Uru: jik?tara ihe omume ?la k?pa na ike na ?d? ar? ?k? nke aluminom. ? na-enye usoro d? ?n? ah?a d? oke ?n? na-eguzogide nguzogide nke aluminom.
?d?mma: nwere ike ?nwe ?n?ah?a d? elu ma e jiri ya t?nyere wires aluminom. Usoro cloddiding nwere ike ?gbakwunye mgbagwoju anya na ikike maka nt?p?.
Udi ubi: Kwes?r? ekwes? maka ngwa nd? d? ugbu a, igwe elektrik, na nd? na-agbanwe ebe a ch?r? ngwak?ta nke ak?r?ngwa.