1. Izixhobo zinokungcwatywa ngokupheleleyo, zingcwatywe isiqingatha okanye zibekwe ngaphezu komhlaba, zingacwangciswanga ngendlela esemgangathweni kwaye zibekwe ngokwendawo.
2. Indawo yokungcwatywa kwezixhobo ngokusisiseko ayifaki indawo ephezulu, kwaye ayikwazi ukwakhiwa kwizakhiwo eziluhlaza, izityalo zokupaka kunye nezixhobo zokugquma.
3. I-Micro-hole aeration isebenzisa umbhobho we-aeration oveliswe yi-German Otter System Engineering Co., Ltd. ukuhlawula i-oksijini, ingathinteli, i-oksijini ephezulu yokutshaja kakuhle, umphumo omuhle wokungenisa umoya, ukonga amandla kunye nokugcinwa kwamandla.