Surgical procedures with small ruler on boats (4,6)

I believe the answer is:

skin grafts

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'surgical procedures' is the definition.
'skin grafts' can be an answer for 'procedures' (I have seen 'restorative procedures' mean 'skin grafts' so perhaps 'procedures' could also mean 'skin grafts'). I am not sure about the 'surgical' bit.

'small ruler on boats' is the wordplay.
'small' becomes 's' (abbreviation - e.g. clothes size).
'ruler' becomes 'king' (king is a kind of ruler).
'on boats' becomes 'rafts' (I have seen 'Flat boats ' mean 'rafts' so perhaps 'boats' could also mean 'rafts'. I am not sure about the 'on' bit.).
's'+'king'+'rafts'='SKIN GRAFTS'

'with' acts as a link.

Can you help me to learn more?

(Other definitions for skin grafts that I've seen before include "Superficial repairs" , "restorative procedures" .)

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

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