UAV's for field diagnosis
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August 20, 2019
August 20, 2019
July 29, 2019 | 4-H
March 18, 2019
February 13, 2019 | 4-H
February 8, 2019
January 15, 2019
December 7, 2018
October 29, 2018
September 25, 2018
