Yuav Ua Li Cas Tiv Thaiv Hluav Taws Xob (nrog Duab)

Cov txheej txheem:

Yuav Ua Li Cas Tiv Thaiv Hluav Taws Xob (nrog Duab)
Yuav Ua Li Cas Tiv Thaiv Hluav Taws Xob (nrog Duab)

Video: Yuav Ua Li Cas Tiv Thaiv Hluav Taws Xob (nrog Duab)

Video: Yuav Ua Li Cas Tiv Thaiv Hluav Taws Xob (nrog Duab)
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Hluav taws xob tsis yog ib yam dab tsi rau luag vim nws feem ntau ua rau raug mob hnyav thiab tuag taus. Kev qhia koj tus kheej kom tsis txhob muaj hluav taws xob tuaj yeem pab tiv thaiv koj thiab tiv thaiv kev phom sij txaus ntshai. Qhov wikiHow qhia koj cov lus qhia rau kev tiv thaiv hluav taws xob.

Kauj ruam

Ntu 1 ntawm 4: Tiv Thaiv Hluav Taws Xob Hauv Tsev

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 1
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 1

Kauj Ruam 1. Kawm paub tias hluav taws xob ua haujlwm li cas

Kev paub yog lub zog, thiab thawj kauj ruam hauv kev tiv thaiv qhov xwm txheej txaus ntshai yog paub qhov ua rau hluav taws xob poob. Nyeem phau ntawv, kab lus, vev xaib thiab blog txog hluav taws xob thiab kev ceev faj kom nyab xeeb thaum ua haujlwm nrog hluav taws xob.

  • Yeej, hluav taws xob ib txwm sim ntws mus rau hauv ntiaj teb lossis hauv av los ntawm txhua yam khoom siv uas ua hluav taws xob tam sim no.
  • Qee qhov sib txuas, xws li ntoo thiab iav, yog cov neeg siv hluav taws xob tsis zoo. Lwm cov ntaub ntawv, xws li dej hiav txwv thiab cov hlau loj, ua hluav taws xob tau zoo heev. Qhov laj thawj tseem ceeb uas tib neeg lub cev tuaj yeem siv hluav taws xob yog qhov muaj sodium thiab dej hauv lub cev. Kev hluav taws xob tshwm sim thaum hluav taws xob ntws los ntawm lub cev.
  • Hluav taws xob feem ntau tshwm sim thaum tib neeg lub cev raug ncaj qha mus rau qhov hluav taws xob. Hluav taws xob tseem tuaj yeem ntws mus rau tib neeg lub cev los ntawm cov khoom siv hluav taws xob xws li dej hauv pas dej lossis pas nrig hlau.
  • Txhawm rau kawm paub ntau ntxiv txog hluav taws xob thiab qhov ua rau hluav taws xob poob, nyeem ntawm no lossis nug tus kws kho hluav taws xob ntseeg.
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 2
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 2

Kauj Ruam 2. Nkag siab koj cov kev txwv

Muaj qee qhov teeb meem hluav taws xob yooj yim hauv thiab nyob ib puag ncig koj lub tsev uas koj tuaj yeem daws koj tus kheej. Txawm li cas los xij, yog tias muaj teeb meem loj thiab hnyav nrog hluav taws xob, koj yuav tsum ntiav tus kws tshaj lij hluav taws xob. Tus nqi yuav kim heev, tab sis nws tseem pheej yig dua li mus pw hauv tsev kho mob.

Hauv qhov tseem ceeb, muaj ob hom kws kho hluav taws xob uas nws cov kev pabcuam tuaj yeem siv tau, uas yog cov kws kho hluav taws xob thiab ntiav cov kws kho hluav taws xob. Hauv Tebchaws Meskas, ob hom kws tshaj lij no feem ntau muaj ntawv tso cai los ntawm lub xeev, tabsis tsis yog tas li. Cov kws siv hluav taws xob feem ntau yog cov tswv lag luam thiab tuaj yeem ntiav lwm tus kws tso cai hluav taws xob, tus pab, lossis cov tub ntxhais kawm ua haujlwm. Lub caij no, cov kws siv hluav taws xob ua haujlwm ywj pheej tuaj yeem ua haujlwm rau cov kws kho hluav taws xob lossis ua haujlwm ib leeg thiab ntiav ib tus pabcuam lossis tus kws qhia ua haujlwm. Cov kev cai rau txhua hom hluav taws xob tuaj yeem sib txawv rau txhua lub tebchaws lossis ib cheeb tsam

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 3
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 3

Kauj Ruam 3. Nrhiav cov tseev kom muaj hluav taws xob

Ntau yam khoom siv hluav taws xob thiab khoom siv hauv koj lub tsev muaj lawv tus kheej cov khoom siv hluav taws xob. Nkag siab txog yam tshwj xeeb ntawm cov khoom siv hluav taws xob, fuses, thiab txawm tias yuav tsum tau teeb lub teeb nyob hauv koj lub tsev. Nco ntsoov hloov nrog qhov yog yog xav tau. Kev siv cov khoom siv hluav taws xob tsis tsim nyog yuav ua rau cov khoom siv hluav taws xob ua haujlwm tsis zoo, ua rau muaj xwm txheej tsis nyab xeeb uas tuaj yeem ua rau hluav taws, raug mob, lossis tuag.

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 4
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 4

Kauj Ruam 4. Tua lub hwj chim

Thawj kauj ruam ua ntej los sim daws teeb meem hluav taws xob koj tus kheej yog tua hluav taws xob hauv koj lub tsev. Los ntawm kev tua lub zog, txawm tias koj tuaj yeem ua yuam kev, koj yuav tsis raug hluav taws xob.

Lub vaj huam sib luag tseem ceeb hluav taws xob nyob rau qee qhov hauv koj lub tsev, feem ntau yog hauv qab daus lossis chaw tso tsheb. Lub vaj huam sib luag no muaj qhov hloov pauv yooj yim uas tso cai rau nws txiav tawm hluav taws xob rau txhua qhov ntawm lub tsev. Xyuas kom tseeb tias lub vaj huam sib luag tseem ceeb hloov nyob rau hauv "tawm" txoj haujlwm ua ntej kev sim kho hluav taws xob

Tiv Thaiv Hluav Taws Xob Hluav Taws Xob Kauj Ruam 5
Tiv Thaiv Hluav Taws Xob Hluav Taws Xob Kauj Ruam 5

Kauj Ruam 5. Npog lub qhov (socket) thiab lub hwj chim ntsaws

Kev npog cov ntsaws nrog phab ntsa vaj huam sib luag yog qhov tseem ceeb hauv kev tiv thaiv kev sib cuag nrog cov xov hlau, thiab yuav tsum tau ua hauv txoj cai. Yog tias koj nyob nrog cov menyuam yaus, tiv thaiv koj cov ntiv tes me ntsis uas xav paub los ntawm kev raug mob los ntawm kev siv lub qhov ntsaws ntsaws ntsaws ntsaws.

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 6
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 6

Kauj Ruam 6. Txhim kho lub ntsuas hluav taws xob, lub qhov (socket), thiab Lub Ntiaj Teb Fault Circuit Breaker adapter

Av Txhaum Circuit Breaker yog lub cuab yeej uas tuaj yeem kuaj pom qhov tsis sib xws ntawm cov nqi hluav taws xob tam sim no ntws hauv qee yam khoom siv hluav taws xob thiab txiav tawm cov hluav taws xob tam sim no hauv cov khoom siv ntawd. Av Txhaum Cai Circuit Breaker xav tau hauv kev tsim tsev tshiab feem ntau, thiab feem ntau tuaj yeem teeb tsa hauv cov tsev qub ntawm tus nqi qis.

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 7
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 7

Kauj Ruam 7. Tsis txhob ua yuam kev ntau

Muaj qee qhov yuam kev uas tau ua thaum sim kho hluav taws xob tsis raug hauv tsev. Koj yuav tsum paub txog qhov ua yuam kev no thiab ua txhua qhov kev tiv thaiv tsim nyog kom zam dhau lawv. Qee yam uas yuav tsum zam yog:

  • Tsis txhob kov cov xov hlau liab qab uas tseem tuaj yeem siv hluav taws xob.
  • Tsis txhob them tshaj lub qhov hluav taws xob ntev lossis lub qhov hluav taws xob uas muaj ntau dua ib lub ntsaws. Tsuas yog siv ob lub ntsaws rau ib lub qhov hluav taws xob los txo qhov kev pheej hmoo ntawm hluav taws xob thiab hluav taws.
  • Yog tias ua tau, siv lub ntsaws peb kab. Qhov thib peb ceg, uas ua haujlwm xa hluav taws xob tam sim no rau hauv av, yuav tsum tsis txhob raug tshem tawm.
  • Tsis txhob xav tias lwm tus tab tom tua lub hwj chim. Ib txwm ua koj tus kheej cov tshev mis!
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 8
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 8

Kauj Ruam 8. Zam dej

Khaws thiab siv cov khoom siv hluav taws xob kom deb ntawm dej. Dej thiab hluav taws xob yog ib qho txaus ntshai ua ke, cov khoom siv hluav taws xob yuav tsum tau nyob deb ntawm qhov chaw ntub. Qhov no yuav tiv thaiv kom txhob raug hluav taws xob raug.

  • Tsis txhob siv cov khoom siv hluav taws xob thaum so hauv tub lossis siv lub tshuab tso dej.
  • Yog tias koj cov hniav nyiaj hniav kub lossis lwm yam khoom siv hluav taws xob nyob ze ntawm lub dab ntxuav tais diav, tsis txhob siv dej ntws los yog hluav taws xob tib lub sijhawm. Tso lub ntsaws ntsaws thaum tsis siv.
  • Khaws koj cov khoom siv hluav taws xob sab nraum zoov tso rau hauv qhov chaw uas ua rau lawv qhuav, xws li cov chaw tso tsheb.
  • Yog tias cov cuab yeej hluav taws xob uas tau ntsaws rau hauv lub qhov hluav taws xob phab ntsa ntog rau hauv dej, tsis txhob sim khaws nws kom txog thaum koj tau kaw lub Circuit Court. Thaum lub hwj chim hluav taws xob tau ua tiav, koj tuaj yeem tshem nws tawm ntawm dej. Thaum nws qhuav lawm, nug tus kws kho hluav taws xob los tshuaj xyuas seb lub cuab yeej puas tseem siv tau.
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 9
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 9

Kauj Ruam 9. Hloov cov cuab yeej hnav lossis puas

Ua tib zoo saib xyuas koj cov cuab yeej siv hluav taws xob, thiab ua haujlwm tu tas li. Cov cim qhia tias xav tau kev txhim kho suav nrog:

  • Txim taws
  • Hluav taws xob me me poob siab
  • Cable frayed los yog puas
  • Cov cua sov tuaj los ntawm phab ntsa qhov hluav taws xob
  • Rov ua hluav taws xob luv
  • Cov no yog qee qhov cim ntawm kev puas tsuaj vim muaj hnub nyoog siv. Yog tias muaj dab tsi txawv txawv tshwm sim, hu rau kws kho hluav taws xob. Ua kom muaj kev nyab xeeb ib txwm zoo dua li thov txim!
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 10
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 10

Kauj Ruam 10. Tig lub hwj huam rov qab

Thaum kho tiav thiab cov khoom siv hluav taws xob tau npaj los sim, lossis lub qhov hluav taws xob tau raug kho dua, tig lub pob hluav taws xob tseem ceeb rov qab. Hloov txoj haujlwm hloov mus rau "on".

Koj kuj tseem yuav tau rov pib dua lub tshuab hluav taws xob. Txhawm rau rov pib dua, thawb txhua tus tawg mus rau txoj haujlwm "tawm" tom qab ntawd rov qab mus rau "ntawm"

Ntu 2 ntawm 4: Tiv Thaiv Hluav Taws Xob Thaum Ua Haujlwm

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 11
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 11

Kauj Ruam 1. Tua lub hwj chim

Yog tias muaj cov khoom siv hluav taws xob lossis hluav taws xob nyob ntawm qhov haujlwm koj tab tom ua, txheeb xyuas thiab txheeb xyuas ob zaug tias lub zog raug kaw ua ntej koj pib ua haujlwm.

Ib zaug ntxiv, yuav tsum muaj lub vaj huam sib luag hluav taws xob tseem ceeb rau tag nrho lub tsev. Nrhiav lub vaj huam sib luag no thiab teeb nws mus rau txoj haujlwm tawm

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 12
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 12

Kauj Ruam 2. Hnav cov cuab yeej nyab xeeb

Cov khau uas muaj cov roj hmab thiab cov hnab looj tes uas tsis yog cov khoom coj los tiv thaiv kev siv hluav taws xob tam sim no. Tso cov roj hmab lev rau hauv pem teb yog lwm qhov kev tiv thaiv zoo. Roj hmab tsis ua hluav taws xob thiab yuav pab koj kom tsis txhob raug hluav taws xob.

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 13
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 13

Kauj Ruam 3. Ceev faj thaum siv cov cuab yeej siv fais fab

Ua kom ntseeg tau tias txhua yam ntawm koj cov cuab yeej muaj peb kab ntsaws ntsaws, thiab saib xyuas rau ib qho cim ntawm kev puas tsuaj. Nws tseem yog qhov tseem ceeb los tua cov cuab yeej hluav taws xob ua ntej txuas lawv mus rau lub zog loj. Ib txwm khaws cov cuab yeej siv hluav taws xob kom deb ntawm dej, thiab ntxuav thaj chaw ua haujlwm los ntawm cov pa roj, cov pa thiab cov kev daws teeb meem thaum lawv siv.

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 14
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 14

Kauj Ruam 4. Tsis txhob nyob ib leeg

Nws yog qhov zoo kom muaj tus neeg thib ob los pab koj thaum ua haujlwm nrog hluav taws xob. Tus neeg thib ob no tuaj yeem tshawb xyuas ob zaug kom paub tseeb tias koj tau ua raws txhua qhov yuav tsum tau ceev faj. Yog tias muaj qee yam tsis raug thiab koj raug hluav taws xob, tus neeg thib ob no tuaj yeem muab kev pab uas koj xav tau tam sim ntawd.

  • Nco ntsoov sib txuas lus zoo nrog koj tus npoj yaig ntawm no. Ntau qhov hluav taws xob raug mob tshwm sim vim kev sib txuas lus tsis raug. Koj yuav tsum muaj peev xwm ntseeg tau tias thaum tus neeg no hais tias lub zog tau raug tua lawm, qhov hluav taws xob tau raug tua tiag tiag.
  • Txawm hais tias koj tso siab rau koj txoj kev nyab xeeb rau tus neeg no, nws yog lub tswv yim zoo los tshuaj xyuas ob zaug thiab xyuas kom koj tus kheej paub tias lub hwj chim tau muab tua lawm. Tsis txhob xav txog thaum cuam tshuam nrog hluav taws xob.
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 15
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 15

Kauj Ruam 5. Hu rau tus kws tshaj lij thaum nws los txog rau cov haujlwm loj

Ua haujlwm nrog hluav taws xob yog qhov haujlwm nyuaj thiab txaus ntshai. Yog tias koj tsis muaj kev ntseeg siab rau koj tus kheej, hu rau tus kws kho hluav taws xob ntseeg kom ua txoj haujlwm tiav.

Ntu 3 ntawm 4: Tiv Thaiv Kev Tua Hluav Taws Xob Thaum Los nag

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 16
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 16

Kauj Ruam 1. Txheeb xyuas huab cua qhia

Qhov no yuav zoo li pom tseeb, tab sis kom ntseeg tau huab cua huab cua huab cua thaum lub sijhawm taug kev sab nraum zoov yog qhov tseem ceeb kom tsis txhob raug cua daj cua dub. Txawm hais tias koj tsuas yog tawm mus rau ib hnub, huab cua tuaj yeem hloov pauv sai thiab kev tiv thaiv zoo tshaj plaws tau npaj. Nkag siab tias yuav muaj cua daj cua dub nyob rau sab nraum zoov uas koj yuav mus ntsib, thiab npaj ua ntej kom zoo ua ntej yuav muaj hluav taws xob tuaj.

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 17
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 17

Kauj Ruam 2. Saib xyuas cov paib cua daj cua dub

Saib rau qhov hloov pauv ntawm qhov kub, nce cua nrawm, lossis tsaus ntuj. Mloog lub suab xob quaj. Yog tias cua daj cua dub tab tom los, nres txhua yam uas koj tab tom ua thiab nrhiav chaw nyob kom sai li sai tau.

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 18
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 18

Kauj Ruam 3. Tau txais chaw nyob

Yog tias koj nyob nraum zoov thiab cua daj cua dub tab tom los ze, tsuas yog txoj hauv kev tiv thaiv tiag tiag yog mus sab hauv tsev. Nrhiav lub tsev nyob uas nyob ib puag ncig kom tiav nrog hluav taws xob thiab dej, xws li lub tsev lossis chaw lag luam. Yog tias qhov kev xaiv no tsis muaj, nkaum hauv lub tsheb nrog lub qhov rooj thiab lub qhov rais kaw kuj tseem ua tau. Thaj chaw noj mov, cov chaw tso zis tso quav ib leeg, tsev pheeb suab ntaub, thiab lwm yam txheej txheem me me tsis tuaj yeem ua rau koj nyab xeeb. Tsis tuaj yeem nrhiav chaw nyob ruaj khov kom deb li qhov muag pom tau? Txo kev pheej hmoo los ntawm kev ua raws li kev ceev faj hauv qab no:

  • Nyob hauv txoj haujlwm qis
  • Zam qhov chaw qhib
  • Zam hlau thiab dej
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 19
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 19

Kauj Ruam 4. Tos

Txawm hais tias koj nyob sab hauv tsev lossis sab nraum zoov, tsis txhob tawm ntawm thaj chaw nyab xeeb tsawg kawg ib nrab teev tom qab xob nag xob nag cua kawg. Yog tias koj tseem tsis paub meej tias cua daj cua dub dhau los lossis tsis, nyob hauv tsev.

Ntu 4 ntawm 4: Txo Kev Puas Tsuaj

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 20
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 20

Kauj Ruam 1. Khaws cov tshuaj tua hluav taws tso rau hauv qhov chaw yooj yim

Khaws lub twj tua hluav taws me me ntawm tes hauv thaj chaw uas koj ua haujlwm nrog cov cuab yeej siv zog. Cov tshuaj tua hluav taws uas siv los tua hluav taws muaj daim ntawv lo "C," "BC," lossis "ABC".

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 21
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 21

Kauj Ruam 2. Npaj rau qhov phem tshaj

Tsis muaj teeb meem ntau npaum li cas tau ceev faj, hluav taws xob tseem yog qhov pheej hmoo thaum siv hluav taws xob. Thaum raug hluav taws xob, nws yog ib qho tseem ceeb uas yuav tsum tau npaj tas li los daws qhov xwm txheej nyab xeeb.

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 22
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 22

Kauj Ruam 3. Hu rau kev pab

Thaum muaj xwm ceev hluav taws xob, ib txwm hu rau cov kev pabcuam thaum muaj xwm ceev. Sim kho tus neeg raug tsim txom ntawm hluav taws xob koj tus kheej yog qhov tsis zoo.

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 23
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 23

Kauj Ruam 4. Tsis txhob kov tus neeg raug hluav taws xob nrog tes liab qab

Cov neeg raug hluav taws xob feem ntau tsis tuav hluav taws xob ntev ntev hauv lawv lub cev. Txawm li cas los xij, koj yuav tsum tau ceev faj tas li vim tias tus neeg raug tsim txom tseem tuaj yeem siv hluav taws xob. Siv cov khoom uas tsis yog coj los thaiv xws li hnab looj tes roj hmab, yog ua tau, tuav lossis txav tus neeg raug tsim txom.

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 24
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 24

Kauj Ruam 5. Tua lub hwj chim yog ua tau

Yog tias koj tuaj yeem ua yam tsis tau txais lub zog, tua lub zog. Yog tias qhov no ua tsis tau, txav tus neeg raug tsim txom kom deb ntawm lub hwj chim los ntawm kev siv cov khoom uas tsis ua lossis tsis coj zoo xws li ntoo.

Koj yuav tsum tsuas yog sim txav tus neeg raug foob los ntawm hluav taws xob yog tias tus neeg raug xwm txheej tam sim

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 25
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 25

Kauj Ruam 6. Txheeb xyuas cov cim tseem ceeb

Thaum koj paub tseeb tias tus neeg raug foob tsis raug hluav taws xob lawm, tam sim tshuaj xyuas seb nws puas tseem ua pa. Yog tias tus neeg raug tsim txom tsis ua pa, ua CPR tam sim thaum nug lwm tus kom hu rau kev pabcuam khomob xwm txheej kub ntxhov.

Txoj cai OSH kev nyab xeeb rau kev ua haujlwm nrog lub xeev hluav taws xob uas koj tsuas muaj 4 feeb kom tau txais kev pab rau cov neeg raug hluav taws xob. Yog li nqis tes ua sai

Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 26
Tiv Thaiv Hluav Taws Xob Shock Kauj Ruam 26

Kauj Ruam 7. Tos kev pab kho mob kom tuaj txog

Nyob twj ywm thiab tso tus neeg raug tsim txom kab rov tav, nrog ob txhais ceg nce siab, kom txog thaum kev pab kho mob tuaj txog. Thaum kev pab tuaj txog, tsis txhob cia koj txoj haujlwm tau txais txoj hauv kev ntawm cov kws kho mob. Yog cov kws kho mob hu rau kev pab, ua raws lawv cov lus qhia.

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