Answers

2014-05-18T13:40:05+05:30
Hail pads are essential to CoCoRaHS's mission to measure, map and study hail. They are fairly easy to construct with the right materials.
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2014-05-18T13:44:33+05:30
Instrument used to estimate the strength of  hail stones .it consist of receving plate made up of rigid ,easily deformed material,covered with aluminium foil,and exposed horizontally 1 m above ground.
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