Vim li cas thiaj xaiv peb Tuna tin tuaj yeem

1. Corrosion kuj, zoo sealection, huab cua thiab lub teeb sib cais, tsim nyog rau cov khoom noj ntev dua ntawm txhua yam khoom noj, 2 lub zog siab, ntau ruaj khov nyob rau hauv cov txheej txheem kev thauj mus los thiab cia,

   3. Siv cov zaub mov muaj kev nyab xeeb thiab huv si qib qib sab hauv txheej kom ntseeg tau tias zaub mov muaj kev nyab xeeb

Peb Qhov Kom Zoo

Kev Cai Tsim: Peb Kub Muag DrD 2-thooj Lub taub hau Round Tin tuaj yeem nrog lub hau nrog rau kev xaiv cov xim thiab cov qauv cov qauv kom tau raws li cov neeg xav tau

Cov khoom siv zoo: Cov khoom zoo ua kom zoo tiav tau siv los ua kom muaj kev ruaj khov thiab kev nyab xeeb ntawm cov zaub mov ntim, hauv kab nrog kev siv cov qauv.

Peb yuav muab cov hnoos qeev 2-5 rau cov neeg siv khoom siv cov khoom lag luam, muab cov qhua tuaj noj mov los tshuaj xyuas qhov zoo thiab muaj feem xyuam ntawm cov khoom.

Peb cov kev pabcuam luam ntawv tau raws li cov kev xav tau ntawm peb cov neeg siv khoom thiab tsim cov ntawv luam ntawv raws li lawv cov kev xav tau

Tsis tas li ntawd, peb tau paub tab cov cuab yeej tsim tawm thiab kev paub dhau los, thiab tuaj yeem muab cov neeg siv khoom nrog cov qauv tag nrho ntawm Tuna Tnow tuaj yeem