23 ฤดูกาล
705 ตอน
Modern Marvels - Season 6 Episode 38
The history of civilization could easily be measured in terms of our ability to make, use, and improve tools–an activity that is at least 4 million years old! At the tip of our toolmaking timeline are power tools. We’ll examine today’s power tool industry, which is booming thanks to more powerful, lighter, and quieter cordless tools.
- ประเทศ : United States of America
- ประเภท : Documentary
- ผู้อำนวยการ : Bruce Nash
- นักแสดง :
