Indima yesibani senkungu sangaphambili:
Isibani senkungu sangaphambili sifakwe ngaphambili kwemoto endaweni ephansi kancane kunesibani sekhanda, esisetshenziselwa ukukhanyisa umgwaqo lapho ushayela emvuleni nasenkungwini. Ngenxa yokungabonakali kahle enkungwini, umugqa wokubona womshayeli ulinganiselwe. Ukungena kokukhanya kwesibani esiphuzi esilwa nenkungu kunamandla, okungathuthukisa ukubonakala komshayeli kanye nabahlanganyeli bezimoto ezizungezile, ukuze imoto ezayo kanye nabahamba ngezinyawo batholane kude.