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Young woman switching on air conditioner at home
simple electric circuit - lightbulb, switch, battery, wire, ampermeter, voltmeter
Relaxed young hispanic female homeowner sitting on huge comfortable couch, turning on air conditioner with remote controller, switching on cooler system, setting comfortable temperature in living room
Collection of 3d back to school icon isolated on blue, Education and online class concept. Eps 10 Vector.
Fire alarm switch on the wall in shopping mall.

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