aligned
alternative
arid
blade
clear
countryside
development
ecological
ecology
electric
electrical
electricity
energy
environmental
equipment
farm
field
generator
industrial
innovation
innovative
landscape
line
meadow
mill
modern
natural
new
power
production
propeller
renewable
renewable resources
rotation
row
spain
sustainability
sustainable
turbine
turbines
wind
windfarm
windfarms
windmill
windmills
windturbine