Worked with energy: appropriate for the type of job (5-6)
I believe the answer is:
white-collar
'the type of job' is the definition.
I can't judge whether this defines the answer.
'worked with energy appropriate' is the wordplay.
'worked' is an anagram indicator.
'energy' becomes 'e' (physics symbol as in E=mco).
'appropriate' becomes 'collar' (I can't justify this - if you can you should believe this answer much more).
'with' anagrammed gives 'whit'.
'whit'+'e'+'collar'='WHITE-COLLAR'
'for' is the link.
Can you help me to learn more?
(Other definitions for white-collar that I've seen before include "Relating to non-manual workers" , "Designating those other than manual workers" , "Pertaining to salaried professional" .)