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4.1 Background Alternating current (ac) power grids are designed to run at a prescribed nominal frequency (60 Hz in the Americas and 50 Hz in most other places of the world) .
With cast stainless steel burners, solid stainless steel rod cooking grids and warming rack, plus 304 stainless steel body, these grills will provide you with many years of great-tasting food.
Hybrid renewable energy mini-grids using solar, hydro and wind 3.