Cov teeb meem tseem ceeb tam sim no muaj yog:
3. Kev tiv thaiv tsob nroj tsuag tsuag drone kev cob qhia thiab kev pab cuam tom qab muag tsis nyob hauv qhov chaw, thiab tus neeg yuav khoom tsis twv ya, thiab nws suav tias yog kev kho kom zoo nkauj.
4. Kev paub tsis txaus ntawm cov tshuaj tshwj xeeb, thiab cov tib neeg dig muag cov tshuaj sib xyaw ua ke yuav ua rau muaj teeb meem xws li cov tshuaj tua kab ntau dhau thiab cov tshuaj tua kab tsis zoo.
5. Kev lag luam xav tau loj, qhov pib nkag tsis siab, thiab qib tshwj xeeb yog qhov nyuaj los txhim kho.
