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Koj lossis ib tug neeg hauv koj tsev neeg puas xav tau lub thoob oxygen? Cia peb tham txog qhov no yooj yim xwb.

Koj lossis ib tug neeg hauv koj tsev neeg puas xav tau lub thoob oxygen? Cia peb tham txog qhov no yooj yim xwb.

Tej zaum koj yuav tau pom ib tug neeg uas ua pa nyuaj nqa ib lub tshuab me me zoo li lub thoob hauv lub rooj zaum muaj log, lossis ib lub txaj pw hauv tsev kho mob uas muaj lub thoob zoo li no. Cov no yog yam peb hu ua 'cov thoob pa oxygen'. Qhov no yog kev pab zoo rau ib tus neeg uas ua pa nyuaj. Tab sis muaj ntau yam tseem ceeb uas yuav tsum paub thaum siv cov no. Yog li hnub no peb yuav tham txog cov thoob pa oxygen no yog dab tsi, yuav siv lawv li cas, thiab koj yuav tsum ceev faj li cas.

Hais yooj yim xwb, lub tank oxygen no yog dab tsi?

Lub thoob pa oxygen yog lub thoob hlau uas khaws cov pa oxygen rau hauv qab qhov siab. Qhov no yog ib feem ntawm kev kho mob hu ua kev kho mob oxygen . Yog tias koj muaj kab mob ntsws lossis ua pa nyuaj, cov thoob no pab muab cov pa oxygen uas lub cev xav tau.

Cov pa oxygen no tuaj yeem khaws cia rau hauv cov thoob dej ua roj (cov pa oxygen uas raug nias) lossis ua kua (cov pa oxygen uas raug nias). Cov no muaj ntau qhov loj sib txawv. Qee qhov loj thiab nyuaj rau nqa mus los. Feem ntau lawv siv hauv tsev lossis hauv tsev kho mob. Lwm qhov me me thiab koj tuaj yeem nqa nrog koj thaum koj tawm mus.

Lub cev tau txais oxygen los ntawm ob txoj kev tseem ceeb:

1. Ib lub cuab yeej uas muaj ob lub raj yas me me uas muab ntxig rau hauv lub qhov ntswg. Peb hu qhov no ua lub raj nqus pa hauv qhov ntswg .

2. Ib lub ntaub npog ntsej muag yas uas npog ob qho tib si lub qhov ntswg thiab qhov ncauj.

Cov hau kev tseem ceeb ntawm kev xa cov pa oxygen yog dab tsi?

Muaj peb txoj hauv kev tseem ceeb uas koj tuaj yeem muab oxygen rau koj tus kheej. Cia peb saib seb lawv yog dab tsi.

Txoj Kev Kev piav qhia Cov ntsiab lus tshwj xeeb
Cov Pa Pa Uas Tau Muab Tso Rau Hauv Cov pa uas peb ib txwm ua pa yog li ntawm 20% ntawm cov pa oxygen. Cov thoob no muaj 99.5% cov pa oxygen ntshiab. Koj tuaj yeem pom tias muaj pa oxygen ntau npaum li cas los ntawm kev siv lub ntsuas ntawm lub thoob. Thaum lub tank puv lawm, yuav tsum tau ntxiv roj.
Cov Pa Pa Ua Kua Hauv qhov no, 100% ntawm cov pa oxygen raug khaws cia ua cov kua dej txias heev. Thaum nws tawm hauv lub tank, nws tig rov qab mus ua roj. Yuav tsum tau ceev faj heev. Yog tias cov pa oxygen no kov lub cev, nws tuaj yeem ua rau kub hnyiab lossis mob frostbite vim yog qhov txias heev.
Lub Tshuab Pa oxygen Qhov no yog lub tshuab uas rub cua los ntawm ib puag ncig, tshem tawm cov nitrogen ntawm nws, thiab tso tawm tsuas yog oxygen xwb. Cov no ua haujlwm tau los ntawm hluav taws xob lossis roj teeb. Lawv tsis tas yuav rov ntim dua li cov thoob dej. Qhov no yog qhov zoo tshaj plaws.

Cov mob twg xav tau kev kho mob oxygen?

Koj tus kws kho mob yuav pom zoo kom siv oxygen rau ntau yam mob uas ua rau ua pa nyuaj. Qee qhov ntawm cov no suav nrog:

  • Mob hawb pob
  • Mob ntsws
  • Kab mob ntsws ntev (COPD) - Qhov no yog ib qho kab mob ntsws uas kis mus rau lwm lub ntsws mus ntev.
  • Mob Cystic Fibrosis
  • Mob ntsws ua pa nyuaj
  • Lub plawv tsis ua haujlwm
  • Mob qog nqaij hlav ntsws
  • Mob ntsws o
  • Kev raug mob rau lub cev ua pa (piv txwv li, lub ntsws tawg, tav tawg)
  • Kev pw tsaug zog tsis taus pa

Ntxiv rau cov mob no, qee tus neeg ncaws pob lossis cov neeg uas mus ncig rau qhov chaw siab, xws li roob, yuav siv oxygen ib ntus.

Yuav siv lub tank oxygen li cas kom raug?

Koj tus kws kho mob thiab lub tuam txhab khoom siv kho mob yuav qhia koj siv nws li cas, tab sis nws yog ib qho tseem ceeb kom paub cov kauj ruam yooj yim.

1. Ruaj ntseg lub tank: Ruaj ntseg lub tank rau hauv lub hau lossis lub laub uas los nrog nws. Tsis txhob cia nws poob.

2. Xyuas lub regulator: Saib lub 'meter' saum lub tank. Yog tias lub koob nyob rau hauv seem ntsuab, lub tank puv lawm. Thaum koj siv nws, lub koob yuav maj mam txav mus rau sab liab. Thaum nws mus txog liab, lub tank khoob lawm.

3.Kho kom raug: Tsuas yog kho lub pob qhov rooj kom raug rau qhov ntau ntawm cov pa oxygen uas koj tus kws kho mob tau sau tseg . Tsis txhob hloov qhov ntau no thaum twg koj xav tau.

4. Tig lub tank rau/kaw: Muaj ib lub wrench me me nyob rau sab saum toj ntawm lub tank kom qhib thiab kaw lub valve. Tig nws mus rau sab laug kom qhib, thiab tig nws mus rau sab xis kom kaw.

5. Txuas lub raj: Txuas koj lub raj mis ntswg lossis lub npog ntsej muag rau qhov chaw tsim nyog ntawm lub regulator. Xyuas seb puas muaj oxygen los ntawm kev kov nws lossis mloog lub suab.

6. Tua thaum tsis siv: Nco ntsoov kaw lub qhov dej thaum koj tsis siv oxygen.

Kev ua kom huv si kuj tseem ceeb heev.

Nws yog ib qho tseem ceeb uas yuav tsum khaws cov khoom siv uas koj siv kom huv si kom tiv thaiv kev kis kab mob.

  • Ntxuav cov yeeb nkab yas uas koj siv kom huv si nrog xab npum thiab dej tsawg kawg ib zaug ib lub lim tiam .
  • Hloov koj lub cannula hauv qhov ntswg lossis lub qhov ncauj mus rau ib qho tshiab tsawg kawg ib hlis ib zaug .
  • Yog koj muaj mob xws li mob khaub thuas, nco ntsoov hloov lub cannula lossis lub qhov ncauj nrog ib lub tshiab tom qab koj zoo lawm.

Kev nyab xeeb yog qhov tseem ceeb tshaj! Ceev faj txog tej yam no

Qhov no yog qhov tseem ceeb tshaj plaws. Cov pa oxygen tsis yog ib yam dab tsi uas kub hnyiab. Txawm li cas los xij, yog tias muaj cov pa oxygen nyob rau hauv qhov chaw uas muaj hluav taws, hluav taws ntawd tuaj yeem kis tau sai dua thiab hnyav dua. Muaj peev xwm ua rau muaj kev tawg loj. Yog li, ceev faj heev txog cov no.

Tej yam koj yuav tsum tsis txhob ua ze ntawm lub tank oxygen
Hluav taws thiab kub siab

  • Cov luam yeeb, cov luam yeeb loj, thiab cov dej haus
  • Teeb tswm ciab, teeb, thiab qhov cub
  • Tso ze ntawm cov qhov cub roj, cov hniav nyiaj hniav kub, thiab cov qhov cub

Cov ntaub ntawv uas yoo kub hnyiab

  • Roj av (roj av), roj, xim, tshuaj thinner
  • Cawv ntxuav tes
  • Cov khoom siv roj:Tsis txhob siv cov khoom zoo li Vaseline® rau ntawm qhov ntswg lossis daim di ncauj qhuav. Hloov chaw, siv cov khoom ua los ntawm dej xws li KY Jelly®.

Cov khoom siv hluav taws xob

  • Cov tshuab ziab plaub hau, cov riam phom hluav taws xob, cov cwj mem vape
  • Cov pam fais fab, cov cua sov hauv chav

Nws tseem yog ib lub tswv yim zoo kom muab daim ntawv "Tsis Pub Haus Luam Yeeb" tso rau ntawm koj lub qhov rooj. Tsis tas li ntawd, ib txwm khi lub tank kom ruaj, vim nws tuaj yeem poob. Yog tias nws poob thiab tawg, huab cua tuaj yeem tawm hauv qab lub zog siab thiab ua rau lub tank ya zoo li lub foob pob hluav taws.

Lub sijhawm twg koj yuav tsum mus ntsib kws kho mob?

Yog tias koj muaj cov tsos mob no thaum siv cov pa oxygen, nws yuav yog ib qho cim qhia tias koj lub cev tau txais oxygen ntau dhau, uas ua rau koj lub ntsws puas tsuaj. Yog tias qhov no tshwm sim, mus ntsib kws kho mob tam sim ntawd.

  • kiv taub hau
  • Kev tsis meej pem
  • Kev tsis nco qab
  • Mob taub hau
  • Xeev siab thiab ntuav

Tsis tas li ntawd, yog tias koj xav tias koj lub tank oxygen lossis lub tshuab tswj tsis ua haujlwm zoo, nrhiav kev pab kho mob tam sim ntawd.

Qhov tseem ceeb tshaj plaws yog koj tsis tuaj yeem mus rau hauv tsev muag tshuaj thiab yuav lub thoob pa oxygen. Qhov no yeej xav tau daim ntawv qhia los ntawm kws kho mob. Tus kws kho mob yog tus txiav txim siab seb koj xav tau pa oxygen ntau npaum li cas thiab koj yuav tsum siv nws ntev npaum li cas hauv ib hnub.

Kev pib siv lub tank oxygen yuav nyuaj me ntsis thaum xub thawj. Tab sis tsis txhob cia nws txwv koj txoj kev ua neej ib txwm. Yog tias koj muaj lus nug lossis kev txhawj xeeb txog qhov no, tham nrog koj tus kws kho mob txog qhov no. Nws yuav pab koj kom koj siv tau.

Cov Lus Qhia Txog Kev Coj Mus Tsev

  • Oxygen yog ib yam tshuaj. Siv tsuas yog qhov ntau thiab tsawg thiab txoj kev uas koj tus kws kho mob pom zoo. Tsis txhob hloov qhov ntau npaum li cas ntawm koj tus kheej.
  • Kev nyab xeeb ua ntej! Khaws lub thawv oxygen kom deb li 10 feet ntawm cov nplaim taws, cua sov ntau dhau, cov roj, thiab cov neeg haus luam yeeb.
  • Ib txwm ntxuav cov raj thiab cov ntaub npog qhov ncauj uas koj siv, thiab hloov lawv nrog cov tshiab thaum tsim nyog.
  • Yog tias koj muaj cov tsos mob xws li kiv taub hau, tsis meej pem, lossis mob taub hau hnyav thaum siv oxygen, nrhiav kev pab kho mob tam sim ntawd.
  • Yuav tsum muaj daim ntawv sau tshuaj kho mob thiaj li tau txais thiab ntxiv lub taub ntim pa oxygen rau.

Cov Thawv Oxygen, Kev Kho Mob Oxygen, Ua Pa Nyuaj, COPD, Mob Hlwb Plawv, Lub Tshuab Ua Pa Oxygen, Cov Kab Mob Ua Pa
⚠️ Important: The medical articles and information on Nirogi Lanka are for general awareness only, and are by no means a substitute for professional medical advice, diagnosis, or treatment. For any medical problem you have, consult a qualified physician immediately.

💬 Comments (0)

Tsis muaj lus teb tau muab tso tawm. Ntxiv koj cov lus tawm ntawm no thawj zaug.

Ntxiv koj cov lus

Thov xam: 4 + 5 =
Koj lossis ib tug neeg hauv koj tsev neeg puas xav tau lub thoob oxygen? Cia peb tham txog qhov no yooj yim xwb.

Koj lossis ib tug neeg hauv koj tsev neeg puas xav tau lub thoob oxygen? Cia peb tham txog qhov no yooj yim xwb.

Tej zaum koj yuav tau pom ib tug neeg uas ua pa nyuaj nqa ib lub tshuab me me zoo li lub thoob hauv lub rooj zaum muaj log, lossis ib lub txaj pw hauv tsev kho mob uas muaj lub thoob zoo li no. Cov no yog yam peb hu ua 'cov thoob pa oxygen'. Qhov no yog kev pab zoo rau ib tus neeg uas ua pa nyuaj. Tab sis muaj ntau yam tseem ceeb uas yuav tsum paub thaum siv cov no. Yog li hnub no peb yuav tham txog cov thoob pa oxygen no yog dab tsi, yuav siv lawv li cas, thiab koj yuav tsum ceev faj li cas.

Hais yooj yim xwb, lub tank oxygen no yog dab tsi?

Lub thoob pa oxygen yog lub thoob hlau uas khaws cov pa oxygen rau hauv qab qhov siab. Qhov no yog ib feem ntawm kev kho mob hu ua kev kho mob oxygen . Yog tias koj muaj kab mob ntsws lossis ua pa nyuaj, cov thoob no pab muab cov pa oxygen uas lub cev xav tau.

Cov pa oxygen no tuaj yeem khaws cia rau hauv cov thoob dej ua roj (cov pa oxygen uas raug nias) lossis ua kua (cov pa oxygen uas raug nias). Cov no muaj ntau qhov loj sib txawv. Qee qhov loj thiab nyuaj rau nqa mus los. Feem ntau lawv siv hauv tsev lossis hauv tsev kho mob. Lwm qhov me me thiab koj tuaj yeem nqa nrog koj thaum koj tawm mus.

Lub cev tau txais oxygen los ntawm ob txoj kev tseem ceeb:

1. Ib lub cuab yeej uas muaj ob lub raj yas me me uas muab ntxig rau hauv lub qhov ntswg. Peb hu qhov no ua lub raj nqus pa hauv qhov ntswg .

2. Ib lub ntaub npog ntsej muag yas uas npog ob qho tib si lub qhov ntswg thiab qhov ncauj.

Cov hau kev tseem ceeb ntawm kev xa cov pa oxygen yog dab tsi?

Muaj peb txoj hauv kev tseem ceeb uas koj tuaj yeem muab oxygen rau koj tus kheej. Cia peb saib seb lawv yog dab tsi.

Txoj Kev Kev piav qhia Cov ntsiab lus tshwj xeeb
Cov Pa Pa Uas Tau Muab Tso Rau Hauv Cov pa uas peb ib txwm ua pa yog li ntawm 20% ntawm cov pa oxygen. Cov thoob no muaj 99.5% cov pa oxygen ntshiab. Koj tuaj yeem pom tias muaj pa oxygen ntau npaum li cas los ntawm kev siv lub ntsuas ntawm lub thoob. Thaum lub tank puv lawm, yuav tsum tau ntxiv roj.
Cov Pa Pa Ua Kua Hauv qhov no, 100% ntawm cov pa oxygen raug khaws cia ua cov kua dej txias heev. Thaum nws tawm hauv lub tank, nws tig rov qab mus ua roj. Yuav tsum tau ceev faj heev. Yog tias cov pa oxygen no kov lub cev, nws tuaj yeem ua rau kub hnyiab lossis mob frostbite vim yog qhov txias heev.
Lub Tshuab Pa oxygen Qhov no yog lub tshuab uas rub cua los ntawm ib puag ncig, tshem tawm cov nitrogen ntawm nws, thiab tso tawm tsuas yog oxygen xwb. Cov no ua haujlwm tau los ntawm hluav taws xob lossis roj teeb. Lawv tsis tas yuav rov ntim dua li cov thoob dej. Qhov no yog qhov zoo tshaj plaws.

Cov mob twg xav tau kev kho mob oxygen?

Koj tus kws kho mob yuav pom zoo kom siv oxygen rau ntau yam mob uas ua rau ua pa nyuaj. Qee qhov ntawm cov no suav nrog:

  • Mob hawb pob
  • Mob ntsws
  • Kab mob ntsws ntev (COPD) - Qhov no yog ib qho kab mob ntsws uas kis mus rau lwm lub ntsws mus ntev.
  • Mob Cystic Fibrosis
  • Mob ntsws ua pa nyuaj
  • Lub plawv tsis ua haujlwm
  • Mob qog nqaij hlav ntsws
  • Mob ntsws o
  • Kev raug mob rau lub cev ua pa (piv txwv li, lub ntsws tawg, tav tawg)
  • Kev pw tsaug zog tsis taus pa

Ntxiv rau cov mob no, qee tus neeg ncaws pob lossis cov neeg uas mus ncig rau qhov chaw siab, xws li roob, yuav siv oxygen ib ntus.

Yuav siv lub tank oxygen li cas kom raug?

Koj tus kws kho mob thiab lub tuam txhab khoom siv kho mob yuav qhia koj siv nws li cas, tab sis nws yog ib qho tseem ceeb kom paub cov kauj ruam yooj yim.

1. Ruaj ntseg lub tank: Ruaj ntseg lub tank rau hauv lub hau lossis lub laub uas los nrog nws. Tsis txhob cia nws poob.

2. Xyuas lub regulator: Saib lub 'meter' saum lub tank. Yog tias lub koob nyob rau hauv seem ntsuab, lub tank puv lawm. Thaum koj siv nws, lub koob yuav maj mam txav mus rau sab liab. Thaum nws mus txog liab, lub tank khoob lawm.

3.Kho kom raug: Tsuas yog kho lub pob qhov rooj kom raug rau qhov ntau ntawm cov pa oxygen uas koj tus kws kho mob tau sau tseg . Tsis txhob hloov qhov ntau no thaum twg koj xav tau.

4. Tig lub tank rau/kaw: Muaj ib lub wrench me me nyob rau sab saum toj ntawm lub tank kom qhib thiab kaw lub valve. Tig nws mus rau sab laug kom qhib, thiab tig nws mus rau sab xis kom kaw.

5. Txuas lub raj: Txuas koj lub raj mis ntswg lossis lub npog ntsej muag rau qhov chaw tsim nyog ntawm lub regulator. Xyuas seb puas muaj oxygen los ntawm kev kov nws lossis mloog lub suab.

6. Tua thaum tsis siv: Nco ntsoov kaw lub qhov dej thaum koj tsis siv oxygen.

Kev ua kom huv si kuj tseem ceeb heev.

Nws yog ib qho tseem ceeb uas yuav tsum khaws cov khoom siv uas koj siv kom huv si kom tiv thaiv kev kis kab mob.

  • Ntxuav cov yeeb nkab yas uas koj siv kom huv si nrog xab npum thiab dej tsawg kawg ib zaug ib lub lim tiam .
  • Hloov koj lub cannula hauv qhov ntswg lossis lub qhov ncauj mus rau ib qho tshiab tsawg kawg ib hlis ib zaug .
  • Yog koj muaj mob xws li mob khaub thuas, nco ntsoov hloov lub cannula lossis lub qhov ncauj nrog ib lub tshiab tom qab koj zoo lawm.

Kev nyab xeeb yog qhov tseem ceeb tshaj! Ceev faj txog tej yam no

Qhov no yog qhov tseem ceeb tshaj plaws. Cov pa oxygen tsis yog ib yam dab tsi uas kub hnyiab. Txawm li cas los xij, yog tias muaj cov pa oxygen nyob rau hauv qhov chaw uas muaj hluav taws, hluav taws ntawd tuaj yeem kis tau sai dua thiab hnyav dua. Muaj peev xwm ua rau muaj kev tawg loj. Yog li, ceev faj heev txog cov no.

Tej yam koj yuav tsum tsis txhob ua ze ntawm lub tank oxygen
Hluav taws thiab kub siab

  • Cov luam yeeb, cov luam yeeb loj, thiab cov dej haus
  • Teeb tswm ciab, teeb, thiab qhov cub
  • Tso ze ntawm cov qhov cub roj, cov hniav nyiaj hniav kub, thiab cov qhov cub

Cov ntaub ntawv uas yoo kub hnyiab

  • Roj av (roj av), roj, xim, tshuaj thinner
  • Cawv ntxuav tes
  • Cov khoom siv roj:Tsis txhob siv cov khoom zoo li Vaseline® rau ntawm qhov ntswg lossis daim di ncauj qhuav. Hloov chaw, siv cov khoom ua los ntawm dej xws li KY Jelly®.

Cov khoom siv hluav taws xob

  • Cov tshuab ziab plaub hau, cov riam phom hluav taws xob, cov cwj mem vape
  • Cov pam fais fab, cov cua sov hauv chav

Nws tseem yog ib lub tswv yim zoo kom muab daim ntawv "Tsis Pub Haus Luam Yeeb" tso rau ntawm koj lub qhov rooj. Tsis tas li ntawd, ib txwm khi lub tank kom ruaj, vim nws tuaj yeem poob. Yog tias nws poob thiab tawg, huab cua tuaj yeem tawm hauv qab lub zog siab thiab ua rau lub tank ya zoo li lub foob pob hluav taws.

Lub sijhawm twg koj yuav tsum mus ntsib kws kho mob?

Yog tias koj muaj cov tsos mob no thaum siv cov pa oxygen, nws yuav yog ib qho cim qhia tias koj lub cev tau txais oxygen ntau dhau, uas ua rau koj lub ntsws puas tsuaj. Yog tias qhov no tshwm sim, mus ntsib kws kho mob tam sim ntawd.

  • kiv taub hau
  • Kev tsis meej pem
  • Kev tsis nco qab
  • Mob taub hau
  • Xeev siab thiab ntuav

Tsis tas li ntawd, yog tias koj xav tias koj lub tank oxygen lossis lub tshuab tswj tsis ua haujlwm zoo, nrhiav kev pab kho mob tam sim ntawd.

Qhov tseem ceeb tshaj plaws yog koj tsis tuaj yeem mus rau hauv tsev muag tshuaj thiab yuav lub thoob pa oxygen. Qhov no yeej xav tau daim ntawv qhia los ntawm kws kho mob. Tus kws kho mob yog tus txiav txim siab seb koj xav tau pa oxygen ntau npaum li cas thiab koj yuav tsum siv nws ntev npaum li cas hauv ib hnub.

Kev pib siv lub tank oxygen yuav nyuaj me ntsis thaum xub thawj. Tab sis tsis txhob cia nws txwv koj txoj kev ua neej ib txwm. Yog tias koj muaj lus nug lossis kev txhawj xeeb txog qhov no, tham nrog koj tus kws kho mob txog qhov no. Nws yuav pab koj kom koj siv tau.

Cov Lus Qhia Txog Kev Coj Mus Tsev

  • Oxygen yog ib yam tshuaj. Siv tsuas yog qhov ntau thiab tsawg thiab txoj kev uas koj tus kws kho mob pom zoo. Tsis txhob hloov qhov ntau npaum li cas ntawm koj tus kheej.
  • Kev nyab xeeb ua ntej! Khaws lub thawv oxygen kom deb li 10 feet ntawm cov nplaim taws, cua sov ntau dhau, cov roj, thiab cov neeg haus luam yeeb.
  • Ib txwm ntxuav cov raj thiab cov ntaub npog qhov ncauj uas koj siv, thiab hloov lawv nrog cov tshiab thaum tsim nyog.
  • Yog tias koj muaj cov tsos mob xws li kiv taub hau, tsis meej pem, lossis mob taub hau hnyav thaum siv oxygen, nrhiav kev pab kho mob tam sim ntawd.
  • Yuav tsum muaj daim ntawv sau tshuaj kho mob thiaj li tau txais thiab ntxiv lub taub ntim pa oxygen rau.

Cov Thawv Oxygen, Kev Kho Mob Oxygen, Ua Pa Nyuaj, COPD, Mob Hlwb Plawv, Lub Tshuab Ua Pa Oxygen, Cov Kab Mob Ua Pa
⚠️ Important: The medical articles and information on Nirogi Lanka are for general awareness only, and are by no means a substitute for professional medical advice, diagnosis, or treatment. For any medical problem you have, consult a qualified physician immediately.

💬 Comments (0)

Tsis muaj lus teb tau muab tso tawm. Ntxiv koj cov lus tawm ntawm no thawj zaug.

Ntxiv koj cov lus

Thov xam: 4 + 5 =