practising-hand-signals-for-their-Padi-Open-Water-Diver-Course-in-the-swimming-pool-together-with-their-Padi-instructorBy Scuba Admin / October 1, 2009 practising-hand-signals-for-their-Padi-Open-Water-Diver-Course-in-the-swimming-pool-together-with-their-Padi-instructor Diving lessons offer a fun, friendly environment for learning the sport of diving