Assertion: diver | /r/CapableOf | underestimate the weight loss
Facets:
value: by losing ballast weights
type: MANNER
Source sentences:
text: This problem may be caused by poor planning, in that the diver may underestimate the weight loss of using up the breathing gas in all the cylinders, by losing ballast weights during the dive, or by inflation problems with buoyancy compensator or dry suit, or both.