Assertion: diver | /r/HasProperty | trained in procedure
Facets:
value: for donating and receiving breathing gas
type: PURPOSE
Source sentences:
text: Divers are trained in procedures for donating and receiving breathing gas from each other in an emergency, and may carry an independent alternative air source if they do not choose to rely on a buddy.
text: Divers may be trained in procedures which have been approved by the training agencies for recovery of an unresponsive diver to the surface, where it might be possible to administer first aid.
text: Divers qualified to work from bells are trained in the skills and procedures relevant to the type of bell they will be expected to work from.