Word: tarring
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...hashed into tiny pieces.It is then sifted past magnets, which draw out any bits of iron. Next it is dumped into a "digester" tank where 1) caustic soda (sodium hydroxide) is added to destroy all cloth fibers and to remove free sulfur (added originally in vulcanizing); 2) coal-tar oils are added to soften the rubber. These added chemicals and decomposed fibers are rinsed out in water sprays and settling tanks. At last the rubber is squeezed into heavy sheets and baled for reprocessing...
Occupational Cancers, which are caused by external environmental agents such as X rays, radium rays, ultraviolet rays, certain complex tar and benzine compounds, hundreds of other carcinogenic (cancer-causing) chemicals. Farmers and sailors may develop skin cancer through long exposure to the ultraviolet rays of sunlight. Cotton spinners in Britain, who are constantly exposed to the carcinogenic mineral oil used in lubricating the spindles, may develop "mule spinners' cancer" of the scrotum. Obviously, said Dr. Cramer, occupational cancer is a "preventable disease." Social Cancers, an expression coined by Dr. Cramer, which include cancers of the esophagus, stomach, upper digestive...
...develop new South American cinchona trees would take at least seven years. The world shortage of quinine would be less serious if the U.S. were able to produce large amounts of the synthetic drug atabrine, a coal-tar substitute for quinine, developed ten years ago. Almost as effective as quinine, atabrine is less suitable for large-scale use, for it is more toxic, should be given under a physician's supervision...
...synthetic insecticides, one of the most promising is phenothiazine, which is made from a coal-tar derivative and sulfur. This chemical is deadly to the codling moth which costs U.S. applegrowers nearly $18,000,000 a year. Early failures in field tests with phenothiazine were found to be due to the size of the particles. They were too big. Later tests with more finely ground phenothiazine turned out much better...
Desert City. At the Army "reception center," nine miles beyond Lone Pine, the Japs piled out. They were greeted by 88 Japanese men and girls who went ahead to put the camp in order. In the unfinished, tar-papered dormitories where they will live until the war ends, they made their beds on mattress ticking filled with straw, dined on rice and meat, prunes and coffee, dished out by Japanese cooks...