Crossword Genius

Oil installation engineers with best bib and tucker? (8)

Ross

I believe the answer is:

refinery

I'm a little stuck... Click here to teach me more about this clue!

'oil installation' is the definition.
The answer and definition can be both man-made objects as well as being singular nouns.
Perhaps there's a link between them I don't understand?

'engineers with best bib and tucker?' is the wordplay.
'engineers' becomes 're' (abbreviation for Royal Engineers).
'with' says to put letters next to each other.
'best bib and tucker?' becomes 'finery' (I can't justify this - if you can you should believe this answer much more).
're'+'finery'='REFINERY'

Can you help me to learn more?

(Other definitions for refinery that I've seen before include "Place for improving crude material" , "Purification plant" , "Industrial plant for purifying crude substances" , "Where oil is processed" , "Factory which removes impurities etc from crude substances" .)

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