What can be the mechanism used in devising a machine that can arrange the dishes properly to make the cleaning faster in the messes/hotels
How can I modify a pair of two-way switches so that the circuit can also be opened or closed remotely using a device?
What is the reason for the intermittent motion and blocking of light during change of frame in Conventional projector?
How is mechanism used in modern projector different from intermittent mechanism used in conventional one?
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