1. Njikọ ike DC nwere uru nke nnukwu ọkụ eletrik, chaja ngwa ngwa, ojiji dị mma na nke dị irè, yana ndụ ọrụ ogologo oge.
2. Ihe dị elu, uzuzu na-anaghị ekpuchi ya ma na-anaghị ekpuchi ya.
·1. Ngwaahịa ndị a na-eyi nke ọma: elekere smart, mgbaaka smart, ekweisi Bluetooth, uwe aka smart, wdg.
·2. Ụlọ ọrụ ahụike: Ngwa ahụike, ngwa ịma mma, ọrịa AIDS, ihe nlele obi, electrocardiograph aka, wdg.
·3. Ngwa ọgụgụ isi: rọbọt nwere ọgụgụ isi, ihe mmetụta, drone, ngwa ụgbọ ala, wdg.
· Ngwaahịa ndị ahịa 4.3C: kọmputa mbadamba, mkpọchi eletrọniki, ụgbọala eletrik, iko mmiri nwere ọgụgụ isi. Ekwentị mkpanaaka. Eriri data chaja, wdg.