic tyre, room access, threshold, window

covering, frame, framework, framing, housing

case, shell