Englishfor English speakers
recycling
Noun
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Recycling is when old materials are made into something new for reuse instead of being thrown away as garbage.
detector
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noun
any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner
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noun
electronic equipment that detects the presence of radio signals or radioactivity
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noun
rectifier that extracts modulation from a radio carrier wave