Ukuhlolwa kwekhwalithi lapho izimpahla eseziqediwe futhi zipakishiwe zihlolwa ngamasampula ngaphambi kokuthunyelwa.
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Ukuhlolwa ngaphambi kokuthunyelwa kwenziwa ngemuva kokuqedwa komkhiqizo futhi iningi lezimpahla selipakishiwe, ngaphambi kokuba zishiye imboni. Amasampula ngokuvamile akhethwa ngokungahleliwe kusetshenziswa indlela ye-AQL.
Ngokuvamile kuhlanganisa inani, ukubukeka nekhwalithi yomsebenzi, izilinganiso, ukuhlolwa kokusebenza, amalebula nokupakisha. Kuye ngomphumela, izimpahla ziyathunyelwa, kucelwa ukuthi zilungiswe kabusha noma kuhlelwe ukuhlolwa kabusha.