digital tablet
デジタルタブレット
environmental
alternative
blade
blowing
child
conservation
diminishing
display
efficiency
electricity
energy
environment
fuel
generation
generator
girls
global
hair
hands
home
house
image
industry
isolated
kid
mill
nature
nobody
people
perspective
power
propeller
recycling
service
supply
tablet
technology
teenager
teens
touchpad
turbine
warming
white
wind
windmill