Sᴜᴍɪᴛ on Instagram: "This video shows a manually operated, low-tech washing setup that demonstrates how basic mechanical principles can replace electricity when needed. The rotating blue drum works like the drum in a modern washing machine: as it spins, water and gravity force clothes to tumble repeatedly, helping loosen dirt through friction rather than motors. The axle connected to a bicycle wheel allows rotational motion to be generated by hand or foot power, converting human energy into mech