Cleaning high-touch surfaces must follow the "clean first, disinfect later" principle. First, use soapy water to clean up dirt, then choose a suitable disinfectant (such as alcohol or diluted bleach) according to the object's material. Pay attention to the contact time during disinfection, and finally wipe with water to avoid chemical residues.
Recognizing high-touch surfaces
High-touch surfaces refer to items that people frequently touch in daily life. Maintaining the cleanliness of these areas is the basis for maintaining environmental hygiene. Common high-touch surfaces include: door handles, light switches, table and chair armrests, keyboards and mice, mobile phone screens, and elevator buttons, etc.
Correct cleaning and disinfection procedures
Cleaning and disinfection are two steps. First, use water and a mild detergent to remove surface dust and oil to ensure disinfection effectiveness. If you use diluted bleach, please use cold water to dilute it and make sure to use it up within 24 hours. Never mix bleach with other cleaning agents. You should wear protective equipment before handling it and ensure good ventilation.
Before using bleach, please first understand Method for using bleach from the Centre for Health Protection(opens in a new window), and operate according to the product label.
When arranging cleaning and disinfection, you can refer to The Centre for Health Protection's environmental hygiene guidelines(opens in a new window)treatment and note the on-site and material restrictions.
- Wear gloves and appropriate protective gear before cleaning.
- Use a damp cloth to wipe surfaces to remove dirt.
- Dilute the disinfectant according to product recommendations and apply it.
- Wipe dry after the specified contact time.
Maintenance strategies and precautions
It is recommended to formulate a cleaning cycle based on usage frequency. For door handles used frequently at home, they should be wiped regularly every day. If the surface involves metal or delicate materials, please be sure to test in an inconspicuous area first to see if the disinfectant will cause discoloration or deterioration. If you experience skin sensitivity after use, please stop the operation immediately and seek medical attention.
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