Taug kev mus rau hauv ib qho lab) nyob rau hauv ib lub lab hauv ntiaj teb, thiab koj yuav pom lawv: uas ntsiag to tshaj tawm rau ntawm qhov rooj, ntim khoom, thiab khoom siv. Cov no yogLab cov cim kev cai lij choj, ib lo lus thoob ntiaj teb tsim los tiv thaiv peb ntawm kev ua phem. Nkag siab lawv tsis yog ib feem ntawm kev tu qauv - nws yog qhov kev tshawb fawb tseem ceeb rau txhua tus kws tshawb fawb.
Cov cim no tau categorized los ntawm cov duab thiab xim, muab ib qho chaw ua kom pom tseeb:
Ceeb Toom (Daim duab peb sab daj):
Kev txwv tsis pub (liab lub voj voog nrog ib txoj kab):
Cov cim tsis meej no qhia koj dab tsitsisua. Seb nws yog "tsis qhib cov nplaim taws," "Tsis muaj noj mov lossis haus dej," lossis "tsis muaj kev nkag tau," Koj yuav tsum ua raws li nws.
Yuav tsum tau (xiav lub voj voog):
Cov cim no dictates ib qho kev ua kojyuav tsumnoj mus ua haujlwm kom nyab xeeb. Nws hais kom koj kom "hnav cov teeb meem kev nyab xeeb," "coj hnab looj tes," lossis "siv aFume hood."
Thaum muaj xwm ceev (daim duab ntsuab ntsuab):
Cov cim kev ua neej no qhia qhov chaw ntawm cov cuab yeej kev nyab xeeb, zoo liEyewash chaw nres tsheb, Cov nqaus ceev, thawj {- nyiaj pab, thiab cov hluav taws kub tawm. Nrhiav cov noua ntejKoj xav tau lawv.
Tshaj li cov duab, cov cim tshwj xeeb yog qhov tseem ceeb.
1
TusNrogCim (cov nplaim taws) ceeb toom ntawm kev siv tshuaj tsw qab.
2
TusKev ua kom huvCim (ib txhais tes thiab hlau bar tau yaig) ceeb toom koj rau cov tshuaj uas tuaj yeem ua kom tawv nqaij lossis khoom siv.
3
TusLomcim (pob txha taub hau thiab hla kev) thiabTus neeg saib xyuas oxidizingCim (nplaim taws hla lub voj voog) kos npe rau kev noj qab haus huv thiab kev tua hluav taws.
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Cov cim no yog koj cov phooj ywg zoo tshaj plaws hauv chav kuaj. Lawv yog qhov tsis tu ncua, ntsiag to nco txog cov kev phom sij thiab muaj kev ceev faj. Ua tus cwj pwm ntawm nquag saib rau lawv ntawm txhua lub raj mis tshuaj, ntsuas, thiab qhov rooj. Koj qhov kev nyab xeeb, thiab kev nyab xeeb ntawm koj pab neeg, nyob ntawm koj lub peev xwm los hais lus cov lus no. Tsis txhob cia li pom lawv -} nkag siab thiab ua rau lawv.