Question: dear tutor sterilization notes mouth mirror must be precleaned eitherplaced...
Sterilization Notes: Mouth Mirror must be precleaned ,either,placed in a sterilizing pouch with an internal process indicator,sealed ,then sterilized or wrapped with an internal process indicator inside and secured on the outside with process indicator tape,then sterilized . verity appropriate color change has been achieved in external process indicator immediately after removal from sterilizer then check internal process indicator before treatment.
The questions are :what is "an internal process indicator inside" and
what is "secured on the outside with process indicator tape" ,how to comprehend " color change has been achieved " ,and what mean "in external process indicator"