Ukubaluleka komnyango womlilo akunakulinganiswa ekulawuleni ukubhebhetheka komlilo, ukuhlukanisa umlilo, ukuqinisekisa ukuphepha kwabasebenzi kanye nokunciphisa ukulahleka kwempahla. Iminyango yomlilo ye-UL isetshenziswa eNyakatho Melika ngisho nakwamanye amazwe nezifunda ezinamazinga aziwayo e-UL.

iminyango ebhalwe phansi,umnyango womlilo vs umnyango ojwayelekile, ipuleti lokukhahlela lomnyango elilinganiselwe umlilo,izingxenye zesibambo somnyango ezibhalwe ukuthi, incazelo yomnyango,

umenzi wezicabha ezikwazi ukumelana nomlilo,ul iminyango ebhalwe phansi,umnyango omkhulu ongashi, impahla yomnyango wokufaka umlilo,izingxenye zesibambo somnyango ezibhalwe phansi,Ubukhulu bomnyango obukalwe ngomlilo, umnyango wensimbi x, ukusetshenziswa komnyango wokuphuma ezimeni eziphuthumayo, umnyango olinganiselwe umlilo iminithi engama-90,ebhalwe incazelo yomnyango,

iminyango yamapulangwe engashi,ul iminyango ebhalwe phansi,ukusetshenziswa komnyango wokuphuma ezimeni eziphuthumayo, umnyango olinganiselwe umlilo, indawo yokuhlala elinganiselwe umlilo