Cov hlua khi hlau thiab cov saw hlau yog ob hom khoom siv nqa khoom nrov uas siv tau rau ntau yam kev siv hauv ntau yam lag luam. Ob leeg muaj lawv qhov zoo thiab qhov tsis zoo, thiab kev xaiv ntawm ob hom hoists no nyob ntawm ntau yam xws li qhov hnyav ntawm lub nra, qhov siab ntawm lub tshuab nqa, thiab ib puag ncig uas nws siv.
Ib txoj hlua hlau siv ib txoj hlua hlau los tsa cov khoom hnyav. Cov hlua hlau yog ua los ntawm ntau txoj hlua me me uas sib xyaw ua ke, muab lub zog thiab kev ruaj khov. Cov hlua hlau hoists nrov vim lawv yooj yim rau kev khiav lag luam thiab tuaj yeem tsa cov khoom hnyav txog li ntau pua tons hauv qhov hnyav. Qhov ceev ntawm kev tsa cov hlua hlau hoist kuj sai dua li lub saw hoist. Lwm qhov zoo ntawm cov hlua hlau hoists yog tias lawv tuaj yeem siv rau hauv qhov chaw nyuaj, xws li pom hauv cov chaw tsim khoom lossis cov chaw tsim kho sab nraum zoov.
Ntawm qhov tod tes, cov saw hlau siv cov saw hlau los tsa cov khoom thauj. Cov saw hlau feem ntau siv rau cov khoom thauj me dua thiab cov khoom nqa luv dua piv rau cov hlua hlau hoists. Txawm li cas los xij, cov saw hlau hoists muaj qhov siab nqa luv dua thiab qhov ceev nqa qis dua li lawv cov hlua hlau counterparts. Cov saw hlau hoists feem ntau nyiam vim lawv yooj yim thiab kev ntseeg siab. Lawv yooj yim rau kev saib xyuas thiab muaj tsawg dua qhov txav mus los dua li cov hlua hlau hoist, ua rau lawv tsis tshua muaj kev puas tsuaj.
Ib qho ntawm qhov sib txawv tseem ceeb ntawm cov hlua hlau hoist thiabcov saw hlauyog lawv lub peev xwm nqa. Cov hlua hlau feem ntau siv rau cov khoom hnyav dua, thaum cov saw hlau hoists tsim nyog rau cov khoom sib dua. Qhov no ua rau cov saw hlau hoists tsim nyog dua rau kev siv hauv thaj chaw xws li cov tsev rau khoom lossis cov kab sib dhos, qhov twg qhov ceev ntawm kev nqa tsis tseem ceeb.
Lwm qhov txawv yog qhov ceev ntawm kev nqa. Cov hlua hlau hoist ceev dua li cov saw hlau hoist, ua rau lawv ua haujlwm tau zoo dua rau cov ntawv thov uas qhov ceev ntawm kev nqa yog qhov tseem ceeb, xws li hauv kev lag luam kev tsim kho. Cov hlua hlau hoist kuj muaj kev txav mus los uas tswj tau zoo dua, ua rau muaj qhov chaw tseeb dua ntawm cov khoom thauj.
Xaus lus, ob qho tib sicov hlua hlau hoistthiab cov saw hlau hoists muaj lawv qhov zoo thiab qhov tsis zoo. Kev xaiv ntawm ob hom hoists no nyob ntawm qhov xav tau tshwj xeeb ntawm daim ntawv thov. Cov hlua hlau hoists zoo tagnrho rau kev tsa cov khoom hnyav ntawm qhov nrawm dua nrog kev tswj hwm ntau dua, thaum cov saw hlau hoists zoo dua rau cov khoom sib dua thiab cov sijhawm uas yooj yim thiab kev ntseeg siab yog cov yam tseem ceeb. Thaum kawg, nws yog ib qho tseem ceeb uas yuav tsum xaiv cov hoist zoo uas haum rau qhov xav tau ntawm daim ntawv thov kom ntseeg tau tias muaj kev nyab xeeb thiab ua haujlwm tau zoo.
Lub sijhawm tshaj tawm: Lub Ob Hlis-27-2024
