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harbor


(HAR-bur)

a place where boats can safely dock and load/unload cargo

  harbor

solar-powered


(SOH-lur POW-urd)

using light from the sun to make power or heat

  solar-powered

storm drains


(STORM DRAYN)

human-made holes in the street for draining water

  storm drains

clean energy


(KLEEN EN-ur-jee)

any type of energy that does not pollute the air when used (e.g., solar, wind)

  clean energy

fuel


(FYOO-uhl)

something that is burned to make power (e.g., gas, coal, wood)

  fuel
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