The document provides guidance on cleaning guest rooms. It defines cleaning as the removal of dirt, dust, stains and foreign matter using cleaning agents and equipment. It outlines principles of cleaning including time, temperature, mechanical action, chemical action and procedures. It then details the steps for cleaning an occupied room, preparing to clean, cleaning specific areas like the bedroom, bathroom and concluding work like inspecting the room. The document is a guide for housekeeping staff on properly cleaning hotel guest rooms.