Yyy135 Poob Dart Cov Cuam Tshuam Cov neeg ntauser tau siv nyob rau hauv kev cuam tshuam rau cov lus qhia txog yas thiab cov ntawv qhia kom tsawg dua 1 hli, uas yuav ua rau muaj 50% kuaj cov hnoos qeev.