Employment benefit (7)
I believe this is a double definition.
'employment' is the first definition.
(I know that service is a type of employment)
'benefit' is the second definition.
(thesaurus)
(Other definitions for service that I've seen before include "Religious ceremony" , "Periodic car maintenance" , "start of action in court" , "following 28 [SILVER]" , "Work done by one for the benefit of another" .)
I believe this clue is a double definition.
'employment' is the first definition.
(how something is used)
'benefit' is the second definition.
(I've seen this in another clue)
(Other definitions for use that I've seen before include "Application" , "Avail oneself of" , "Exploit; custom" , "particular church liturgy" , "Employ (something)" .)