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The Wall has a powerful search engine that will go all the way back to 2002. Use "quotation marks" around multiple-word searches. RIGHT-CLICK on the results and choose Open Link In New Window so you'll be able to get back to your results. Happy searching!
In fairness to all, we don't discuss pricing on the Wall. Thanks for your cooperation.
I'm curious to hear what other ideas people would consider supporting via crowd funding. Smart vents that ensure balance? Variable EDR radiator valves? ???
What's missing from modern steam?