Lub tshuab ntxhua khaub ncaws iav hauv chav kuajyog ib yam khoom siv feem ntau siv hauv chav kuaj, feem ntau yog siv los ntxuav ntau yam khoom siv iav siv hauv kev sim, xws li beakers, test tubes, flasks, thiab lwm yam. Nws ua lub luag haujlwm tseem ceeb hauv kev sim tshuaj lom neeg, thiab nws daim ntawv thov cuam tshuam txog kev huv thiab kev ua kom huv ntawm tag nrho cov txheej txheem sim. Cov hauv qab no yog cov ntawv thov ntawmtshuab ntxhua khaub ncaws iav hauv chaw kuaj mobhauv kev sim tshuaj lom neeg:

1. Kev ntxuav cov khob iav hauv chav kuaj: Thaum lub sijhawm sim tshuaj lom neeg, cov khoom siv hauv chav kuaj feem ntau yuav tsum tau ntxuav kom huv si kom ntseeg tau tias cov txiaj ntsig ntawm kev sim raug thiab ntseeg tau. Nws tuaj yeem ntxuav ntau yam khoom siv hauv chav kuaj, suav nrog beakers, flasks, raj kuaj, thiab lwm yam, txo qhov kev ua haujlwm ntawm kev ntxuav tes thiab txhim kho kev ntxuav kom zoo.

2. Tshem tawm cov khoom seem: Hauv qee qhov kev sim, cov tshuaj reagents lossis lwm yam khoom yuav tseem nyob hauv cov hlab ntsha sim, uas yuav cuam tshuam lossis ua rau muaj kuab paug rau kev sim tom ntej. Cov dej kub thiab cov tshuaj ntxuav kuj tseem siv tau los ntxuav cov khoom seem kom huv si kom ntseeg tau tias cov hlab ntsha sim huv si thiab huv si.

3. Tiv thaiv kev sib kis kab mob: Hauv chav kuaj mob, cov haujlwm sim sib txawv yuav xav tau siv cov khoom siv sim thiab cov tshuaj reagents sib txawv. Yuav kom tiv thaiv kev sib kis kab mob thiab qhov yuam kev hauv cov txiaj ntsig sim, cov khoom siv sim yuav tsum tau ntxuav thiab tua kab mob kom huv si. Nws kuj tseem tuaj yeem muab qhov chaw ntxuav kub thiab siab kom tshem tawm cov kab mob thiab cov kab mob thiab xyuas kom meej tias cov khoom siv sim huv si.

4. Txhim kho qhov kev sim ua haujlwm tau zoo: Nws tuaj yeem muab cov txheej txheem ntxuav tsis siv neeg, txuag lub sijhawm thiab lub zog ntawm tus neeg sim. Tus neeg sim tuaj yeem muab cov khoom siv sim tso rau hauvlub tshuab ntxuav lub raj mis, teeb tsa qhov kev pab cuam ntxuav, thiab cov txheej txheem ntxuav yuav ua tiav. Tus neeg sim kuj tseem tuaj yeem ua lwm yam kev npaj sim tib lub sijhawm, txhim kho kev ua haujlwm ntawm kev sim.

5. Ua kom lub neej siv ntawm cov khoom siv tau ntev dua: Nws kuj tseem tuaj yeem ntxuav qhov chaw ntawm cov khoom siv maj mam, zam kev khawb lossis hnav ntawm qhov chaw ntawm cov khoom siv los ntawm kev ntxuav tes, thiab ua kom lub neej siv ntawm cov khoom siv ntev dua.

Hauv kev xaus, lub tshuab ntxhua khaub ncaws iav hauv chav kuaj muaj txiaj ntsig zoo rau kev siv hauv kev sim tshuaj lom neeg. Lawv tuaj yeem txhim kho kev ua haujlwm ntawm kev sim, xyuas kom meej qhov tseeb thiab kev ntseeg siab ntawm cov txiaj ntsig ntawm kev sim, xyuas kom meej tias cov khoom siv hauv chav kuaj huv thiab huv si, thiab muab kev yooj yim thiab kev tiv thaiv rau kev sim ua haujlwm.