Cheatle forceps are used to transfer sterilized instruments from sterile environments like boilers and formalin cabinets, helping to maintain sterility. They are also used in surgical procedures to handle and move tissues, grasping them with a sterile, controlled grip to prevent contamination and infection. 

Removing sterilized instruments from boilers and formalin cabinets to avoid contaminating the rest of the set.

Transferring sterilized materials to doctors during surgery.

Keeping the forceps in an antiseptic solution, like methylated spirits, when not in use to prevent contamination.