Yas npog rau khaub ncaws yog ua los ntawm PE khoom, kuj yog PP khoom, uas yog ib puag ncig-phooj ywg, tsis muaj tshuaj lom.Nws yog tsim rau cov menyuam yaus cov khaub ncaws, cov neeg laus cov khaub ncaws.Txhua qhov loj me thiab lub logo tuaj yeem hloov kho.