Assertion: chlorine | /r/CapableOf | become detectable
Facets:
value: in the water
type: LOCATION
value: by taste
type: MANNER
value: by smell
type: MANNER
Source sentences:
text: The chlorine residual level can be accurately measured with a simple colour comparator device but as a rough guide the free residual level is at the top of the right range when chlorine becomes detectable in the water by taste or smell.