Cov kws paub txog kev nyab xeeb hluav taws tau hais txog qhov tseem ceeb ntawm kev xaiv lub tshuab tua hluav taws kom raug rau txhua qhov kev pheej hmoo. Dej,Ua npuas dej extinguisher, Qhuav hmoov extinguisher, ntub hom hluav taws kub hydrant, thiab cov qauv roj teeb lithium-ion daws teeb meem tshwj xeeb. Cov ntawv ceeb toom xwm txheej txhua xyoo los ntawm cov chaw raug cai qhia txog qhov yuav tsum tau hloov kho thev naus laus zis thiab cov phiaj xwm kev daws teeb meem hauv tsev, chaw ua haujlwm, thiab tsheb.
Piav Qhia Cov Hluav Taws Xob Hluav Taws Xob
Cov qauv kev nyab xeeb hluav taws faib hluav taws kub ua tsib chav kawm loj. Txhua chav kawm piav qhia txog hom roj tshwj xeeb thiab xav tau lub tshuab tua hluav taws tshwj xeeb kom muaj kev nyab xeeb thiab muaj txiaj ntsig zoo. Cov lus hauv qab no qhia txog qhovlus txhais, cov chaw siv roj ntau, thiab cov tshuaj tua hluav taws pom zoo rau txhua chav kawm:
| Hluav taws kub | Txhais | Common Fuel | Kev txheeb xyuas | Cov neeg ua haujlwm pom zoo |
|---|---|---|---|---|
| Chav Kawm A | Ordinary combustibles | Ntoo, ntawv, ntaub, yas | Ci ntsa iab nplaim taws, pa taws, tshauv | Dej, Ua Npuas Ncauj, ABC qhuav tshuaj |
| Chav B | Flammable kua/gases | Roj av, roj, xim, kuab tshuaj | Cov nplaim taws nrawm, cov pa taws tsaus | CO2, qhuav tshuaj, Ua npuas ncauj |
| Chav Kawm C | Cov khoom siv hluav taws xob muaj zog | Hlau, khoom siv, machinery | Sparks, kub hnyiab tsw | CO2, qhuav tshuaj (tsis-conductive) |
| Chav Kawm D | Combustible hlau | Magnesium, titanium, sodium | Kub kub, reactive | Cov hmoov qhuav tshwj xeeb |
| Chav Kawm K | Ua cov roj / rog | Ua cov roj, roj | Cov khoom siv hauv chav ua noj hluav taws kub | Cov tshuaj ntub dej |
Class A – Ordinary Combustibles
Cov hluav taws kub hauv chav A muaj xws li ntoo, ntawv, thiab ntaub. Cov hluav taws no tawm hauv qab cov tshauv thiab embers. Cov dej tua hluav taws thiab cov qauv siv tshuaj ua kom qhuav ua haujlwm zoo tshaj plaws. Cov tsev thiab chaw ua haujlwm feem ntau siv ABC tua hluav taws rau cov kev pheej hmoo no.
Chav Kawm B - Cov kua nplaum nplaum
Cov hluav taws kub hauv chav kawm B pib nrog cov kua hluav taws xob xws li roj av, roj, thiab xim. Cov hluav taws kub no kis tau sai thiab tsim cov pa taws tuab. CO2 thiab tshuaj tua hluav taws qhuav yog qhov zoo tshaj plaws. Cov neeg ua npuas ncauj kuj pab los ntawm kev tiv thaiv rov ua dua.
Chav Kawm C - Hluav Taws Xob Hluav Taws Xob
Cov hluav taws kub hauv chav kawm C suav nrog cov khoom siv hluav taws xob muaj zog. Sparks thiab hluav taws kub tsis hnov tsw feem ntau qhia hom no. Tsuas yog cov neeg ua haujlwm tsis zoo xws li CO2 lossis cov tshuaj tua hluav taws qhuav yuav tsum tau siv. Dej los yog ua npuas dej tuaj yeem ua rau hluav taws xob poob siab thiab yuav tsum zam.
Chav Kawm D - Hlau Hluav Taws Xob
Cov hluav taws kub hauv chav kawm D tshwm sim thaum cov hlau xws li magnesium, titanium, lossis sodium ignite. Cov hluav taws kub no kub heev thiab ua rau muaj kev phom sij nrog dej.Tshwj xeeb qhuav hmoov hluav taws tua hluav taws, xws li cov neeg siv graphite lossis sodium chloride, tau pom zoo rau cov hlau no.
Chav Kawm K - Ua Cov Roj thiab Roj
Chav K hluav taws kub tshwm sim hauv chav ua noj, feem ntau suav nrog cov roj ua noj thiab cov rog. Cov tshuaj tua hluav taws ntub dej yog tsim los rau cov hluav taws kub no. Lawv txias thiab kaw cov roj kub hnyiab, tiv thaiv kom tsis txhob rov ignition. Cov chav ua noj ua lag luam xav tau cov tshuab tua hluav taws no kom muaj kev nyab xeeb.
Yam tseem ceeb ntawm Cov Hluav Taws Xob Hluav Taws Xob rau xyoo 2025
Dej tua hluav taws
Cov dej tua hluav taws tseem yog qhov tseem ceeb hauv kev nyab xeeb hluav taws, tshwj xeeb tshaj yog rau cov hluav taws kub hauv chav kawm A. Cov tua hluav taws no txias thiab ntub cov khoom siv hluav taws xob xws li ntoo, ntawv, thiab ntaub, txwv tsis pub hluav taws los ntawm kev kav. Cov neeg feem ntau xaiv cov dej tua hluav taws rau hauv tsev, tsev kawm ntawv, thiab chaw ua haujlwm vim tias lawv tau txais txiaj ntsig zoo, siv tau yooj yim, thiab ib puag ncig zoo.
| Yam | Paub meej |
|---|---|
| Cov Hluav Taws Xob Tseem Ceeb | Cov hluav taws kub hauv chav A (cov khoom siv hluav taws xob zoo li ntoo, ntawv, ntaub) |
| Qhov zoo | Nqi-zoo, siv tau yooj yim, tsis muaj tshuaj lom, ib puag ncig tus phooj ywg, siv tau rau cov hluav taws kub hauv chav A |
| Kev txwv | Tsis haum rau Class B (flammable kua), Class C (hluav taws xob), Class D (hlau) hluav taws kub; tuaj yeem khov hauv qhov chaw txias; tej zaum yuav ua rau dej puas tsuaj rau vaj tse |
Lus Cim: Tsis txhob siv cov dej tua hluav taws rau hluav taws xob lossis hluav taws kub ua kua. Dej siv hluav taws xob thiab tuaj yeem kis tau cov kua hluav taws xob, ua rau cov xwm txheej no txaus ntshai.
Ua Npuas Ncauj Hluav Taws Kub Extinguisher
Lub tshuab tua hluav taws ua npuas dej muab kev tiv thaiv ntau yam rau cov hluav taws kub hauv chav A thiab Chav B. Lawv ua hauj lwm los ntawm kev npog qhov hluav taws kub nrog ib daim pam tuab tuab, ua kom txias rau saum npoo thiab thaiv cov pa oxygen kom tsis txhob rov ua hluav taws xob. Kev lag luam xws li roj, roj, thiab petrochemicals vam khom ua npuas ncauj rau lawv lub peev xwm los daws cov nplaim hluav taws kub. Ntau lub chaw nres tsheb, chav ua noj, thiab cov chaw tsim khoom lag luam kuj tseem siv cov tshuab tua hluav taws sib xyaw kom muaj kev phom sij.
- Kev tua hluav taws ceev ceev thiab txo qhov kub hnyiab-rov qab
- Environmentally txhim kho cov neeg ua npuas ncauj
- Haum rau thaj chaw uas muaj roj lossis roj khaws cia
Foam extinguishers tau txais koob meej hauv 2025 vim lawvtxhim kho ib puag ncig profilesthiab kev ua tau zoo hauv kev lag luam thiab chaw nyob.
Dry Chemical (ABC) Fire Extinguisher
Cov tshuaj tua hluav taws qhuav (ABC) sawv tawm raws li hom siv dav tshaj plaws hauv xyoo 2025. Lawv cov khoom muaj zog, monoammonium phosphate, tso cai rau lawv daws cov hluav taws kub hauv chav kawm A, B, thiab C. Cov hmoov no smothers nplaim taws, cuam tshuam cov txheej txheem combustion, thiab tsim ib txheej tiv thaiv kom tsis txhob rov ignition.
| Hom Tshuaj tua hluav taws | Cov ntsiab lus siv | Ntsiab nta thiab tsav tsheb | Kev Ua Lag Luam / Kev Loj Hlob |
|---|---|---|---|
| Qhuav tshuaj | Chaw nyob, Commercial, Industrial | Ntau yam rau chav A, B, C hluav taws kub; tau txib los ntawm OSHA thiab Thauj Canada; siv nyob rau hauv 80% + ntawm US chaw lag luam | Dominant hom nyob rau hauv 2025 |
Cov tshuaj tua hluav taws qhuav qhuav muaj kev txhim khu kev qha, tag nrho-hauv-ib qho kev daws teeb meem rau cov tsev, kev lag luam, thiab cov chaw lag luam. Txawm li cas los xij, lawv tsis haum rau chav ua noj roj hluav taws xob lossis hluav taws kub hlau, qhov chaw tshwj xeeb yuav tsum tau siv hluav taws xob tua hluav taws.
CO2 Hluav Taws Kub Extinguisher
CO2 hluav taws tua hluav tawssiv cov pa roj carbon dioxide los tua hluav taws yam tsis muaj qhov seem. Cov hluav taws xob tua hluav taws no zoo tagnrho rau hluav taws xob hluav taws xob thiab ib puag ncig rhiab zoo li cov chaw khaws ntaub ntawv, chaw kuaj mob, thiab chaw kho mob. CO2 extinguishers ua haujlwm los ntawm kev tso pa tawm thiab ua kom cov hluav taws txias, ua rau lawv siv tau rau cov hluav taws kub hauv chav B thiab Class C.
- Tsis muaj residue, nyab xeeb rau electronics
- Kev loj hlob sai ntawm kev lag luam ntu vim muaj kev nce qib digital infrastructure
Ceeb Toom: Hauv qhov chaw kaw, CO2 tuaj yeem hloov cov pa oxygen thiab tsim kom muaj kev phom sij. Nco ntsoov xyuas kom muaj qhov cua kom zoo thiab tsis txhob siv sijhawm ntev hauv qhov chaw kaw.
Cov Hluav Taws Xob Hluav Taws Xob ntub dej
Cov tshuaj tua hluav taws ntub dej yog tsim rau cov hluav taws kub hauv chav kawm K, uas muaj cov roj ua noj thiab cov rog. Cov tshuaj tua hluav taws no txau cov huab cua zoo uas ua rau cov roj hlawv thiab tsim cov tshuaj soapy, sealing saum npoo thiab tiv thaiv kom tsis txhob rov ignition. Kev lag luam chav ua noj, tsev noj mov, thiab cov chaw ua zaub mov yog nyob ntawm cov tshuaj tua kab ntub dej kom tiv thaiv kev ruaj ntseg.
- Siv tau rau cov roj sib sib zog nqus kib thiab cov khoom siv ua noj ua haus
- Yuav tsum tau muaj cov cai kev nyab xeeb hauv ntau qhov chaw pabcuam zaub mov
Qhuav hmoov hluav taws tua hluav taws
Cov tshuaj tua hluav taws qhuav qhuav muaj kev tiv thaiv dav rau chav A, B, thiab C hluav taws kub, nrog rau qee qhov hluav taws xob hluav taws xob txog li 1000 volts. Cov qauv tshwj xeeb qhuav hmoov kuj tuaj yeem tswj cov hluav taws kub hlau (Class D), ua rau lawv qhov tseem ceeb hauv kev lag luam.
- Pom zoo rau garages, rhiav, chav boiler, thiab roj tankers
- Tsis haum rau chav ua noj roj hluav taws xob lossis hluav taws xob hluav taws xob siab
Tswv yim: Tsis txhob siv cov hmoov qhuav qhuav hauv qhov chaw kaw, vim tias cov hmoov tuaj yeem txo qhov pom thiab ua rau muaj kev phom sij.
Lithium-ion roj teeb tua hluav taws
Lithium-ion roj teeb tua hluav taws sawv cev rau kev tsim kho tshiab rau xyoo 2025. Nrog rau kev nce ntawm cov tsheb hluav taws xob, cov khoom siv hluav taws xob, thiab cov khoom siv hluav taws xob tauj dua tshiab, cov roj teeb lithium-ion tau dhau los ua ib qho kev txhawj xeeb tseem ceeb. Cov tshuaj tua hluav taws tshiab muaj cov khoom siv dej raws li tus kheej, tsis muaj tshuaj lom, thiab tus phooj ywg ib puag ncig. Cov qauv no teb sai heev rau thermal runaway, txias cov roj teeb uas nyob ib sab, thiab tiv thaiv kom tsis txhob rov ignition.
- Compact thiab portable designs rau tsev, chaw ua hauj lwm, thiab tsheb
- Engineered tshwj xeeb rau lithium-ion roj teeb hluav taws xob
- Kev tiv thaiv tam sim thiab kev ua kom txias
Qhov tseeb lithium-ion roj teeb thev naus laus zis suav nrog cov khoom siv hluav taws xob tsim hluav taws xob, xws li nplaim hluav taws kub-retardant polymers uas qhib thaum kub kub, muab kev nyab xeeb thiab ruaj khov.
Yuav Ua Li Cas Xaiv Txoj Cai Hluav Taws Xob
Ntsuas Koj Ib puag ncig
Xaiv lub tshuab tua hluav taws zoo pib nrog kev ua tib zoo saib ntawm ib puag ncig. Cov neeg yuav tsum txheeb xyuas cov teeb meem hluav taws xob xws li cov khoom siv hluav taws xob, chaw ua noj, thiab khaws cov khoom siv hluav taws xob. Lawv yuav tsum tau kuaj xyuas cov khoom siv kev nyab xeeb thiab xyuas kom lub tswb nrov thiab tawm mus ua haujlwm zoo. Lub tsev layout cuam tshuam qhov chaw tso hluav taws xob kom nkag tau sai. Kev tshuaj xyuas tsis tu ncua thiab hloov kho tshiab pab ua kom cov phiaj xwm kev nyab xeeb hluav taws muaj txiaj ntsig zoo.
Sib piv Cov Hluav Taws Xob Hluav Taws Xob rau Hluav Taws Xob Hluav Taws Xob
Kev sib piv lub tshuab tua hluav taws kom muaj kev pheej hmoo hluav taws ua kom muaj kev tiv thaiv zoo tshaj plaws. Cov kauj ruam hauv qab no pab coj cov txheej txheem xaiv:
- Txheeb xyuas hom hluav taws kub uas yuav tshwm sim, xws li Class A rau cov khoom hluav taws xob lossis Class K rau cov roj hauv chav ua noj.
- Siv ntau lub hom phiaj tua hluav taws hauv thaj chaw uas muaj kev pheej hmoo sib xyaw.
- Xaivcov qauv tshwj xeebrau cov xwm txheej tshwj xeeb, xws li cov neeg ua haujlwm huv huv rau chav neeg rau zaub mov.
- Xav txog qhov loj thiab qhov hnyav kom yooj yim tuav.
- Muab cov tshuaj tua hluav taws tso ze rau qhov chaw uas muaj kev pheej hmoo siab thiab ua kom lawv pom.
- Tus nqi sib npaug nrog kev xav tau kev nyab xeeb.
- Qhia txhua tus neeg txog kev siv kom raug thiab cov phiaj xwm xwm txheej ceev.
- Teem sijhawm saib xyuas thiab tshuaj xyuas tsis tu ncua.
Xav txog cov kev pheej hmoo tshiab thiab cov qauv
Cov qauv kev nyab xeeb hluav taws hauv xyoo 2025 yuav tsum ua raws li NFPA 10, NFPA 70, thiab NFPA 25. Cov cai no tau tsim cov cai rau kev xaiv, teeb tsa, thiab kev saib xyuas. Extinguishers yuav tsum yooj yim mus cuag thiab muab tso rau hauv qhov tseeb mus ncig los ntawm kev phom sij. Cov kev pheej hmoo tshiab, xws li lithium-ion roj teeb hluav taws xob, hu rau kev hloov kho cov twj tua hluav taws thiab kev cob qhia cov neeg ua haujlwm tsis tu ncua.
Tsev, chaw ua haujlwm, thiab tsheb xav tau
Cov chaw sib txawv muaj qhov phom sij tshwj xeeb.Cov tsev xav tau cov tshuaj tua hluav taws qhuavnyob ze qhov chaw tawm thiab chaw nres tsheb. Cov chaw ua haujlwm xav tau cov qauv raws li cov kev phom sij, nrog rau chav tshwj xeeb rau chav ua noj thiab chav IT. Cov tsheb yuav tsum nqa Class B thiab C tua hluav taws los tswj cov kua hluav taws xob thiab hluav taws xob hluav taws xob. Kev kuaj xyuas tsis tu ncua thiab kev tso chaw kom raug pab kom muaj kev nyab xeeb txhua qhov chaw.
Yuav Siv Cov Hluav Taws Xob Li Cas
The PASS Technique
Cov kws paub txog kev nyab xeeb hluav taws pom zoo rauPASS cov txheej txheemrau kev khiav hauj lwm feem ntau extinguishers. Txoj kev no pab cov neeg siv ua sai thiab raug thaum muaj xwm txheej ceev. Cov kauj ruam PASS siv rau txhua hom kev tua hluav taws, tshwj tsis yog cov qauv ua haujlwm cartridge, uas xav tau ib qhontxiv ua kom cov kauj ruamua ntej pib.
- Rub tus pin kev ruaj ntseg kom tawg lub foob.
- Teem lub nozzle ntawm lub hauv paus ntawm qhov hluav taws kub.
- Nyem qhov kov kom sib npaug kom tso tus neeg sawv cev.
- cheb lub nozzle sab mus rau sab hla hluav taws lub hauv paus kom txog thaum cov nplaim taws ploj mus.
Tib neeg yuav tsum tau nyeem cov lus qhia ntawm lawv lub tshuab tua hluav taws ua ntej muaj xwm txheej ceev. Cov txheej txheem PASS tseem yog tus qauv rau kev nyab xeeb thiab siv tau zoo.
Cov lus qhia txog kev nyab xeeb
Kev siv kom raug thiab kev saib xyuas cov tua hluav taws tiv thaiv lub neej thiab khoom. Cov ntawv ceeb toom kev nyab xeeb hluav taws hais txog ntau lub tswv yim tseem ceeb:
- Tshawb xyuas cov tua hluav taws tsis tu ncuakom ntseeg tau tias lawv ua haujlwm thaum xav tau.
- Khaws cov tshuaj tua hluav taws hauv qhov chaw pom thiab siv tau.
- Mount units ruaj ntseg rau kev nkag ceev.
- Siv covhom tshuaj tua hluav taws kom raugrau txhua qhov teeb meem hluav taws kub.
- Tsis txhob tshem tawm lossis ua kom puas daim ntawv lo thiab daim ntawv teev npe, vim lawv muab cov ntaub ntawv tseem ceeb.
- Paub txoj kev khiav tawm ua ntej tua hluav taws.
Tswv yim: Yog tias hluav taws loj hlob lossis kis mus, khiav tawm tam sim ntawd thiab hu rau cov kev pabcuam xwm txheej ceev.
Cov kauj ruam no pab txhua tus neeg teb kom nyab xeeb thiab ntseeg siab thaum muaj xwm txheej kub ntxhov.
Hluav taws tua hluav taws tu thiab tso
Kev tshuaj xyuas tsis tu ncua
Kev tshuaj xyuas niaj hnub khaws cov khoom siv hluav taws xob ruaj ntseg npaj rau kev kub ntxhov. Kev kuaj pom txhua hli pab pom kev puas tsuaj, paub meej tias qib siab, thiab xyuas kom yooj yim nkag mus. Kev tshuaj xyuas kev tshaj lij txhua xyoo txheeb xyuas qhov ua tau zoo thiab ua raws li OSHA 29 CFR 1910.157(e)(3) thiab NFPA 10 tus qauv. Hydrostatic xeem ncua sij hawm nyob ntawm seb hom tshuaj tua hluav taws, xws li txhua txhua 5 txog 12 xyoos. Cov sijhawm tshuaj xyuas no siv rau ob lub tsev thiab cov lag luam.
- Kev tshuaj xyuas qhov muag txhua hli kuaj xyuas kev puas tsuaj, siab, thiab kev nkag tau yooj yim.
- Kev saib xyuas kev tshaj lij txhua xyoo lees paub kev ua raws cai thiab kev ua haujlwm.
- Kev ntsuam xyuas hydrostatic tshwm sim txhua 5 txog 12 xyoos, raws li hom tua hluav taws.
Kev Pabcuam thiab Hloov
Kev pabcuam kom raug thiab hloov raws sijhawm tiv thaiv lub neej thiab khoom. Kev kuaj xyuas txhua hli thiab kev saib xyuas txhua xyoo raws li NFPA 10 tus qauv. Kev saib xyuas sab hauv yog xav tau txhua txhua rau xyoo. Lub sijhawm kuaj hydrostatic sib txawv los ntawm hom tua hluav taws. OSHA cov cai xav tau cov ntaub ntawv ntawm kev pabcuam thiab kev cob qhia cov neeg ua haujlwm. Kev hloov tam sim yog tsim nyog yog tias xeb, xeb, dents, tawg cov ntsaws ruaj ruaj, cov ntawv tsis raug cai, lossis cov hoses puas tshwm sim. Kev ntsuas siab nyeem ntawv sab nraum qhov ib txwm muaj lossis rov poob siab tom qab kev saib xyuas kuj tseem ceeb rau kev hloov pauv. Cov tshuaj tua hluav taws ua ntej Lub Kaum Hli 1984 yuav tsum raug tshem tawm kom ua tau raws li cov qauv kev nyab xeeb tshiab. Kev pabcuam tshaj lij thiab cov ntaub ntawv pov thawj kom ua raws li txoj cai.
Qhov chaw zoo
Kev tso tawm tswv yim ua kom muaj kev nkag tau sai thiab muaj txiaj ntsig zoo. Mount extinguishers nrog kov ntawm 3.5 thiab 5 ko taw ntawm pem teb. Khaws cov khoom tsawg kawg 4 ntiv tes tawm hauv av. Qhov siab tshaj plaws mus txawv tebchaws txawv: 75 ko taw rau chav A thiab D hluav taws kub, 30 ko taw rau chav B thiab K hluav taws. Muab cov tshuaj tua hluav taws tso ze rau ntawm qhov chaw tawm thiab cov chaw muaj kev pheej hmoo siab, xws li chav ua noj thiab chav siv tshuab. Tsis txhob tso cov chav nyob ze rau qhov chaw hluav taws kub. Mount extinguishers nyob ze lub qhov rooj hauv garages kom tsis txhob muaj kev cuam tshuam. Faib chav nyob rau hauv cov cheeb tsam uas muaj kev tsheb loj. Siv cov ntawv qhia meej thiab khaws kev nkag mus tsis muaj kev cuam tshuam. Sib piv cov chav tua hluav taws rau cov kev pheej hmoo tshwj xeeb hauv txhua cheeb tsam. Kev ntsuam xyuas tsis tu ncua tswj kev tso kawm thiab ua raws li OSHA, NFPA, thiab ADA cov qauv.
Tswv yim: Kev tso chaw kom raug txo lub sij hawm rov qab thiab ua kom muaj kev nyab xeeb thaum muaj xwm txheej ceev.
- Txhua qhov chaw xav tau lub tshuab tua hluav taws kom raug rau nws qhov kev pheej hmoo tshwj xeeb.
- Kev tshuaj xyuas tsis tu ncua thiab hloov tshiab ua kom cov phiaj xwm kev nyab xeeb muaj txiaj ntsig.
- Cov qauv tshiab hauv 2025 qhia txog qhov xav tau ntawm cov cuab yeej siv tau ntawv pov thawj thiab cov cuab yeej ntse.
Kev paub txog kev pheej hmoo hluav taws kub ua kom muaj kev tiv thaiv zoo dua rau txhua tus.
FAQ
Dab tsi yog qhov tua hluav taws zoo tshaj plaws rau kev siv hauv tsev hauv xyoo 2025?
Feem ntau cov tsev siv ABC qhuav tshuaj tua hluav taws. Nws npog cov khoom siv hluav taws xob zoo tib yam, cov kua hluav taws xob, thiab hluav taws xob hluav taws xob. Hom no muaj kev tiv thaiv dav rau kev pheej hmoo hauv tsev.
Muaj pes tsawg tus neeg yuav tsum tau tshuaj xyuas lub tshuab tua hluav taws?
Cov kws tshaj lij pom zoo kom kuaj pom qhov muag txhua hli thiab kev tshuaj xyuas txhua xyoo. Kev saib xyuas tsis tu ncua ua kom lub tshuab tua hluav taws ua haujlwm thaum muaj xwm txheej ceev thiab ua tau raws li cov qauv kev nyab xeeb.
Ib lub tshuab tua hluav taws puas tuaj yeem tswj tau txhua yam hluav taws kub?
Tsis muaj ib tug extinguisher tuav txhua qhov hluav taws kub. Txhua hom phiaj xwm tshwj xeeb. Ib txwm phim lub tshuab tua hluav taws kom muaj kev phom sij rau kev nyab xeeb siab tshaj plaws.
Tswv yim: Nco ntsoov nyeem daim ntawv lo ua ntej siv. Kev xaiv kom raug cawm tau txoj sia.
Post lub sij hawm: Aug-13-2025