Isisombululo esikhethekileyo sokugcina iipleyiti zobunzima, indawo encinci ivumela utshintsho oluguquguqukayo kwindawo ngelixa igcina ukuhambelana neentlobo ezahlukeneyo zeepleyiti zobunzima. Ngenxa yekhonkco lokubonelela elinamandla kunye nemveliso ye-DHZ, ulwakhiwo lwesakhelo sesixhobo luhlala ixesha elide kwaye lunewaranti yeminyaka emihlanu.
