<prompt> Bheka isigaba esingezansi bese uphendula umbuzo emva kwalokho ngolimi olufanayo nesigaba: Ukudlula: Ubukhulu obujwayelekile kanye nendawo yemigodi yokufaka amaphepha ephonswe ephepheni yi-International Standard ISO 838. Izimbobo ezimbili ezinobubanzi obungu-60.5 mm zenziwa ephepheni. Izikhungo zalezi zimbobo ziqhelelene ngo-800,5 mm futhi ziqhelelene ngo-121 mm kuya emaphethelweni aseduze ephepha. Izimbobo zitholakala ngokulingene maqondana ne-eksisi yephepha noma idokhumenti. Umbuzo: Yisiphi isimiso esivame kakhulu lapho kugcwaliswa izimbobo ephepheni?  <response>: Izinga lamazwe omhlaba i-ISO 838 