Word: hardening
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Dates: during 1940-1949
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...ahead of competitors, Fruehauf sales last year were $14,878,641, up 126% over 1938. Net was a record $1,829,041. Last week, with their 25-acre Detroit plant newly expanded, Fruehauf officials waited patiently for the concrete floors of a big new Los Angeles plant to harden. With first-quarter sales an estimated 50% ahead of last year, they needed the extra production facilities...
Ornithologists generally do not like to shoot birds, but that is the best way to collect specimens, so they harden their hearts for the sake of science. One day Ornithologist Karl W. Haller of Bethany College was out in the wooded hills of West Virginia's Eastern Panhandle. He had a gun; he was looking for warblers.He heard one-a quick, burred trill. He spotted the warbler, stopped the song with a shot...
Promptly (in some cases within 24 hours), their gums began to harden, and healthy new tissue began to form the outer keratin layer, forming "a coat of armor" against bacteria. "This improvement," said Dr. Ziskin last week, "was seen not only in cases which had been partially helped by other methods, but also in the stubborn cases which showed no evidences of healing under routine procedure." In some cases, treatment was carried on over a period of two or three months...