Hikelok nwere ọtụtụ ngwaahịa dị iche iche, gụnyere ihe akụrụngwa na ngwaahịa, ngwaahịa ultra-elu, ngwaahịa dị iche iche, sistemụ nrụọrụ na ngwa ngwa.
Ngwakọta ngwa ahịa na-ekpuchi ọla, plug valus, valuws na valves, na-enweghị valval, valvragm, valvragm, valf vaves, ụwa valves, ndị isi ikuku, nzacha.
