There have been new ideas and ways to find items like The Mailbox. This system is a tube that is bent at a 90 degree angle, one end is placed by the propeller, and the other is placed near the ocean floor. When the propellers are activated,
There have been new ideas and ways to find items like The Mailbox. This system is a tube that is bent at a 90 degree angle, one end is placed by the propeller, and the other is placed near the ocean floor. When the propellers are activated,