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www.reference.com/science/measuring-tool-b57eb2e33189f6f7

A measuring tool is anything used to take a count of quantitative data, such as weight, length, time or temperature. Rulers and scales are two common types of measuring tools. Measuring tools can be very precise, but low quality ones can lead to faulty measurements.

www.reference.com/article/unit-measure-paper-thickness-417f6331509faa7d

Manufacturers measure paper thickness in units called "mils." One mil is equal to one one-thousandth of an inch, and thicker paper provides better dispersal of ink. The name of this measurement for paper is its "caliper."

www.reference.com/science/tool-used-measure-density-60d0437c417f52ac

Density is defined as mass per unit volume, so it is necessary to measure both the weight and volume of an object to determine its density. Use a scale to measure the object's weight. A ruler can be used to measure the dimensions of an object and calculate its volume.

www.reference.com/article/tools-used-measuring-angles-29b19deccf2d64

Some tools used to measure angles include protractors, transit levels, speed squares and bevel protractors. Protractors have a straight edge with ruler markings and a semicircular top that students use to measure angles by aligning the lines of triangles with the degrees marked on the circular edge.

www.reference.com/article/ways-measure-plastic-film-thickness-4383fda6e8f4b09a

The most accurate form of measuring plastic film thickness in common industrial use is by using one of a range of infrared spectroscopy methods on a sample of the film. These include measurement by transmission, attenuated total reflection, specular reflection and infrared microscope methods.

www.reference.com/article/tool-measures-air-pressure-a2c139bb68b67862

The barometer is a tool that measures air pressure. Barometers are calibrated for a specific unit, that displays the current air pressure of the environment that the tool is exposed to.

www.reference.com/article/tools-measuring-angles-e7c72523b01c987f

A protractor, a transit level, an adjustable triangle and a speed square are all tools for measuring angles. Some tools are specific to certain professions.

www.reference.com/article/brake-pad-thickness-measuring-important-1dd3d8ff04d6e121

Brake pad thickness is important because, over time, the friction between the brake pads and the rotors wears down the pads, necessitating replacement. When brake pads are less than 3 mm thick, they should be replaced with fresh pads. Since they are always replaced in pairs, only one pad needs to be

www.reference.com/article/were-early-tools-aid-measurement-d68fd5b7d742f73

Some early tools that helped aid in measurements were the human body, metal bars and the lead line. One of the first standardized forms of measurement was the Egyptian cubit, which was the length from the elbow to the tip of the middle finger.

www.reference.com/article/thick-blood-15b6a21851e61427

Thickened blood is a condition called hypercoagulation and it is caused by chemical exposure, genetic coagulation defects, virii, bacteria, mycoplasmas and/or parasites, according to Diagnose-Me.com. It occurs when fibrin is deposited in the small blood vessels.