Cov pa tawm ua pa, ua pa tsis muaj zog thiab tsis muaj kev cuam tshuam, cov hlau nplaum ruaj khov DC ntsiag to kiv cua, cov pa muag muag, ua pa yooj yim ib txoj kev tso pa tawm, tso pa los ntawm qis dua, tsis yooj yim rau cov kab mob, thiab tiv thaiv menyuam yaus ua pa.