Imibala yeli seti ye-enamel iqaqambile kwaye iprints yokuprinta iqinisekisa ukuba imibala yezikhonkwane iqaqambile kwaye ihleli ixesha elide, kwaye akukho lula ukuba iphele. Ayisiyo nje ibonakalisa ukwahluka kunye nomtsalane woonobumba bekhathuni, kodwa badlulisela ubutyebi beemvakalelo kunye namabali ngokusebenzisa amabinzana ahlukeneyo.
