20K views · 93 reactions | Sumi ink production in Japan was first introduced by monks in the 7th century. #ink #calligraphy #Japan | Insider Design | Facebook

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Inside modern factories, pens are filled with ink using automated precision machines where empty barrels are lined up and injected with measured amounts of liquid ink in seconds 🖊️😯 The system works by holding multiple transparent pen barrels in place while nozzles connected to large ink reservoirs descend to inject the exact required volume. Each pen is filled evenly, and as the liquid levels rise, the machine carefully retracts the nozzles to prevent any spillage, ensuring consistency across