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Building a Manatee Boat Alarm
Manatees can't hear the low sounds of boat engines, which is why the animals are frequently injured, a researcher says. A high-pitched alarm could solve the problem.
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Building a Manatee Boat Alarm
Manatees can't hear the low sounds of boat engines, which is why the animals are frequently injured, a researcher says. A high-pitched alarm could solve the problem.
Date: 12-07-16
Views: 623

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