I would be grateful if someone could help to correct my sentence. Fan no.1 is required to be operated one hour every wednesday (10:00 - 11:00) to ensure its normal operation.
Originally Posted by ben9108 I would be grateful if someone could help to correct my sentence. Fan no.1 is required to be operated one hour every wednesday (10:00 - 11:00) to ensure its normal operation. Fan no.1 must be run for one hour every Wednesday from 10.00 a.m. - 11.00 a.m. to ensure that it is operating correctly.
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