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.
The myth that you have to wait 30 minutes or even an hour until you can swim after eating has been conventional wisdom for some time. The simple fact is, however, that swimming on a full stomach does not significantly impact your ability to swim. Duke Health: Myth or Fact -- Wait 30 Minutes After Eating to Go Swimming. 2  NY Times Health; The Claim -- Never Swim After Eating; Anahad O'Connor; June 2005. 3  AARP; Myth Buster -- Swimming After Eating Is Dangerous; Geoff Williams; July 2008.