Lub thawv ntawv tiv thaiv menyuam yaus

Cov thawv tiv thaiv menyuam yaustau ua los ntawm kev saib xyuas kom meej thiab meej kom ntxiv tus nqi tshwj xeeb thiab kev zoo nkauj, ua rau lawv yog ib txoj hauv kev ntim khoom tshwj xeeb thiab nyiam heev.

Nta:

•Kev tsim tshwj xeeb thiab hnyav heev los txhim kho kev nyab xeeb;

•Tsim los nrog cov khoom siv thiab cov qauv ruaj khov los tiv thaiv kev puas tsuaj thiab kev cuam tshuam;

•Gzoo quasi-zoo thiab durability;

•Ckev tsim qauv raws li qhov xav tau thiab tus kheej;