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The design about identifiable caps is based of ordinary bottle caps. Sometimes, we can’t find which are ours when we facing mang same bottles. The identifiable caps put a type of particular ink and coat on ordinary bottle caps , the perimeter edges prevent ink and coats be erased heedless. We can scrape out tag anywhere on the bottle cap, then we won’t worry about taking wrong bottle of water.
Liaoning Shihua University
liaoning fushun, China
Cao yin Qiao hongyue Tian geng Zhang lu