Assertion: scuba diver's weight | /r/HasProperty | needed
Facets:
value: usually
type: DEGREE
Source sentences:
text: Mass loss over the dive is reduced as a much smaller amount of gas is used, so the buoyancy does not vary much as the dive progresses, and less ballast weight is needed to compensate for gas usage.
text: The diving suit is usually buoyant, so added weight is usually necessary.
text: These are sometimes locked in position by squeezing the weight to grip the webbing, but this makes them difficult to remove when less weight is needed.