Also known as: AR., AR+
AR stands for various terms. Discover the full forms, meanings, and possible interpretations of AR across different fields and industries.
Welding with equipment that performs the welding operation without adjustment of the controls by a welding operator. The equipment may or may not load and unload the workpieces. Contrast with Machine Welding. OR A radiograph recorded photographically by radiation spontaneously emitted by radioisotopes that are produced in, or added to the material. This technique identifies the location of the radioisotopes.
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