The Iranian threat, of course, is real, but its immediacy gets turned on and off by the Prime Minister like a faucet. In this tube the coals were placed, and when the water in the urn was hot, it could be drawn off by means of a faucet at the side. The drip-drip of water from the faucet sounded loud in the quiet.
After multiple dives per day or multiple days of diving, a minimum surface interval of 18 hours is recommended. If you had to do a decompression stop during a dive, the recommended time to wait before flying is a bit more of a gray area.
We start cage diving in the surface cages on the first day, and usually wait until the second day to lower the submersible cage dives to the bottom. After a test dive to orientate new divers with the shark cage, divers are encouraged to enter and exit the cages at their leisure.