Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
Technology and Engineering
This book provides an easy-to-understand, 100-item, all-color illustration of "useful things and systems" that are familiar to you. Although you often use it or see it often, there are probably many people who live without knowing much about the original mechanism, significance, and origin of the thing. This book you the knowledge and education that we need to know.