How does a water maker convert salty or impure water into to potable fresh water?
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Congratulations to sailmaker Jean-Louis Lablanc, Sete, France who offered this answered to last week’s Mindbender. “We choose to place the first reef in a slab reefed mainsail at 12 percent of the sail’s luff length up from the tack. The second reef would be 12 percent above that and the third reef, if one is put into the sail, is 12 percent above the second.”