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2. Micrometer (device) - Wikipedia

   en.wikipedia.org/wiki/Micrometer_(device)

   Blade micrometers have a matching set of narrow tips (blades). They allow, for example, the measuring of a narrow o-ring groove. Pitch-diameter micrometers (aka thread mics) have a matching set of thread-shaped tips for measuring the pitch diameter of screw threads. Limit mics have two anvils and two spindles, and are used like a snap gauge ...

3. Bore gauge - Wikipedia

   en.wikipedia.org/wiki/Bore_gauge

   The gauge is then removed and measured with the aid of a micrometer anvil heads, move the head of the gauge around while making the measurement to ensure you get the maximum reading. Grasp the gauge near the head to aid in your maneuvering of the gauge while adjusting the micrometer so it just stops the gauge's motion at one spot only.

4. Criticism of Amazon - Wikipedia

   en.wikipedia.org/wiki/Criticism_of_Amazon

   Placards and a papier-mâché Jeff Bezos head at London "Make Amazon Pay" protest in 2021. Amazon has been criticized on many issues, including anti-competitive business practices, its treatment of workers, offering counterfeit or plagiarized products, objectionable content of its books, and its tax and subsidy deals with governments.

5. Micrometer - Wikipedia

   en.wikipedia.org/wiki/Micrometer

   Micrometer can mean: Micrometer (device), used for accurate measurements by means of a calibrated screw; Micrometre, a millionth of a metre

6. Micrometre - Wikipedia

   en.wikipedia.org/wiki/Micrometre

   The micrometre (Commonwealth English as used by the International Bureau of Weights and Measures; [1] SI symbol: μm) or micrometer (American English), also commonly known by the non-SI term micron, [2] is a unit of length in the International System of Units (SI) equalling 1 × 10 −6 metre (SI standard prefix "micro-" = 10 −6); that is, one millionth of a metre (or one thousandth of a ...

7. Coordinate-measuring machine - Wikipedia

   en.wikipedia.org/wiki/Coordinate-measuring_machine

   A coordinate-measuring machine (CMM) is a device that measures the geometry of physical objects by sensing discrete points on the surface of the object with a probe. Various types of probes are used in CMMs, the most common being mechanical and laser sensors, though optical and white light sensors do exist.

8. Filar micrometer - Wikipedia

   en.wikipedia.org/wiki/Filar_micrometer

   The precursor to the filar micrometer was the micrometer eyepiece, invented by William Gascoigne. Earlier measures of angular distances relied on inserting into the eyepiece a thin metal sheet cut in the shape of a narrow, isosceles triangle. The sheet was pushed into the eyepiece until the two adjacent edges of the metal sheet simultaneously ...

9. Picometre - Wikipedia

   en.wikipedia.org/wiki/Picometre

   The picometre (international spelling as used by the International Bureau of Weights and Measures; SI symbol: pm) or picometer (American spelling) is a unit of length in the International System of Units (SI), equal to 1 × 10 −12 m, or one trillionth (⁠ 1 / 1 000 000 000 000 ⁠) of a metre, which is the SI base unit of length.