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Since then, he’s been drywashing, a waterless process that uses air to separate heavy materials, such as gold, from the lighter dirt and sediment.

Alchemie is not the only company attempting a nearly waterless dye process.

Steps away was the freshly painted but waterless pool, behind a locked chain-link fence.

Several preliminary schemes call for filling the 20,500-square-foot basin with — no illusion — a waterless meadow.

Although our landscape may not yet appear visibly parched, Friday offered many hours of waterless warmth.