Assertion: smoke's level | /r/CapableOf | reduce the working time
Facets:
value: often
type: TEMPORAL
value: by 25% to 50%
type: OTHER
Source sentences:
text: The relative fitness, and especially the level of exertion of the wearer, often results in variations of the actual usable time that the SCBA can provide air, often reducing the working time by 25% to 50%.