Imiba efuna ingqwalasela ngexesha lofakelo lokuqala lwe-chiller inamanqaku amahlanu: ukuqinisekisa ukuba izincedisi zigqityiwe, ukuqinisekisa ukuba umbane osebenzayo we-chiller uzinzile kwaye uqhelekile, uhambelana nobuninzi bombane, awuvumelekanga ukuba usebenze ngaphandle kwamanzi, kwaye uqinisekise ukuba indawo yokungena komoya kunye nemijelo yokuphuma ye-chiller igudile!