简介： :A gauge or gage, in science and engineering, is a device used to make measurements or in order to display certain information, like time. A wide variety of tools exist which serve such functions, ranging from simple pieces of material against which sizes can be measured to complex pieces of machinery. A measuring instrument is a device for measuring a physical quantity. All measuring instruments are subject to varying degrees of instrument error and measurement uncertainty.Scientists, engineers

Gauges & Measuring Instrum

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