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Now the ruler in the use of pick up from the desktop or on the ground very easily, and often occur erase lines to be ruler of the phenomenon.
Designed to tilt so that the left ruler. Press down after use, the other end up tilt. This will not take up the line to be ruler inconvenient or erase.
Jiangxi University of Finance and economics
Jiangxi university of finance and economics MaiLu campus static, E-216, China
Jiangxi University of Finance and economics
Jiangxi university of finance and economics MaiLu campus static, E-216, China