What equipment is required for scuba diving?
Scuba diving requires
 * An air (or enriched air) tank
 * Breathing device - typically an open circuit regulator or a closed circuit rebreather
 * Buoyancy Control Device (bcd)
 * Depth gauge
 * Submersible Pressure Gauge
 * Dive Computer or Watch
 * Mask
 * Fins
 Optional equipment
 * Wetsuit
 * Weights
 * Surface Marker Buoy
 * Dive Light