When the air is contaminated with radioactive materials, some personal protective measures are required. Covering the mouth and nose with a handkerchief, towel, cloth, etc. can reduce the dose caused by inhalation of radioactive materials by about 90%. The protection of the body surface can be used in a variety of daily clothing, including hats, headbands, raincoats, gloves and boots.

Decontaminate people who have been or suspected to be radioactively contaminated on the body surface. The method is simple. Just tell the relevant personnel to take a shower with water, and take off the contaminated clothes, shoes, caps, etc., and store them until they have time to monitor or deal with. To prevent the spread of radioactive contamination to uncontaminated areas.