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Hi, I have my small R&D to do best to the globe and our next generation. I have won Asian award too reg economic and global warm up. We con't avoid transporters, but can correct. My main sub: Improved human energy ? My invention proved the hi-tech crank accelerate double the speed with less energy, suitable to travel 40KM/hr with single speed bi-cycle. Energy savings and pollution control ? My invention reg ...more »
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