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2. Optical comparator - Wikipedia

   en.wikipedia.org/wiki/Optical_comparator

   [4] On this screen there is typically a grid that can be rotated 360 degrees so the X-Y axis of the screen can be aligned with a straight edge of the machined part to examine or measure. This projection screen displays the profile of the specimen and is magnified for better ease of calculating linear measurements.

3. Measurement system analysis - Wikipedia

   en.wikipedia.org/wiki/Measurement_system_analysis

   A measurement system analysis (MSA) is a thorough assessment of a measurement process, and typically includes a specially designed experiment that seeks to identify the components of variation in that measurement process. Just as processes that produce a product may vary, the process of obtaining measurements and data may also have variation ...

4. System of units of measurement - Wikipedia

   en.wikipedia.org/wiki/System_of_units_of_measurement

   In antiquity, systems of measurement were defined locally: the different units might be defined independently according to the length of a king's thumb or the size of his foot, the length of stride, the length of arm, or maybe the weight of water in a keg of specific size, perhaps itself defined in hands and knuckles. The unifying ...

5. Dimensional analysis - Wikipedia

   en.wikipedia.org/wiki/Dimensional_analysis

   A set of base units for a system of measurement is a conventionally chosen set of units, none of which can be expressed as a combination of the others and in terms of which all the remaining units of the system can be expressed. [5] For example, units for length and time are normally chosen as base units.

6. Metrology - Wikipedia

   en.wikipedia.org/wiki/Metrology

   A national measurement system (NMS) is a network of laboratories, calibration facilities and accreditation bodies which implement and maintain a country's measurement infrastructure. [8] [9] The NMS sets measurement standards, ensuring the accuracy, consistency, comparability, and reliability of measurements made in the country. [58]

7. What Your Front Door Color Means and Says About You

   www.aol.com/front-door-color-means-says...

   If you want a big dose of energy when you view the front of your home, look no further than a red front door. Lewis says that the color red is a “passionate, amped up” and even “prosperous ...

8. Coherence (units of measurement) - Wikipedia

   en.wikipedia.org/wiki/Coherence_(units_of...

   James Clerk Maxwell played a major role in developing the concept of a coherent CGS system and in extending the metric system to include electrical units.. A coherent system of units is a system of units of measurement used to express physical quantities that are defined in such a way that the equations relating the numerical values expressed in the units of the system have exactly the same ...

9. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!