Stinky Sanitation Inventions

Katie Marsico

2017年1月 · Lerner · 讲述者：Intuitive

关于此有声读物

Did you know that people with rakes used to do the work of garbage trucks? Or that porta-potties were put on ships to keep workers from running to shore for bathroom breaks? Get ready to learn the odd stories behind inventions you use every day. From the T.P. of Chinese emperors to the landfills of ancient Greece, you'll find out how we got the sanitation inventions that keep us healthy and keep the world smelling fresh.