Before revision: Due to the variety of aircraft, the equipment are classified in categories.5.0 Temperature Variation These tests exercise the assemblies capability of surviving extreme temperature changes and the effects of differing coefficients of thermal expansion.6.0 Humidity These tests under humidity check the effects of high concentrations of humidity and the articles ability to withstand moisture effects .
After revision: such as corrosionDue to the variety of aircraft, the equipment are classified in categories.5.0 Temperature Variation These tests exercise the assemblies capability of surviving extreme temperature changes and the effects of differing coefficients of thermal expansion.6.0 Humidity These tests under humidity check the effects of high concentrations of humidity and the articles ability to withstand moisture effects .