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BOOKS - NATURAL SCIENCES - Внимание, воздух!
Внимание, воздух! - Жолондковский О.И. 1985 PDF Московский рабочий BOOKS NATURAL SCIENCES
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Внимание, воздух!
Author: Жолондковский О.И.
Year: 1985
Number of pages: 161
Format: PDF
File size: 14,40 MB
Language: RU

The book tells about various types of dust and harmful gases, how and where they appear, what people must do in order for the air over cities to become clean. Much attention is paid to inventions that help in the fight against atmospheric pollution.

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