This article aims to identify the dominant features that have a significant impact on the health of a heavy machine that relates to the digital infrastructure of a company. The importance of this research is that the authors define predictive maintenance based on Principal Component Analysis (PCA). which is the novelty of this article. The novel contribution of this research lies in t... https://www.ealisboa.com/flash-grab-Hellfire-Sloe-Gin-special-find/