Notice – noticed – small tools (8,4)

I believe the answer is:

circular saws

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'tools' is the definition.
The answer and definition can be both man-made objects as well as being plural nouns.
Perhaps you can see an association between them that I can't see?

'notice noticed small' is the wordplay.
'notice' becomes 'circular' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'noticed' becomes 'saw' (I've seen this in another clue).
'small' becomes 's' (abbreviation - e.g. clothes size).
'circular'+'saw'+'s'='CIRCULAR SAWS'

Can you help me to learn more?

(Another definition for circular saws that I've seen is " Power-driven tools".)

I've seen this clue in The Everyman puzzle in The Observer.

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