This book for elementary readers describes the sequence of inventions that brought us from outdoor cesspits to today's smart toilets, complete with customized user settings. Engaging photos and a running timeline illustrate important ideas and inventions that have changed the way we dispose of our waste. A table of contents, glossary, further resources, and an index are included.
ISBN: 9781681524726
PUBLISHER: Amicus
AUTHOR: Rachel Grack
READING LEVEL: GRADE 3
PAGES: 32
COPYRIGHT: 2020
SERIES: Sequence Developments in Technology
LEXILE: 750
SUBJECTS: Technology and Manufacturing
