Mukupinda kwandakaita kare Mapepa mafomati (chikamu I: DIN-A), isu takataura zvakadzama nezve zviyero zvemhando iyi yemafomati, asi isu takasiiwa kuti titaure nezve DIN-B and the DIN-C. Izvo hazvishandiswe pane zuva nezuva-zuva asi isu tinofanirwa zvakare kuziva nezve kuvapo kwavo uye kuziva hwaro hwayo kana tikazombofanira kuenda kwavari mubasa redu, kune wekugadzira kana wekugadzira zvakakosha kuti uve nerudzi urwu ruzivo.
Ivo vanonyanya kushandiswa kutumidza uye kuziva envelopu uye mabhegi.
Mafomati akateedzana B anogara akakura pane aya akateedzana A. Uye mafomati akateedzana C ari pakati pezviviri zvakapfuura. Kufanana neA mafomati, iwo akapatsanurwa kuita gumi akaenzana madiki-mafomati zvichienderana nesaizi mumamirimita eimwe neimwe yemativi avo.
Kune avo vane hunyanzvi pamasvomhu, zviyero zvinotevera: