I-ASTM A320 Ibanga L7 Ukucaciswa okuhlanganisa izinto ezingagqwali zensimbi ezingagqwali zensizakalo yokushisa ephansi. Lesi simbozo esijwayelekile sisongelwe, sakhiwa, noma ama-shigwala imigoqo eqinile, ama-bolts, ama-screws, ama-stud, kanye nama-bolts asetshenziselwa ukusetshenziselwa ukucindezela, ama-valves, amavutha, kanye nokufakelwa.