Itumọ ẹrọ mimu iwe ti o ni apa meji-meji: jẹ ẹrọ mimu adaṣe adaṣe olona-pupọ, nipasẹ ifunni iwe laifọwọyi, lilẹ (ogiri ife alemora), epo, kikun, alapapo, Knurling, curling ati awọn ilana ilọsiwaju miiran bii wiwa fọtoelectric, itaniji aṣiṣe, kika ohun...
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