The occurrence of malfunctions in a baby diaper making machine, leading to a loss of operational capability, is termed as a fault. When machine components lose their specified operational capacity, it is referred to as a failure. The faults in a baby diaper making machine and the failures of its parts are interconnected. Failures caused by normal wear and tear or physical and chemical changes, resulting in part deformations, fractures, erosion, etc., are categorized as natural failures.