Assertion: professional diver | /r/CapableOf | record measure
Facets:
value: formally
type: MANNER
Source sentences:
text: Professional divers are generally legally obliged to carry out and formally record these measures, and though recreational divers are not legally required to do many of them, competent recreational divers, and particularly technical divers, generally perform them informally but routinely, and they are an important part of technical diver training.