The National Institute of Standards and Technology (NIST) has stepped up its campaign to assure that U.S. innovations are not shortchanged by the system of international standards. NIST will host a conference on the issue in Washington, DC, September 23 in conjunction with World Standards Day. The agency hopes to develop "a reasonable plan for an effective national standards strategy to meet global goals in both standards and conformity assessment." Meanwhile, NIST has set up a special toll-free phone number (888) 591-TEST and an e-mail address of email@example.com for reporting suspected standards abuses in dealings with the European Union. NIST especially wants to know of instances in which Europeans have required U.S. firms to repeat compliance measurements in Europe. Later this year a laboratory accreditation system that NIST has spearheaded becomes operational. NIST officials hope the system, called the National Cooperation on Laboratory Accreditation, will enable tests to be performed only once, with worldwide acceptance of the data.
The choice between helical and spur gears in gearboxes may seem straightforward. But with planetary gearboxes, however, the choice between helical and spur gears requires some additional thought. Here’s what you need to know to make the right choice.
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