Lub hnab ntim khoom yog lub cuab yeej tseem ceeb rau kev thauj khoom thiab tshem tawm cov khoom loj tam sim no, thiab lawv lub luag haujlwm yog qhov tseeb. Yog li dab tsi yuav tsum tau txhim kho rau cov thawv ntim khoom?
1. Los ntawm qhov kev xav ntawm lub thawv ntim khoom, thaj chaw uas yuav tsum tau kho sai sai yog nyob rau hauv nws cov khoom siv hluav taws xob txuag thiab kev txo qis, uas cuam tshuam rau tag nrho cov nqi ntawm cov khoom thiab kev sib tw ntawm kev ua lag luam. Los ntawm qhov kev xav ntawm cov khoom siv ntau lawm, nws yog ib qho tsim nyog los qhia ntau lub zog-txuag thiab cov khoom siv zoo ib puag ncig kom ntseeg tau tias lub zog txuag thiab txuag hluav taws xob. Qhov no yog lub ntsiab lus tseem ceeb.
2. Los ntawm qhov kev xav ntawm kev siv hauv kev lag luam, cov teeb meem xws li kev poob thaum lub sij hawm hoisting thiab khawb yooj yim thaum siv yog txhua yam raug, thiab kev siv cov khoom siv ntau thiab kev ua haujlwm yuav tsum tau daws.
Ua tib zoo mloog cov ntsiab lus hauv cov txheej txheem tsim khoom ntawm lub hnab ntim khoom. Txhua qhov teeb meem hauv ib feem yuav cuam tshuam ncaj qha rau qhov zoo ntawm lub hnab ntim khoom kawg. Yog li ntawd, peb kuj yuav tsum tau them sai sai rau kev tswj hwm nruj, thiaj li ua kom lub sijhawm ntev ntawm kev tsim cov thawv ntim khoom rau yav tom ntej.