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Based on the problem of indentation of masks during the epidemic, the problem of fogging of the glasses, and the problem of wounds on the skin itself, I proposed the concept of "disposable medical masks with hydrocolloid repair function". The iron wire is completely suitable for the skin, suitable for everyone's face shape, good sealing, no air leakage, no fogging glasses, and each piece is individually packaged, before wearing, you must first disinfect the skin exposed to the air with alcohol, At the same time, excess hydrocolloid dressings can also be attached to the skin wounds, such as acne exposed to the air.