Swiiti egwuregwu ụmụaka na-agbanwe mgbe niile, naihe egwuregwu egwuri egwu osimiri a na-agbanwe puru iche.
Ihe eji egwuri egwu n'ụsọ osimiri bụ otu egwuregwu ụmụaka nwere tube gụnyere swiiti n'ime, mana nke a na tube,e nwere ihe abụọ flash point:otu bụ ọkụ na ị nwere ike ịkpọ ya n'abalị; nke ọzọ bụ lipstick lollipop swiiti. Ihe a na-eji mkpokọta zuru oke na-agbanwe echiche anyị dị n'ime.
Arịrịọ ahaziri agbakwunyere dị ka gram, ekpomeekpo, agba, mbukota ma ọ bụ ndị ọzọ, anyị nwere obi ụtọ ịnye nhọrọ dị iche iche maka nhọrọ kacha mma maka ịzụrụ swiit.