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Drone-sprayed bear repellent undergoes testing in northeastern Japan city

KITAAKITA, Akita -- A nonprofit group has started spraying a bear repellent by drone in this northeastern Japan city as part of a demonstration experi

  • Northeastern Japan tests drone-sprayed bear repellent in Odate city.
  • Repellent uses wood vinegar from charcoal production, developed by Kemusa.
  • Test to assess efficacy over 300 meters, initiated due to recent bear sightings.

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