Do rotating energy tools such as tablesaw, jointer, or angle grinder exert hundreds or thousands of g-forces on their own rotating parts? s.replaceAll considers \s as a regex alternatively(reminiscent of Area) and replaces Areas with c. \s in String s is escaped with 1st encountered and gets to be s. https://fernandovogyr.techionblog.com/37995175/details-fiction-and-hp-printers