AC accessory adapter adhesive aerate aerosol air conditioning air lock airtight alarm android antenna arm attachment axle baffle ball bearing ballcock barrel bearing belt benzine binder binoculars block and tackle blower boarding bolt brad brake fluid brush bucket buffer bulb Bulldog clip button buzzer cable calibre cam can car carriage cartridge casing caster catalytic converter centrifuge channel chicken wire chute cladding clamp cleat cog cogwheel combination lock compartment compressor concave concavity configuration control cord counter crank cutout cyborg cycle damper detector develop device dial die digital dispenser dissipation distill drum duct durable goods dynamite(n) dynamite(v) energize engage exhaust extractor facility fail-safe faucet feed fiberglass fibreglass field test filament filter first generation fitting flange flare flex floodlight fluid fluoridate flush flywheel foam frame framework funnel gabardine gasket gas turbine gear gel gelatinous gelignite genetic fingerprinting glaze glue goggles grab grease(n) grease(v) grid grind grindstone grommet gum gun hand-held handle handloom handmade handsfree hardware harness hasp heavy-duty heavy metal hessian high-definition high-powered hinge hooter housing hub humidifier incinerate incinerator industrial arts inlay inlet inoperative insecticide inset install installation instrumentation insulate intake internal combustion engine inverse ionizer iron(n) iron(v) jack jib key keyboard key card keypad keystroke kingpin laser LCD lead lens lever lie detector lift light bulb linseed oil listening device locomotion loop Luddite machine machine-made magnet magnetic magnifying glass mantle manual map marker mastic material mechanism medium membrane mesh metal detector methanol meths methyl alcohol mica micro- microscope microscopic mode mortise lock mounting movement nail(n) nail(v) net nib nipple nitroglycerine nozzle nut oil oilcan operable operate operation operational research operator outlet oxidize oxygen mask ozone-friendly pad padlock paper part paving Photostat pinion pipe pipette pocket calculator pointer polygraph portico propellant pump-action rack reel refrigerate release(v) release(n) remote control reservoir resolution respirator robot robotics safe sealant sealer searchlight sensitize setting shovel(n) shovel(v) siphon siren skeleton key slat slide sling smoke alarm sonic soot spare part spigot spool spout spray spray can spring sprocket staple steel wool sucker suction Superglue swivel tab tackle tank tape taper technological technologist technology technophobe telescopic testing ground test tube thinner thread token treadle trestle trestle table tube tubing tubular two-edged typewriter unscrew untreated vacuum-packed vent vial washer water softener waterspout wheeled wing nut wooden work-surface zapper