Ukumelana nemozulu embi kunye nokuguga
Uzinzo oluhle kunye nokuchaneka kwendawo,
Ukumelana kakuhle ne-asidi kunye ne-alkali,
Ukuthintela ngokufanelekileyo ukuphuma kombane kunye nokuvuza.
Iphaneli yembono yebhokisi etywiniweyo inokuqwalasela kwaye inokuchukunyiswa kwaye ifakwe kumphezulu womoya weplastiki okanye isinyithi.
Kwimeko apho umzimba we-trunk utshixiwe, unokusebenza kwakhona.Ezi panel clairvoyant zisebenza kwezinye ezikhethekileyo
Isiganeko esidinga ukungenwa ngamanzi, uthuli kunye ne-anticorrosion.