Professional tip: Normally start out by knocking and figuring out oneself. If not one person responds soon after two knocks, announce “housekeeping” as you enter. For rooms which has a "Usually do not Disturb" indication, Notice it on the checklist and skip the refresh. Don’t forget the guest features — https://hotel-housekeeping-standa86418.p2blogs.com/33947492/examine-this-report-on-hotel-room-odour-control