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Show SCIENCE SKETCHES SECTIONS OF PIPING layouts ore electrically isolated by use of insulated joints and then subjected to direct current to make the buried pipe negative" electrically to surrounding earth and better oble to resist corrosion, according to Tube Turns, Louisville. TITANIUMj a metal principally used as a paint pigment, is now in demand for use in high-temperature metal alloys required in the aircraft and missile industries. indus-tries. WHAT IS really "cleaner than clean?" That is the question bio-engineers bio-engineers at Georgia Tech are trying to answer as they conduct research on the control of microorganisms micro-organisms that contaminate hospital hos-pital operating rooms. 'St- ' 1THE ICE SHEET covering Antarctica, Ant-arctica, the only continent still 1 in the grip of an Ice Age, is 9,000 I feet thick in some places, says I the Geological Survey, Depart-m Depart-m ment of Interior. 1DUST COLLECTORS may be disliked dis-liked by housewives, but in industry in-dustry they are essential to air pollution control. Holland-Suco Color Company, Huntington, W.Va. says that dust collectors installed on its plant's smoke stacks remove objectionable particulate par-ticulate matter from smoke. |