Kub xovxwm khoom sticking pwm

Qee lub sij hawm cov khoom lo rau cov pwm thiab tsis yooj yim rau kev tso tawm, uas ua rau muaj kev puas tsuaj loj ntawm cov khoom. Qhov laj thawj yog vim li cas tus neeg tso tawm sab hauv yog ploj lawm hauv cov khoom; cov pwm tsis raug ntxuav thiab tso tawm tus neeg sawv cev tsis nco qab; qhov saum npoo ntawm cov pwm puas lawm. Txoj kev daws teeb meem yog tswj hwm cov khoom zoo, ua tib zoo ua haujlwm, thiab kho pwm puas hauv lub sijhawm kom ua tiav cov pwm tiav.