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A Garage door opener is a piece of equipment used for opening and closing garage doors. Most models are remote controlled. Garage door openers are simple but extremely useful devices. So much so, that it’s hard to imagine living without them now.
The first garage door opener consisted of a radio transmitter, a receiver and an actuator to open or close the door. In this the receiver would detect a change in the amplitude and would open or close the door. However there was a…
garage door openers
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