Word: foolproofing
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...airline captain for one of our largest carriers, I congratulate you on doing a fair and factual piece on aviation safety [April 11]. The machines have become as sound and foolproof as man can design-but man himself is the weak link...
Despite the vast improvement in flight safety during recent years (TIME, April 11), neither man nor machine has been made foolproof. In clear skies last week, after an American 707 took off from St. Louis, one of its four engines fell off. The pilot easily landed, and a team of experts began looking into the possibility that metal fatigue may have caused the pylon bearing the engine to break away from the wing...
...always an easy task in areas where modern medicine is virtually unknown-WHO used a simple two-pronged needle developed by Wyeth Laboratories. It held just a single drop of vaccine between the points and could be used to make 15 quick jabs into the skin-a nearly foolproof technique that almost anyone could master...
...over the years the hot line has been less than foolproof. Static caused by atmospheric conditions and quirky weather has on occasion rendered it inoperable. Fortunately, neither superpower had any urgent messages to transmit during these periods of non-function. Still, it is chilling to contemplate the future of mankind turning on weather conditions between Moscow and Bern, Switzerland, or on a flare-up of sunspots...
...system was not foolproof...