Lub g 80 cov saw hlau yog qhov tseem ceeb rau kev nqa khoom hnyav ntawm cov khoom nqa, tab sis rau lawv, yog tias muaj qhov sib txawv ntawm cov taub, yuav muaj ntau qhov sib txawv thiab cov khoom siv hauv daim ntawv thov.
Feem ntau, qhov loj me ntawm txhua qhov cuab yeej nqa hauv kev lag luam nqa khoom yuav tsum muaj xwm yeem rau lub nra, yog li ntawd qhov zoo ib yam rau g 80 marine chains thauj tog rau nkoj. Thaum nqa tawm hoisting thiab nqa ua haujlwm, cov cuab yeej nqa khoom hnyav yuav nruab nrog cov saw nrog txoj kab uas hla loj, yog li ua kom muaj kev nyab xeeb thiab ruaj khov ntawm kev ua haujlwm thaum ua tiav cov tshuab nqa cov nyhuv.
Qhov txoj kab uas hla ntawm g 80 marine thauj tog rau nkoj saw qhia nws cov thauj mus rau ntau qhov loj, tab sis vim tias lawv qhov txawv daim ntau ntev, cov khoom siv thauj khoom nrog tib lub taub kuj tseem yuav sib txawv. Cov ntaub ntawv ntau yuav tsum tau txiav txim siab thaum xaiv cov ntawv thov. Yog lawm, hauv kev siv, kev coj ntawm cov saw kuj tseem yuav muaj qee yam cuam tshuam rau nws txoj kab uas hla, tab sis nws yuav tsis ua rau muaj kev hloov ntau dhau. Txhawm rau kom tsis txhob raug xwm txheej, koj yuav tsum tau saib xyuas kom zoo ua ntej siv thiab nrhiav thiab daws cov teeb meem hauv lub sijhawm.
