Otu aja aja:
ájá eke, aja ejiri esiji.
Njirimara nke aja agba eke:
Agba aja adịghị enwe ụcha ọ bụla, nke na-adịghị egbu egbu, enweghị ụtọ, enweghị mmetọ, yana ọ nwere resiance corrosion, acid na alkali na-eguzogide.
Akụkụ nke aja agba agba:
Aja na-agbapụta nwere ọmarịcha ihu igwe na-eguzogide ihu igwe, ezigbo nrapado, nkwụsi ike kemịkalụ mara mma yana ezigbo ọrụ nchebe UV.
Oge nzipu: Eprel-28-2022