"One card" is an ID card. If it is a school, you need a student ID card.
These things are important passes for our current life and travel. Many places, such as hospitals and shopping malls, require us to show our personal information when entering.
Personal hygiene notice of epidemic situation:
1. In principle, employees working in a single office environment are not allowed to wear masks. Workers in a multi-person office environment do not need to wear masks when the office environment is relaxed, well ventilated and healthy. Wear a mask in other working environments or in environments where risks cannot be determined. Disposable medical masks are usually recommended.
2. Be sure to wash your hands or disinfect with hand disinfectant after touching the items that may be contaminated. You must wash your hands first when you go out and go home.
3. Keep the environment clean and tidy, and clean up the garbage in time.
4. Public goods and articles or parts in contact with the public should be cleaned and disinfected.