O le ASTM A320 vasega L7 faʻamatalaga faʻapitoa coress stanless uamea beling boltings mo le maualalo o le vevela o le tamaoaiga tautua. O lenei faʻavae na faʻataoto e faʻataoto ai, ma ua faʻatafulaloina papue faʻapipiʻi, o saito, tulu, ata, ma ato pupora, ma faʻalelei.