Final answer:
Team Members should wash their hands after using a cell phone, touching their hair or face, using the restroom, and returning from a break to prevent the spread of diseases and maintain hygiene.
Step-by-step explanation:
Team Members should wash their hands in several circumstances to prevent the spread of pathogens and maintain a hygienic environment. They should always wash their hands after using a cell phone, as phones can carry microbes from various surfaces. Additionally, it is important to wash hands after touching hair or face, which can transfer oils or contaminants to food or clean areas. After using the restroom, handwashing is crucial to prevent the fecal-oral transmission of diseases. Finally, they must wash hands after returning from a break, during which they might have come into contact with infectious materials.