look at the sentence Thus, they're yet to assure precise ozone treatment, which is necessary when certain contaminants--such as bromide, from which bromate is formed--are present in the source water.
You removed space, so your paragraph contains: "treatment,which"
Type of issue
Rudimentary content not removed
Reported
Mar 18, 2019
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Thus, they're yet to assure precise ozone treatment, which is necessary when certain contaminants--such as bromide, from which bromate is formed--are present in the source water.
You removed space, so your paragraph contains:
"treatment,which"