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| Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Just wondering.
When they make Maple syrup they boil off the water in order to concentrate the
sugars in the sap. The question is: Could you save money by setting up a vacuum to lower the boiling point? Would seem that with a lot less heat you could just vacuum the steam away. Would it work and would it be worth doing? |
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