Soap, foam, bubbles. The history of cleanliness.
Author: ИВАНОВА Ю.
Printhouse: Nastia i Nikita
Series: Nastya and Nikita
Age restrictions: 6+
Year of publication: 2022
ISBN: 9785907501355
Number of pages: 24
Size: 27 x 21 x 0.2 mm
Cover type: Мягкая бумажная
Weight: 90 g
ID: 1319501
Who invented soap and what was used before it? Why is water alone not enough to be clean? What is a soap molecule made of and how does it work? In this book — the history of cleanliness from ancient times to the present day, when soap still helps us stay healthy.
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