actual
blade
countryside
development
ecological
ecology
electric
electricity
energy
environment
environmental
farm
generate
generator
generators
green
greenhouse effect
industrial
innovation
innovative
line
mill
modern
plant
production
propeller
renewable
renewable resource
rolling
rotate
rotation
row
rowing
spin
station
sustainability
sustainable
system
technology
turbine
voltage
wind
wind energy
windfarm
windfarms
windmill