Hello everyone Hope you all are doing good and happy Blessings with you all !!! I want to know what is a RA tester in maths pls tell?? Is it this??
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Roughness Tester. ... A roughness tester is used to quickly and accurately determine the surface texture or surface roughness of a material. A roughness tester shows the measured roughness depth (Rz) as well as the mean roughness value (Ra) in micrometers or microns (µm).
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yes it is a ra tester
Step-by-step explanation:
RA tester or the roughness tester is used to quickly determine the surface texture or surface roughness of a material
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