Cov lus qhia sai thiab zoo tshaj plaws, tus kws pab tswv yim qhia kom pab koj xaiv cov kev daws teeb meem uas haum thiab cov chaw pabcuam tseem ceeb, lub luag haujlwm tseem ceeb rau kev them cov tshuaj yej lub hnab,Tshuaj yej sacheys, Pob tawb me me Daim Ntawv Chocolate Lim, Degradable cov hnab ntim,Lim Hnab NylonCov. Puas yog koj yuav tsum tau saib xyuas ib hnub mus ib txhis zoo ntawm tus nqi zoo heev thiab xa khoom raws sij hawm. Hais rau peb. Cov khoom yuav muab rau thoob plaws ntiaj teb, xws li Tebchaws Europe, yog ib txwm muaj kev tswj hwm ntawm ISO