optional, single

—

Inside <model> the model name of an equipment component is given.

<boots>, <buoyancycontroldevice>, <camera>, <compass>, <compressor>, <divecomputer>, <fins>, <gloves>, <knife>, <lead>, <light>, <mask>, <rebreather>, <regulator>, <scooter>, <suit>, <tank>, <variouspieces>, <videocamera>, <watch>

—

see the elements listed as parent elements

see <buoyancycontroldevice> e.g