Protective garment on par with destruction (5)

I believe the answer is:

apron

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'protective garment' is the definition.
(apron is a kind of protective garment)

'on par with destruction' is the wordplay.
'on par' anagrams to 'APRON'.
But, I'm unsure how this is indicated.

Can you help me to learn more?

(Other definitions for apron that I've seen before include "Cook's protector" , "edge" , "Part of stage in front of the curtain" , "skirt" , "Extension of stage in front of curtain" .)

I've seen this clue in The Daily Express.

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