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Bir Unbiased Görünüm su altı skuteri

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These scuba scooters are generally designed to be neutrally buoyant, which means that they will neither float nor sink, but stay where you left them. POSITIVE BUOYANCY - The Sea scooter is designed for use in salt water and will have less buoyancy in fresh water and may slowly sink https://cuwip.ucsd.edu/members/visiondriver8/activity/275078/

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