, giving birth to a new ice age\rthat soon will cover the entire United States.\r57. Were it not for the feather lost in departure, no one would have known that the white\rbird had ever been.\r58. Sir Isaac Newton was one of the pioneers in investigating viscosity, and on his\ranalysis depends the definition of the coefficient.\r59. A widely known achievement of radio electronics is an electronic calculating machine\rthat can perform several thousand arithmetical operations in one second..\r60. Nearly all our clothes are made from fibres of one sort or another, be they deried from\rplants, animals, coal or petroleum and all these fibres, when they are carefully examined,\rare seen to consist of long chain molecules.
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