Seized gate valves, a result!

Krusty

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20 Feb 2004
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RP 90, magic stuff. 3 days of regular WD40, NBG. about one quarter of a spray can of RP 90, result!

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What is it?
Tried Google, and found a printer and pages of wines! Which vintage frees a valve? Does it do the same for a sphincter?
 
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