At times you need to maintain your function, and at other times you will need to improve or restore your function. Can you tell me what energy conservation is?
Ngamanye amaxesha usebenza ngokufanelekileyo umzimba wakho kodwa ngamanye amaxesha kufuneka uyiphucule okanye uyibuyisele indlela osebenza ngayo. Ungandixelela ukuba luyintoni ulondolozo lwamandla?