Cov hluav taws xob hluav taws xob tsis zoo ntawm cov hluav taws xob phuam khib tuaj yeem kho tau:

Thawj magnesium hmoov yog qhov zoo. Vim tsis sib xws los yog lwm yam laj thawj thaum hloov kho, tidal tsis kam ntawm cov hluav taws xob cua sov yog tsawg, txog 100MΩ. Thaum lub caij muab tso rau hauv huab cua, qhov kev tiv thaiv tseem yuav poob mus ntxiv. Ink, tus number case tuaj yeem nqus tau, ob qhov kawg ntawm cov yeeb nkab yog txiav qhib, thiab tus number case liab tuaj yeem nqus tau hauv > 2mm.