Tam sim no, nrog huab cua khov, feem ntau cov dredgers tsis ua haujlwm. Qhov no ua rau cov lus nug: yuav ua li cas peb yuav daws cov dredgers thaum lawv tsis siv? Qhov no yog ib qho teeb meem tseem ceeb heev, vim tias kev tswj xyuas kom zoo thaum lub sij hawm poob yog qhov tseem ceeb los xyuas kom meej qhov zoo ntawm cov dredger thiab ua kom yooj yim txij nkawm.
Ua ntej, nws yog ib qho tseem ceeb kom ntxuav lub dredger kom huv si. Txawm hais tias dredgers muaj kev tso tawm, qee qhov seem thiab av yuav nyob twj ywm. Cov khib nyiab no yuav tsum tau muab ntxuav kom sai thiab tsis pub nyob hauv cov cuab yeej siv rau lub sijhawm ntev, vim qhov no tuaj yeem ua rau cov khoom sib kis thiab, dhau sijhawm, kev puas tsuaj. Yog li ntawd, kev tu kom zoo thaum lub sij hawm poob yog qhov tseem ceeb rau kev tswj xyuas lub dredger qhov zoo.
Qhov thib ob, thaum lub sij hawm lub dredger downtime, nws yog ib qho tseem ceeb los tiv thaiv qee yam khoom los ntawm xeb. Ua raws li cov kev ceev faj no zoo tiv thaiv corrosion (lub ntsiab lus decay, disintegration, los yog yaig) tshwm sim nyob rau hauv cov huab cua, yog li khaws cia tag nrho cov khoom zoo. Yog li ntawd, kev saib xyuas yuav tsum tau them rau qhov no thaum tuav. Los ntawm kev hais txog cov ntsiab lus no, khaws cia lub dredger thaum lub sij hawm poob yuav tsis muaj teeb meem.
