RE: Quake Alarm - Earthquake detector and early warning device.

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Quake Alarm - Earthquake detector and early warning device.

in steemhunt •  6 years ago 

The world we live in is very old, the risk of an earthquake because the shift of the earth's plates will occur at any time, of course this product will be needed as a detector and at the same time a warning signal of danger, good and useful products.

steemhunt
6 years ago by

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