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It is tape dispenser, also have ruler’s function. We always use tape to paste material,but when we need to
paste some same lengths, it will be a big test. We only can rely on our eyes to guess the lengths and
tear tape.Tape always too long or too short, and tore tape was not beautiful and very wasteful, if we
can know how lengths to be used,that will be more convenient and economize.
This tool used the rolling gear axis to calculate the distance, and quick show the distance number on
display for the user.
National Cheng Kung University
I Jui Lee