3 containing nuts feed 50 people working alongside one another (10)

I believe the answer is:

bedfellows

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'people working alongside one another' is the definition.
I can't tell whether this definition defines the answer.

'3 containing nuts feed 50' is the wordplay.
'o' becomes 'blows' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'containing' indicates putting letters inside.
'nuts' is an anagram indicator (nuts can mean crazy).
's0' becomes 'l' (Roman numeral).
'feed'+'l'='feedl'
'feedl' with letters rearranged gives 'edfel'.
'blows' placed around 'edfel' is 'BEDFELLOWS'.

Can you help me to learn more?

(Another definition for bedfellows that I've seen is " colleagues".)

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