Indlu Usebenzisa iinkuni njengeyona nto iphambili eyakhayo, indlu igxotha amanqanaba ayo amabini ngokwecandelo, ivelisa uphahla oluqaqambileyo lokudibanisa nomxholo kunye nokuvumela ukukhanya kwendalo ukuba kungene. Indawo ephindwe kabini ichaza ubudlelwane phakathi komgangatho womhlaba, umgangatho ophantsi kunye nomhlaba. Uphahla lwentsimbi ngaphezulu kweempukane ezibukhali, luzikhusela kwimeko yelanga lasentshona kunye nokwakha kwakhona ivolumu ngokusisiseko, ukubiyela umbono wendalo esingqongileyo. Le nkqubo icaciswa ngokufumana ukusetyenziswa koluntu kumgangatho ophantsi kunye nokusetyenziswa ngasese kumgangatho ophezulu.

