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Show e Design Non-Spark Shoes For Defense Workers ST. LOUIS. Needs of munitions workers have led to the introduction of non-spark shoes and other new types of safety shoes adapted to the use of workers in defense industries. Included among safety shoes exhibited ex-hibited by St. Louis shoe manufacturers manufac-turers at the recent sixth annual national na-tional shoe fair in Chicago, the non-spark non-spark shoes are put together with brass nails and are so constructed it is said that workers in powder plants and oil fields may wear them without fear that they will throw sparks and perhaps cause fire. Another safety shoe geared to the needs of the day is the non-metallic electrician's shoes which may be worn in electrified mines without, it is claimed, transmitting current. |