<prompt> The operating temperature in an ethylene oxide sterilization during a warm cycle is -20-35 o C49-63 o C68-88 o C92-110 o C  <response>: Temperature between 49 63degC is used, which is comparatively a lower temperature. Used for aicles that cannot withstand higher temperatures. REF:textbook of microbiology, Ananthanarayan and Paniker. 