Увлекательные производственные процессы Кореи: От вентиляторов без электричества до ходунков

Korea’s Fascinating Manufacturing Processes: From Non-Electric Ventilation Fans to Walkers 1. No Electricity Needed? The Process of Making a Power-Free Ventilator Using the Bernoulli Principle 2. Korea’s Innovative Heating! The Production Process of an Internationally Patented Floor Heating System 3. cane disappears in the street! The process of manufacturing walkers for the elderly. Korea's First Medical Device Walker [BGM] Subscription-type paid music site : https://artlist.io/referral/4755d00f-...
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