Hais txog kev lag luam cov qauv thiab cov kev cai, kev lag luam thiab kev siv cov tshuab tsim kho yog ua raws li - thiab tswj hwm los ntawm - cov cai thiab cov cai. Cov neeg yuav khoom yuav tsum paub lawv tus kheej nrog thiab ua raws li cov txheej txheem kev cai lij choj no kom ntseeg tau qhov raug cai thiab kev nyab xeeb ntawm lawv cov kev lag luam. Tsis tas li ntawd, raws li ib puag ncig kev paub txog kev loj hlob, kev ua haujlwm ib puag ncig ntawm kev siv tshuab siv tau dhau los ua qhov tseem ceeb ntawm kev tsom mus rau cov neeg yuav khoom. Kev xaiv cov cuab yeej ua tau raws li cov qauv ib puag ncig tsis yog tsuas yog ua rau muaj kev tiv thaiv ib puag ncig nkaus xwb tab sis kuj tseem pab txo cov nqi khiav lag luam thaum lub sijhawm cov cuab yeej siv lub neej.
Thaum yuav khoom siv siv tshuab, nws tseem ceeb heev uas yuav tau xav txog cov teeb meem ntsig txog tom qab - kev muag khoom thiab cov khoom seem muaj. Kev xaiv rau cov neeg muag khoom lossis cov khoom lag luam uas muaj zog tom qab- kev txhawb nqa muag thiab cov khoom lag luam txhim khu kev qha khoom muab kev ruaj ntseg ntau dua thiab kev txhawb nqa thoob plaws hauv cov khoom siv ua haujlwm. Nqe yog lwm qhov tseem ceeb uas yuav tau xav txog. Tam sim no, cov nqi lag luam rau kev siv tshuab siv yog feem ntau txiav txim siab los ntawm kev sib xyaw ua ke ntawm cov khoom siv -xws li hom, qauv, hnub nyoog, qib ntawm hnav thiab tsim kua muag, thiab cov khoom siv hauv khw-thiab-xav kom muaj zog- ua rau muaj ntau tus nqi uas txawv ntawm kaum tawm txhiab mus rau ntau pua txhiab yuan.
Tshaj li tus nqi, cov neeg siv khoom siv siv tshuab yuav tsum tau ua tib zoo saib xyuas cov cuab yeej ua haujlwm thiab qhov zoo. Qhov no suav nrog kev txheeb xyuas qhov xwm txheej ntawm cov khoom tseem ceeb-xws li lub cav, hydraulic system, kis tau tus mob, thiab ua haujlwm txuas ntxiv - nrog rau kev ntsuas cov khoom siv tag nrho cov tsos thiab kev ua haujlwm zoo. Cov neeg yuav khoom tau raug qhia kom ua tiav kev tshuaj xyuas thiab kev sim ntsuas ntawm cov cuab yeej ua ntej yuav khoom kom ntseeg tau tias nws ua tau raws li lawv cov kev tsim kho tshwj xeeb thiab ua kom pom kev ntseeg siab.
