This unit specifies the skills and knowledge required to clean surfaces by producing a variable stream of water or cleaning agent. Pressure washing is used as a replacement for hand scrubbing in large areas or where surfaces are very soiled, including car parking areas, driveways, factory floors, external walls, fascias, stairwells and facades of buildings, as well as in industrial or mining sites. Some surfaces, such as cracked, painted or other sealed surfaces, may be sensitive to pressure washing.The unit covers assessing the extent of the cleaning task, and selecting the cleaning methods, equipment and cleaning agents required for the task.This unit applies to cleaning industry personnel who work alone or in teams in commercial and domestic sites. They use a range of cognitive, technical and communication skills to select and apply a range of methods, tools, materials and information to complete routine cleaning activities and provide solutions to predictable and sometimes unpredictable problems. All work must be carried out in accordance with relevant state/territory legislation and regulations, including work health and safety (WHS), and codes of practice as well as organisational procedures.No licensing, legislative or certification requirements apply to this unit at the time of publication.