Peb hom tooj liab feem ntau siv hauv kev tsim kho vaj tse thiab kev lag luam yog Hom K, Hom L, thiab Hom M. Ib hom plaub, siv rau cov dej khib nyiab, lossis DWV, piping, feem ntau pom hauv qee lub tsev laus. . Hauv qab no, peb yuav tham txog yuav ua li cas xaiv cov yeeb nkab tooj liab zoo rau koj daim ntawv thov.
