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Browse, buy and learn at wiley.com, the online home of John Wiley & Sons, Inc., publisher of award-winning journals, encyclopedias, books, and online products and services.

UL is the trusted source across the globe for product compliance. Benefiting a range of customers - from manufacturers and retailers to consumers and regulating bodies.

Tektronix has over 60 years of experience designing test and measurement instrumentation. Learn about our industry-leading test and measurement equipment.

For over 65 years Edmund Optics (EO) has been a leading producer of optics, imaging, and photonics technology.

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Integrated Sciences Group, the leader in measurement uncertainty analysis, calibration interval analysis, measurement decision risk analysis, and statistical process control (SPC) analysis software and training.

Arizona Department of Health Services. Leadership for a Healthy Arizona.

GlobalSpec is a search engine and information resource for the engineering, industrial and technical communities. We help you quickly find industrial parts, specifications and services.

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Advanced Instruments offers expertise and best-practices learned during the 50 years we

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The International Society of Automation is a nonprofit organization that helps its 30,000 worldwide members and other automation professionals solve difficult technical problems, while enhancing their leadership and personal career capabilities.