<prompt> Bheka isigaba esingezansi bese uphendula umbuzo emva kwalokho ngolimi olufanayo nesigaba: I-Passage: I-NR-30 yayiyisibhamu esisodwa, i-short recoil operated cannon, empeleni inguqulo ekhulisiwe yesibhamu esingu-23 mm NR-23 esethulwe ngo-1949. Yayidubula isibhamu esikhulu esasinesisindo esiphindwe kabili kunesibhamu esingu-23 mm se-NR-23, esadinga ibhuleki lomlomo elinomshini wokuvala amalangabi ohlanganisiwe ukuvimbela ukulimala kwesakhiwo sezindiza. Ngaphambi kwalesi sibhamu, izikhali ezijwayelekile zaseSoviet zazinemishini emibili engu-23 mm nesibhamu esisodwa esingu-37 mm, ezazingafani neze. I-23 mm yayinamandla impela, kodwa ngesivinini sokuqala esiphansi, kuyilapho i-37 mm yayingenaso isilinganiso somlilo nesibambiso sezinhlamvu. Umbuzo: Luhlobo luni lwebhuleki oludingekayo?  <response>: ibhuleki lomlomo 