Dab tsi yog Qhov Zoo Thiab Qhov Tsis Zoo Ntawm Cov Ntoo-Yas Sau cov khoom siv?

Lub ntsiab zoo ntawm cov ntoo-yas tshuaj cov ntaub ntawv yog raws li nram no:

A. Kev txhim kho kev lag luam thiab kev txhim kho kom ruaj khov, tshwj xeeb yog tsim nyog rau kuv lub teb chaws' txoj cai kev lag luam hauv teb chaws ntawm" tiv thaiv hav zoov"

B. Lub sijhawm ntev, ua lub neej ntev, zoo ib yam li cov ntoo zoo nkauj, cov tawv tawv dua yas;

C. Muaj cov yam ntxwv lub cev zoo, zoo tshaj qhov ruaj khov zoo dua li ntoo, yuav tsis tsim cov kab nrib pleb, kev tawm tsam, tsis muaj pob ntoo, twill, ntxiv cov xim sib xyaw xim, txheej txheej lossis txheej txheej tuaj yeem ua rau ntau cov khoom muaj yeeb yuj;

D. Nws muaj cov txheej txheem ua ntej ntawm cov roj pwm thiab yooj yim rau pwm. Nws tuaj yeem tsim los ntawm cov khoom siv yas dav dav lossis tom qab kev hloov kho me ntsis. Kev nqis peev tshiab hauv kev ua cov cuab yeej siv yog tsawg, uas yooj yim rau kev nce qib thiab daim ntawv thov;

E. Muaj kev ua tiav thib ob zoo li ntoo, uas tuaj yeem txiav, sib raug zoo, kho nrog cov ntsia hlau lossis ntsia hlau;

F. Ua kom yooj yim kho kom zoo nkauj thiab kho kom zoo nkauj, tuaj yeem ua kom zoo nkauj thiab ua kom zoo nkauj, cov khoom lag luam tshwj xeeb thiab cov duab tuaj yeem hloov kho raws li tus neeg siv yuav tsum tau ua, yoog yog loj;

G, tsis yog ntshai kev cua nab, kev laus ua hauj, kev ua hauj corrosion, kev nqus dej tsawg, tsis tuaj yeem nqus thiab deformation; h, tuaj yeem siv thiab rov ua dua tshiab, biodegradable, thiab tiv thaiv ib puag ncig;

I. Siv rau kev tiv thaiv ib puag ncig, cov khib nyiab ntoo, cov khoom cog thiab cov yas khib nyiab tuaj yeem siv ua cov khoom siv;

J. nplua nuj nyob hauv cov peev txheej, cov nqi qis, thiab qis tus nqi siv.

Tam sim no qhov tsis txaus thiab tsis zoo ntawm cov ntoo-yas cov khoom siv yog:

Lub tsho tawv yog qis dua li niam txiv yas, thiab cov khoom siv hauv tsev thiab cov dej ntws hauv qab yuav tsum tau kho thiab hloov kho kom raug.