This course walks students through the special techniques, planning procedures and skills that set technical diving apart from traditional sport diving. (pacificprodive.com)
But diving deeper than sport diving depths is for specialists only and cave diving requires even more training and equipment. (ambergriscaye.com)
In fact, as long as you stick to sport diving parameters, you can get life insurance (unlike sky divers, for example). (dotearth.blogs.nytimes.com)