Assertion: technical diver | /r/CapableOf | carry multiple cylinders
Facets:
value: often
type: TEMPORAL
value: on his back
type: LOCATION
Source sentences:
text: Invented by Greg Flanagan in 1979 for North Florida cave divers, and further developed by William Hogarth Main, the back plate and wing configuration is not a recent development, but has gained popularity because of suitability for technical diving where it is often used, as the technical diver often carries multiple cylinders on his back and/or clipped to D-rings on the harness webbing.