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Show Cellulose Film Masks Protect Tar Sprayers Berkeley, Calif. Users of tar sprays as an insecticide are cautioned cau-tioned to wear cellulose film masks to protect themselves from the caustic effects the sprays have on their skins. Suggesting tucking a piece of cellulose cel-lulose film under one's hatband and pulling it down to expose fresh areas as the exposed portion becomes be-comes clouded. Dr. Leslie M. Smith, writing in a bulletin of the University Univer-sity of California experiment station, sta-tion, reports this method as one of the most effective in combating injury from the tar spray. Blonds are more sensitive to poisoning poi-soning from the tar spray than are dark people, and one is more susceptible sus-ceptible to injury during the day ! than during the night. Dr. Smith '.finds. |