english: And they then wrote code,  usually machine code, sometimes binary code, which was then sent by mail to a data center to be punched onto paper tape or card and then re-punched,  in order to verify it.
non_english: A onda bi radili kodiranje, obično kodiranje za mašine, a ponekad i binarni kod, koji bi se tada slao poštom u centar podataka kako bi bio utisnut na papirnu traku ili karticu bušenjem i onda ponovno izbušio kako bi se proverio.