Mass Production Process of Making Sport Glasses. Sunglasses Factory in Korea.
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Korea's glasses manufacturing process showing a clear world
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The Most Exciting Mass Production and Manufacturing Technologies of the Year
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Unique Handmade Glasses making process by Korean Artisan
16:40
Process of Making Sports Sunglasses. 40 Year Old Korean Eyewear Optical Factory
59:36
A Japanese craftsman who has dedicated his life to making acoustic guitars. アコースティックギター 製作
19:25
Mass production process of rubber baseballs and softballs at a 100-year-old Japanese factory.
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The process of making an office chair that is comfortable to sit on. Amazing Korean chair factory
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