German Chancellor Angela Merkel touches the hand of an interactive device robot produced by German company Festo, while Indian Prime Minister Manmohan Singh (R) watches during their visit to the 'Hannover Fair' in Hanover April 24, 2006. The world's leading fair for industrial technology was opened to the public on Monday and runs till April 28 2006 with over 5,000 exhibitors from 66 nations showing their products and latest technical innovations. REUTERS/Fabrizio Bensch

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