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Tensile testing on a coir composite. Specimen size is not to standard (Instron). Tensile testing, also known as tension testing, [1] is a fundamental materials science and engineering test in which a sample is subjected to a controlled tension until failure.
X-ray vault used in Radiography. Nondestructive testing (NDT) is any of a wide group of analysis techniques used in science and technology industry to evaluate the properties of a material, component or system without causing damage. [1]
Indonesian Aerospace (IAe) (Indonesian: PT Dirgantara Indonesia), is an Indonesian aerospace company involved in aircraft design and the development and manufacture of civilian and military regional commuter aircraft, and a subsidiary of state-owned electronics manufacturer Len Industri [].
In software development, functional testing is a form of software system testing that verifies whether software matches its design.. Generally, functional testing is black-box meaning the internal program structure is ignored (unlike for white-box testing).
Student's t-test assumes that the sample means being compared for two populations are normally distributed, and that the populations have equal variances.Welch's t-test is designed for unequal population variances, but the assumption of normality is maintained. [1]