DEVICES
ELECTRICAL OPTICAL MECHANICAL MISCELLANEOUS

fuse
   bomb
   car
   domestic
   fusebox

hi-fi
   amplifier
   CD-player
   loudspeaker
   tuner
   valve

plugs & sockets
   earth
   switch

pylon

binoculars
camera
   flashgun
   tripod

lens
   contact lens
   focal point
   frame
   magnifying glass
   monocle
   telephoto lens
   wide-angle lens

microscope
telescope
torch
   blowtorch

gauge
gear
   cogs
hinge
hook
   boathook
   coathook
   fishhook
   picture hook
   screwhook

jet
   fan
   turbine

padlock
   chain
   links

pump

   bicycle pump
   car water-pump
   central-heating pump
   oil pump
   stomach pump

accessories
bell
bin
   litter bin
   wheely bin

boiler
broom
   kerb
   pavement

brush
   dustpan
   hairbrush
   paintbrush
   toothbrush
cleaver
drain
   drainpipe
easel
   canvas
   palette

hub
   hub cap
   transport hub
   wheel hub

link
   chain
   cuff
   cuff-links
   URL

needle
   cotton reel
   thimble
   thread

peg
   clothes peg
   coat peg
   tent peg

scissors
   nail-clippers
   secateurs
   shears


spike
   hedgehog
stilts
tent
   camp chair
   tent peg

wand
   magician
watch
   pocket watch
   winder
   wrist
wedge
wing

   washer
   wingnut