Intloko yethu iqukethe inkqubo yokusebenza eguqukayo eqinisekisa ukuba i-beam ihlala ihambelane, ilungelelanise kutshintsho kumthwalo wesithuthi okanye indlela yokuhamba ngendlela. Oku kusebenza ukuphucula ukhuseleko kunye nokuqhuba ukuthuthuzela, njengoko ukukhanya kuhlala kuhleli kwaye kugxilwe, nokuba imeko.