explain_eduverse_ on Instagram: "This 1912 washing machine, built from copper, gears, and hand-cranked mechanics, represents one of the biggest turning points in household history. . . Before electricity and modern appliances, machines like this used intricate gear systems to agitate clothes, replacing hours of exhausting hand-washing with a smoother, faster process. . . Its copper drum, mechanical arms, and precise engineering made laundry a completely different task — transforming it from back