Making discharges, the last girl is no problem (9)

I believe the answer is:

emissions

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'making discharges' is the definition.
'emissions' can be an answer for 'discharges' ('emission' can be a synonym of 'discharge'). I'm not certain of the 'making' bit.

'the last girl is no problem' is the wordplay.
'last' says to take the final letters.
'girl' becomes 'miss' (term of address for an unmarried woman).
'problem' is an anagram indicator.
The final letter of 'the' is 'e'.
'is'+'no'='isno'
'isno' anagrammed gives 'ions'.
'e'+'miss'+'ions'='EMISSIONS'

Can you help me to learn more?

(Other definitions for emissions that I've seen before include "Gases released" , "Discharges" , "Things given off" .)

I've seen this clue in the Sydney Morning Herald.

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