04 03 '15
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AMRITSAR, India — The groaning, clattering machines never stop, transforming 12 tons of whole wheat flour every day into nearly a quarter-million discs of flatbread called roti. These purpose-built contraptions, each 20 feet long, extrude the dough, roll it flat, then send it down a gas-fired conveyor belt, spitting out a never-ending stream of hot,…