Ngokwemigangatho yolawulo, iintambo kwindawo eziqhushumbayo zifuna ukhuseleko ngokusebenzisa imijelo yokuthintela uqhushumbo okanye iziqhagamshelo eziguqukayo., kunonxibelelwano nje olusisiseko.
Lo myalelo usebenza ngokukodwa phantsi kweemeko ezingqongqo. Kwiisetingi ezithambileyo, kuqhelekile ukubona imibhobho eqhelekileyo isetyenziswa. Nangona kunjalo, kubayili, Ukubambelela kwimigangatho yoyilo kuhlala kusesona sicwangciso siphezulu sokuthintela amatyala kunye neengxaki ebezingalindelekanga.