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Simple Earthquake Alarm

Jul 30th 2008
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DIY earthquake Alarm.jpg

This tool is very useful for aftershock,and it is very easy to make

Materials: one fishing rod,one fishing bell

Installation:1. install the fishing bell on the fishing rod.

2.put it into a room where must easy to monitor and no wind

The small aftetshocks will make the tip of fishing rod shocked and the bigger aftershocks will make the bell rang.

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