0The site workers of ABC company did not follow our approved work plan 01font00by 02font01font00calling02font00 our Control Center 01font00when02font00 01font00resuming 02font00the air conditioning plant from “manual” to “automatic” mode.02br 02br 00I would like to seek someone to resolve my problems. From the above sentence, why use "by calling", is it a correct grammar? can i use " to call" instead? and " when resuming" is also correct grammar in the sentence? 0-
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— BarbaraPA
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0Ben, try this:02br 02br 00The site workers of ABC company did not follow our approved work plan when they failed to notify our Control Center that they had returned the air conditioning [at the?] plant to “automatic mode" from “manual mode."0-