When he couldn’t afford the pricey prosthetic arms, a Chinese farmer created his own pair of functional artificial arms from steel. Sun Jifa, from Jilin province of China, lost his arms almost a decade ago when an explosive went off prematurely while fishing.

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After the accident, Sun could only afford a good pair of prosthetic arms. Despite lacking the required resources and prior knowledge, he spent almost a decade building his own pair of bionic arms.

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As seen from the video, his invention has turned into a lucrative business; to date, Sun estimates that he has sold more than 1000 handmade artificial arms with each going at 3000 yuan ($490).

Sun, 53 says: “By using these hands, I can help the family with chores. I can do some farm work. I’m not useless. I really feel a weight has lifted. I feel I’m not a freeloader. I can be useful.”

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