UkuthethelelaImvamisa ihlukaniswe ngokuya ngokushisa lapho kwenziwa khona - kubanda, kufudumele, noma okushisayo. Uhla lwezinsimbi zensimbi lungakhiwalwa.Izinhlansi manje ziwumkhakha womhlaba wonke ezinezikhungo zanamuhla ezikhiqiza izingxenye zensimbi ezisezingeni eliphakeme ngosayizi omkhulu wosayizi, bobunjwa, izinto zokwakha, kanye nokuqeda. I-Metal ifudunyezwa ngaphambi kokuthi ihlehliswe kusakhiwo oyifunayo usebenzisa isando esababisayo. Lokhu bekusetshenziselwa ukwenziwa ngesandla ngabakwaBlacksmiths.