Assertion: open water diver | /r/CapableOf | use the distance line
Facets:
value: for a surface marker buoy
type: PURPOSE
Source sentences:
text: An open water diver using the distance line only for a surface marker buoy may only need 50 metres / 165 feet, whereas a cave diver may use multiple reels of lengths from 50 ft (15 m) to 1000