The covers, designed as horizontal, i.e. tree grates, protect the root system of the tree against any mechanical damage, while ensuring a free flow of water.
Izembozo, eziklanyelwe njengamagagasi esihlahla esivundlile, isb., Zivikela uhlelo lwezimpande zesihlahla kunoma yikuphi ukulimala kwemishini, ngenkathi kuqinisekiswa ukuhamba kwamanzi kwamahhala.