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There he learns that not only are things different than they seem , but that he is just a pawn in a deadly game of international chess . In this arrangement , branches only have workstations . The intention of my course in the history of the physical sciences and of the demonstration experiments is to convey and present the variety of uses of experiment in science with the clarity and vividness that only live demonstrations can achieve . The Panel notes that a SER also suggested that EPA only require constituents ( e.g ., cyanide ) to meet numerical limitations at the point of discharge rather than at other in-plant monitoring locations . These printers ONLY accept dimes ( $ .10 ) .