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If you need to clean the surface before soldering (??), the red and yellow lines make sense (however they are large!): they meet in a dial feet (?), but the green blue ones 😕
And what does the "552" stand for?
The long lost treasure map dial.
Wise men say treasure is the Holy of Holies, the bucket of #6 end links.
The intersection of the pink and yellow marks the buried treasure somewhere along the New South Wales - Queensland border.