object

sky

field

outdoor

environment

plant

rural

wind

energy

natural

blade

electric

electrical

electricity

industrial

power

supply

technology

landscape

industry

ecology

agriculture

clear

clean

conservation

eco

environmental

planet

recycling

clouds

safety

alternative

mast

hill

generator

turbine

windmill

watts

innovation

rotation

propeller

safe

rotate

resources

source

marvelous

renewable

sustainable

generating

global warming