Word: hazardous
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...flow around the curved surfaces of the plane's wings and propeller. The wider the curve, the faster the air travels. This accelerated air, moving faster than the plane, may reach supersonic speeds and create local shock waves, known to airmen as "compressibility burble." Designers have reduced this hazard by giving wings and propellers thinner leading edges; these are now shaped more like a knife than a teardrop. But the biggest advance is the jet-propelled plane. The part of a plane that first feels supersonic effects is its whirling propeller, whose tips reach a very high speed...
...pencils, 17 combs, 50 ft. of rope, a quart of sauerkraut, 5 Ib. of sugar, 3 Ib. of wieners, a gross of used toothpicks, four flashlights, a hammer, six knives, a grindstone, a tube of shaving cream and four putty knives. He was charged with "maintaining a fire hazard." Only Yesterday. In Toledo, Ore., a merchant discovered that he had accepted a bad check drawn on the Lincoln County Bank, which used to be right across the street until it closed ten years ago. For Luck. In San Francisco, Tharn-midsbe L. Praghustspondgifeem, who was known as Edward L. Hayes...
...efforts to get San Francisco voters to approve the city's purchase of the ancient Market Street Railway, which for long years has run outmoded cars up & down Market Street, competing against municipally owned cars. The four sets of tracks gave San Francisco a famed traffic hazard. But four times the voters had turned down the purchase proposal...
...rang up the net incomes of 215 companies, found they were up a bare 2%. With U.S. production up a solid 17% during the year, this was little enough to crow about - with renegotiation still to come. But renegotiation, trimming off the lard, may not be such a hazard now: during the year, many a corporation sensibly slashed its prices to Uncle Sam. And as an additional bulwark, many companies built up special renegotiation reserves to take care of refunds...
Thus, Backman believes, organisms riding on cosmic particles or meteorites might fly safely through celestial space. He admits they would meet a great hazard when they hit the earth's atmosphere, where atmospheric friction would heat the particles or meteorites enough to destroy all organisms clinging to them. But he believes that the atmosphere may tear the organisms away from their carriers before they get too hot. Any such free-floating bacteria which came in on the earth's dark side, shaded from the sun, might drop safely to earth. Q.E.D...