1. Mnd-c15 nce ntaiv: Qhov no yog cov khoom siv dag zog zoo nkauj thiab smith cattral yog txhua tus tuaj yeem pab kom tsis txhob muaj kev raug mob.
2. Nws suav nrog Horn kov, dhia platform thiab lwm yam khoom siv kom tau raws li cov kev xav tau kev cob qhia ntau ntawm cov kws qhia.
3. Coob tus neeg tuaj yeem siv nws tib lub sijhawm.
4. Tus neeg siv tau tawm dag zog ntau cov leeg ntawm lub cev txawm hais tias muaj ntau yam kev tawm dag zog.
5. Piv txwv li: Xa mus ntxiv tuaj yeem txhim kho sab saud sab saud, tsim kev sib txawv yuav ua rau kev ua kis las ua kis las.
6. Nws yog qhov ruaj khov, vim tias nws txuas nrog 8 qhov chaw hauv av, qhov no tuaj yeem paub meej txog cov neeg siv kev nyab xeeb.
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8. Tus ncej yog kho nrog acid pickling thiab phosphating, thiab kuj tau nruab nrog peb-txheej txheem hluav taws xob cov txheej txheem, nws tuaj yeem ua kom pom zoo nkauj thiab ua kom cov xim tsis yooj yim poob.
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10. Qhov ntev thiab qhov siab ntawm cov khoom tuaj yeem kho tau raws li qhov chaw ntawm cov neeg siv khoom lag luam, peb muaj ntau lawm.