This picture shows some of the basic diving equipment
and controls:
1) the diving mask
2) the demand valve of the diving regulator
3) the buoyancy compensator inflation and vent valves
4) an alternate buoyancy compensator vent valve
5) shoulder straps of the BCD, which can be released by another
diver in case of emergency
6) a depth gauge - showing 23 metres
7) the contents gauge displaying remaining pressure in the
diving cylinder - showing 150 bar |