Rig order to keep things running smoothly?
I believe the answer is:
oilwell
'rig' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Maybe they are linked in a way I don't understand?
I don't understand the remainder of the clue.
Can you help me to learn more?
(Another definition for oilwell that I've seen is " source of riches".)
I've seen this clue in The Daily Mail.
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