Improved band model for control boards of work plans, conceived based on a strip of aluminum, plastic or similar strip, in which its lower selvedge has been bent 180º forming a regular forward curve. Housed inside the aforementioned curve, bands are placed that are designed with a strip similar to the previous one, but without curving its selvedge, but forming a kind of flap at its left end in order to accentuate its maneuverability with a single finger. These bands have marked regular graduations along their length and in the transverse direction and can be of different colors. (Machine-translation by Google Translate, not legally binding)
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