BOOKS - FOR CHILDREN AND PARENTS - Машины на стройке Модели строительных машин...
US $7.57
641249
641249
Машины на стройке Модели строительных машин
Author: Либерман Л.М.
Year: 1960
Format: DJVU | PDF
File size: 13,57 MB
Language: RU
Year: 1960
Format: DJVU | PDF
File size: 13,57 MB
Language: RU
The task of this book is to acquaint schoolchildren in grades 5-6 with the main types of construction machines and to clearly show how a scraper, grader, walking excavator or tower crane works. Therefore, all models, with the exception of the simplest ones, act by reproducing the main working movements of a real machine. Built models of construction machines can be used as visual aids at school or transferred to kindergarten as technical toys for children of older groups. The production of models for such a purpose is provided for by the requirements of the Steps of the Young Pioneer. For an eight-year school.
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