<prompt> Bheka isigaba esingezansi bese uphendula umbuzo emva kwalokho ngolimi olufanayo nesigaba: Ukudlula: ESweden, kusetshenziswa indinganiso kazwelonke enezimbobo ezine cishe kuphela. Izikhungo zemigodi zihlukaniswe ngama-21 mm, 70 mm no-21 mm. Lezi ziqondiso zisiza ekulondolozeni iphepha liqondile. Umbuzo: Yiziphi izinombolo ezakha indinganiso kazwelonke yezimbobo ezine?  <response>: 21 mm, 70 mm futhi 21 mm 