Ukuphepha nokuthembeka kweminyango yomlilo wensimbi kuye kwaqashelwa abantu, ngoba izinto ezisetshenziswayo ziyinsimbi eqinile futhi ezinzile, engagqwali, engagqwali, futhi evaleka kahle. Umnyango womlilo wensimbi owenziwe ngensimbi ephezulu kanye nezinto eziphikisayo awukwazi ukuhlangabezana nezidingo zokuphepha kuphela, kodwa futhi uqinisekise ukusetshenziswa okuzinzile kwesikhathi eside kwabasebenzisi ngaphandle kokulimala.