### Clue: That hospital avoided getting medical gear caught in part of machine (6)
### Answer: TAPPET 
 ### Explanation: Definition: part of machine
 "That" **minus**(… avoided) "h"(abbrev. for "hospital") **containing**(getting…caught) PPE(abbrev. for "personal protective equipment"/gear worn by workers, perhaps in healthcare, to minimise exposure to hazards causing illnesses and injuries).
Defn:  …, commonly in an internal combustion engine.