atomic energy,power,molecule
energy,renewable,source
wind energy,power,solar
shower,water,shower bath
solar,renewable,alternative
hydrogen energy,fuel,tidal
gear,wheel,cycle
gear wheel,spin,wheel
wheel,gear,gear wheel
round,wheel,gear

gear,wheel,source
axes,axis,spindle
tyre,flat,rubber
gear,wheel,typr,
pentagon,group,shape
bone,death¡¯s bone,skeleton
skeleton,bones,human
vacuum tube,thermometer,tool
facility,tool,vacuum tube
utensil,test,tube

vessel,tube,drop
lighter,coal oil,power
gas mask,respirator,mask
vessel,container,roundtube
tube,funnel,experiment
waterfaucet,hydrant,filter
pipe,cannulation,valve
liquid,flow,drop
cherish,resource,water
pick,hand,save

entrance,sign,emergency
sign,guide,warning
indicator,sign,mark
frisbee,round,design
symbol,design,sign
direction,indicator,guide
logo,sign,graphic
flash light,light,sign
glass,sunglass,glassware
substation,launcher,transformer

transformer,power,distribution
wind,windmill,energy
wind,windmill,power
bulb,light,lamp
fire,candle,bright
enlighten,light,electric
lamp,light,bulb
bright,shining,light
packer,vessel,container
barrel,bucket,vessel

Gasoline,barrel,container
watering can,pot,kettle
tube,sprayer,splash
injector,syringe,injection
plug,junction,wire
cable plug,electric,wire
socket,connector,plug
plug-ins,wires,pinout
plug switch,cable,wire
socket,electrical outlet,connector