1. Umngxuma wepin ogqunywe ngegolide, umbane oqinileyo oqhuba umbane
2. Ukumelana okuncinci, ukuchasana ne-oxidation.
3. Isiseko serabha asimelani nobushushu obuphezulu, asilali, simhle kwaye sihlala ixesha elide.
-1. Iimveliso ezinxitywayo ezikrelekrele: iwotshi ekrelekrele, isongo esikrelekrele, iiglasi ezikrelekrele, ii-headset zeBluetooth, njl.
-2.3C Iimveliso zabathengi: iitablethi, izitshixo ze-elektroniki, iimoto zombane. Ifowuni ephathwayo. Intambo yokutshaja idatha, njl.
-3. Ishishini lezonyango: izixhobo zonyango, izixhobo zobuhle, i-AIDS yokuva, i-sphygmomanometer, isixhobo sokujonga izinga lokubetha kwentliziyo, i-electrocardiograph ephathwayo, njl.njl.
-4. Izixhobo ezikrelekrele: iirobhothi ezikrelekrele, izixhobo eziphathwayo, iidrone, izixhobo zezithuthi, njl.njl.