Assertion: ozone | /r/ObjectUse | used in conjunction
Facets:
value: with other water treatment processes
type: OTHER
value: with halogens
type: OTHER
Source sentences:
text: Since ozone does not remain in the water long enough, ozone by itself is ineffective at preventing cross-contamination among bathers and must be used in conjunction with halogens.
text: Ozone is particularly effective when used in conjunction with other water treatment processes.