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Step 6 - Sew the Mask Shut. Sew the four sides of your mask shut, securing the string or laces in place. Again, this doesnt have to be perfect and can be in whatever color thread you have on hand. Step 7 - Make Additional Masks. You may want to make additional masks so that you have back ups when you are washing a mask after wearing them. To , efficient labor protection mask cotton from handanchina dust mask, china dust mask Suppliers and , efficient labor protection mask cotton from handan21,539 china dust mask products are offered for sale by suppliers on Alibaba, efficient labor protection mask cotton from handan, of which respirators & masks accounts for 63%, face shield accounts for 6%, and toilet soap accounts for 1%. A wide variety of china dust mask options are available to you, There are 21,539 suppliers who sells china dust mask on Alibaba, efficient labor protection mask cotton from handan, mainly located in Asia.Industrial Anti-dust Face Gas Mask Respirator Safety , efficient labor protection mask cotton from handanAll the materials used are non-toxic and harmless materials which are strictly tested for respirators and can be used safely. Security: Filtering efficiency95.00%, The mask is tightly attached to the skin. It has super tightness and provides the most efficient safety protection for users.

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