NEWS FOCUS Steel Leg An operator adjusts a submerged arc welder during the fabrication of a steel leg for an offshore drilling platform. The carbon steel is Armco QTC, developed by Armco Steel for strength in extreme weather
Placement Placement of 4- to 6-inch filter media can be achieved at rates of 150 cubic yards per hour in this new version of the Beltcrete pushbutton conveyor system made by Oury Engineering, Northlake, III. The system does away with slow manual placement of filter media 136
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Simulation At a simulated depth of 650 feet, divers perform a series of tests to determine their physiological and mechanical abilities. The simulated dive is the longest and deepest such dive ever attempted (C&EN, Aug. 23, page 37), says Ocean Systems, New York City
Position This 70-ton solid-fuel rocket motor case is being moved into position just prior to a successful hydrostatic test. The rocket case was built for Aerojet General by Sun Shipbuilding and Dry Dock Co., and is the second of two such units made by the Chester, Pa., firm
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