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.
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Limba Engleză ● Format PDF ● ISBN 9781467716864 ● Editura Lerner Publishing Group ● Publicat 2013 ● Descărcabil 3 ori ● Valută EUR ● ID 4756044 ● Protecție împotriva copiilor Adobe DRM
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