Word: harms
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...flights may be banned from populated areas, some ecologists fear that economic necessity may reverse this pattern. If this happens, they say, sonic booms generated as SSTs fly at speeds in excess of the speed of sound could upset people who do delicate work (brain surgeons) and may also harm persons with nervous ailments...
...inexperienced two-legged friend. You, mink and sable, Strip the traps from the trail, so you don't harm your soul...
Both American and French designers settled on plutonium-238 as the best radioactive source. The artificially produced element emits "soft" alpha particles, which have so little energy that they will not penetrate a sheet of heavy notepaper; thus they will not harm a patient. The French put 150 mg. (about one two-hundredth of an ounce) of Pu-238 into a capsule of platinum and tantalum. The Americans put 500 mg. (one-sixtieth of an ounce) in their capsule. In both devices, the patient is sufficiently shielded from the heat of the radioactive source by its plastic container. That heat...
...proposed line would carry hot oil over frozen soil. Unless designed with extreme care, he insisted, it would act like a hot poker on a cake of ice. After thawing the permafrost, the line might sag into the slush and finally break, spilling oil that could do great harm because it would last for years. Moreover, the line's route would cross earthquake zones. Since each mile of pipe would have a capacity of 100,000 barrels of crude, any break in the line could have disastrous consequences...
Thanks to biological controls, the gypsy moth is no longer a pest here, but in the long run, spraying did more harm than good, many entomologists claim. Some 25 parasites and predators were introduced to control the moth, and insecticides allegedly hindered these parasites in establishing themselves in some areas...