Ngokukhula kwama-chiller omgunyathi emakethe, ukuqinisekisa ubuqiniso be-chiller yakho ye-TEYU noma i-S&A chiller kubalulekile ukuze uqinisekise ukuthi uthola okwangempela. Ungakwazi ukuhlukanisa kalula i-chiller yangempela yemboni ngokubheka ilogo yayo futhi uqinisekise ibhakhodi yayo. Futhi, ungathenga ngokuqondile eziteshini ezisemthethweni ze-TEYU ukuze uqiniseke ukuthi kuyiqiniso.