Phau ntawv ntawm kev ua ub no tuaj yeem muab sijhawm lom zem thiab kev kawm rau cov menyuam yaus, ua cov ntawv nplaum rov qab siv tau zoo rau cov niam txiv thiab cov kws qhia ntawv ib yam nkaus.
Cov menyuam yaus tuaj yeem tsim thiab tsim dua tshiab, cov dab neeg, thiab tsim ntau zaus raws li lawv nyiam, txhawb kev xav ua si thiab muaj tswv yim.