A simple subject is the main word in a subject, without any modifiers that describe it. In order to determine the simple subject in a sentence, we should just ask ourselves who is the performer of the action in the sentence. In this case, the simple subject is the word ''employees'', while the complete subject (simple subject + the modifiers) is ''the employees at the factory."
When there are errors in the editing, or no editing at all, if the reader notice that the editing is poor, there is less likely to be... you understand