1. Kev tu cev: Cov ntawv ntim hauv lub tsev noj mov ceev ceev yog siv tau thiab huv.
2. Recyclability: Feem ntau cov khoom siv pov tseg tuaj yeem rov ua dua tshiab, xws li ntawv thiab yas.
3. Txoj Cai: Txoj cai lij choj muaj qee yam kev txwv rau cov khoom siv pov tseg. Tsuav nws tsis ua txhaum txoj cai, nws yuav tsis ua rau muaj kev puas tsuaj ntau dhau rau ib puag ncig.
4. Cov khoom siv kho mob: ntau yam khoom siv kho mob yuav tsum tau muab pov tseg, uas tsis yog teeb meem ntawm ib puag ncig, tab sis teeb meem ntawm tib neeg lub neej.