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This guide outlines key practices for working in clean rooms and controlled environments. Maintaining a high level of cleanliness is essential to prevent contamination and ensure product integrity.
1. **Personal Hygiene**: Always keep your hands, nails, and face clean. Good personal hygiene is crucial in these environments, as even small particles can compromise the quality of sensitive processes.
2. **Eye Protection**: Glasses must be cleaned and disinfected before entering the clean room. It’s easy to overlook this step, so establishing a routine is important to avoid unnecessary risks.
3. **Appropriate Attire**: Choose well-designed cleanroom clothing systems that are complete and worn correctly. These garments are designed to minimize particle release and protect both the worker and the environment.
4. **Tool and Component Maintenance**: Keep all tools and components as clean as possible. Regular cleaning helps reduce the chances of introducing contaminants into the workspace.
5. **No Smoking or Use of Snuff**: Smoking or using snuff releases large amounts of particles into the air. This behavior should be strictly avoided in cleanrooms to maintain air quality.
6. **Avoid Hair Contact**: Do not comb your hair or touch it within the cleanroom. Hair can shed particles that may contaminate the environment.
7. **No Cosmetics**: Cosmetics often contain fine particles that can easily become airborne when you talk, cough, or sneeze. They should not be used in clean areas.
8. **Nail Polish Prohibited**: Nail polish can crack over time, creating crevices where dust and microbes can accumulate. This makes it unsuitable for use in controlled environments.
9. **No Jewelry or Watches**: These items are difficult to clean and can harbor contaminants. They should be removed before entering the cleanroom.
10. **Work on Clean Surfaces Only**: All activities should take place on surfaces that are properly maintained and free from contamination.
11. **Handle Clean Clothing Carefully**: Never bring clean clothes into the room unless they are already in the correct state. Avoid touching or flipping them unnecessarily, as this can introduce contaminants.
12. **Minimize Movement**: Avoid unnecessary movements, as they increase particle emission. Perform tasks slowly to reduce air turbulence and maintain stability in the environment.
13. **No Food, Drinks, or Gum**: Eating, drinking, or chewing gum is strictly prohibited in cleanrooms. These activities can introduce foreign particles and pose a contamination risk.
By following these guidelines, personnel can significantly reduce the risk of contamination and help maintain the required standards in cleanroom environments.
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