[Tar water] is of a nature so mild and benign and proportioned to the human constitution, as to warm without heating, to cheer but not inebriate.
Freezing concentrates sugar (maple sugar), alcohol, and salt solutions as efficiently as heating distils water or alcohol from solutions. Open pans of maple sugar can have the surface ice removed regularly (each day) until a sugar concentrate remains. Salts in water, and alcohol in ferment liquors can be concentrated in the same way.bill mollison
The mechanical engineer is concerned with the generation and use of power, the design and development of a wide variety of products and machinery, and the operations and methods of manufacture . As such he engages in the design operation, and control of conventional and nuclear power plants. He designs and develops automobiles, engines, turbines, fluid machinery, production machinery, and equipment; heating, ventilating, air conditioning, refrigeration systems and equipment, appliances and other consumer goods.University of Michigan Official Publication (1962), Vol 62. p. 62
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