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invention vocabularies
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a source of electric power used for powering electrical devices, such as flashlight, phone.
Battery
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a special kind of aircraft that has no engine
Glider
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aircraft consisting of a bag, called an envelope, which contains heated air.
hot-air balloon
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round glass part of an electric light or lamp which light shines from
lightbulb
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flying vehicle with fixed wings.
Airplane
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four wheeled motor vehicle used for transportation.
Automobile
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a train powered by electricity
Electirc train
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a small, unique-use mechanical or electronic device.
gadget
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