Show I I Cellulose Film Masks Protect Tar Sprayers Berkeley Calif Users Users of ot tar sprays as an insecticide are arc cau cau- cautioned cautioned to wear cellulose film masks to protect themselves from the caustic effects the sprays have on their skins Suggesting tucking a piece of ot cel cel- cellulose cellulose film under ones one's hatband and pulling it down to expose fresh areas as the exposed portion be be- becomes becomes becomes comes clouded Dr Leslie M M. Smith writing in a bulletin of the University University University sity of California experiment sta sta- station stat sta- sta station tion reports this method as one of ot t N I the most effective In hi combating injury from the tar spray Blonds are more sensitive to poi pol- poisoning poisoning from the tar spray than are dark people and one is more sus sus- susceptible susceptible to Injury during the day daythan than during the night Dr Smith I finds |