Professional tip: Always start by knocking and pinpointing on your own. If not one person responds after two knocks, announce “housekeeping” as you enter. For rooms having a "Never Disturb" signal, note it on the checklist and skip the refresh. What would be the 9 Different Hotel Operations and Departments? https://johnathanzzdwh.tblogz.com/not-known-details-about-hotel-cleaning-checklist-48555681