Chophimba chotchinga ndi chimango chimapangidwa makamaka ndi chitsulo chosapanga dzimbiri ndi mkuwa woyera, womwe mkuwa woyera ndi chitsulo chotchinga chachitsulo chomwe chimatha kutsekedwa mosavuta.EMI imayimira kusokoneza kwa electromagnetic, ndiko kuti, kusokoneza kulikonse kwamagetsi komwe kumayambitsa kulephera kwa gawo.Ntchito yayikulu yamilandu yotchinga ya EMI ndikuyimitsa mafunde amagetsi pachivundikirocho, komanso kuteteza ogwiritsa ntchito ku zoopsa za radiation yamagetsi, ndikupewa kusokoneza zida zina zamagetsi zozungulira kuti zitsimikizire kuti zidazo kuchokera ku fumbi ndikukulitsa moyo wautumiki wazinthu. .