Nyob rau hauv tus txheej txheem ntawm kev tsim koob-punched xav, conductive fibers los yog conductive cov ntaub ntawv yog tov rau hauv tshuaj fibers.Cov ntaub lim dej yog dov thiab imegnated nrog PTFE (waterproof agent), uas yog siv nyob rau hauv lub sij hawm uas muaj cov ntsiab lus noo noo siab .Cov khoom lim tsis yooj yim los thaiv lub hnab muab tshuaj txhuam, kev pab cuam lub neej ntawm lub hnab ntaub yog ntev, cov roj ntws tawm. yog nce, thiab tus nqi kho mob tau txais kev cawmdim heev.