Izindawo zokusebenzisa izinto ezingavaliyo ziyizindawo eziningi kakhulu ezisiza ukuthi sisebenzise izinto ezingavaliyo esithola ngalinye. Khetha njengomkhakha omkhulu wezinto ezingavaliyo, kodwa okunye, ziyenza izinto zibheke kahle nokuhlanzekile. Lezi isifunda sokugcina emsebenzini yokuhlanza amanzi amibi zithatha zonke izinto ezingavaliyo, njengamabhisikili amancane, ukudla okwedlule, noma izinto zemithi, bese bazisebenzisa izindlela ezithile ukuqeda noma ukuyenza izinto eziphathelene nokusebenza. Lokhu kubalulekile kakhulu ngoba uma sithumela konke, umhlaba wethu uyadlula futhi uyasebenza ngendlela engavumelekile. Dinghui isiza ukuthi lezi zindawo zisebenze ngendlela engeyona yokuqondile, isiza ukuthi sivikele umhlaba oshesha. Kuyinkimbinkimbi yezindawo zokuvikelwa kwemhlaba wonke, futhi zenzela ngendlela enenhle.