Crossword Genius

Repairman’s up sealing lacerated lead in risky toaster? (3,4)

Ross

I believe the answer is:

sun lamp

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'toaster?' is the definition.
Both the answer and definition are singular nouns.
Perhaps you can see an association between them that I can't see?

I don't understand the rest of the clue.

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(Other definitions for sun lamp that I've seen before include "Tanner" , "Light for tanning" , "Source of UV rays for cosmetic purposes" , "Tanning device" , "This can produce brown" .)

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