Umnyango womlilo we-UL ubhekisela kumnyango womlilo oqhelekileyo waseMelika, osetyenziswa eNyakatho Melika nakwamanye amazwe kunye nemimandla eqaphela imigangatho ye-UL. Ukwahluke kwezinye iingcango zomlilo, into ecacileyo yeengcango zomlilo ze-American Standard kukuba iingcango zomlilo ze-American Standard kufuneka zivavanywe ngesando samanzi omlilo. Wamkelekile ukudibana nathi.