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The workers would meet a lot of difficulties during assembling a machine. Such as: taking our screws from the pockets or bags is not very convenient for a worker who is standing on the high ladder or doing jobs at a very dangerous place. screw helping handcan provide us a way to solve this problem. We can fix several screws on it, and then put 2 or 3 this tool on the every screw-driver bit, so the workers would do their jobs more easily.
YUAN Xiao, WU Jia,WANG Junmiao,PAN Dai, HE Shushu