Vuba aha, leta ya Mexico irimo gutegura ibara rishya ryerekana kaseti kugirango ikoreshwe mu mutekano, icyatsi na feza birashobora kwemerwa aho kuba ubururu na feza, kandi nimero yamabara ku ikarita yamabara ya Pantone irashobora kuba 2421. Urashobora kubona ibara rishya rishobora gukoreshwa mugihe cyihuse kandi ibara rya kera rizangwa vuba.

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