Lub siab lim siab zoo yog siv rau kev sib cais thiab tshem tawm cov khoom tsis zoo ntawm cov kua. Nws muaj peev xwm ua tau zoo ntau lawm, tsis muaj dej ntau ntawm cov lim ncuav mog qab zib, kev siv zog me me, thiab tsis muaj kuab paug. Tag nrho cov txheej txheem lim tau tiav ncaj qha.