Standard Operating Procedure (SOP): Free Templates ...- example of hand washing ,Industry example: Common food manufacturing SOPs cover tasks such as handwashing, cleaning and sanitizing food contact surfaces, and proper packaging process. This applies to all the employees working in the facility to maintain food safety standards and prevent contamination of food, ingredients and packaging materials. 2.Hand Hygiene: Why, How & When?Clostridium difficile, hand washing with soap and water is the preferred means. PAGE 1 OF 7 WHO acknowledges the Hôpitaux Universitaires de Genève (HUG), in particular the members of the Infection Control Programme, for their active participation in developing this material.