Yuav Ua Li Cas Npog Lub Ru Tsev Nrog Daim Ntawv Profiled Nrog Koj Tus Kheej Tes: Cov Lus Qhia + Video

2024 Tus sau: Bailey Albertson | [email protected]. Kawg hloov kho: 2023-12-17 12:59

Txhim kho daim ntawv profiled ntawm lub-ru tsev: ib qib zuj zus cov lus qhia

Profiled ntawv yog ib tus thawj coj ntawm cov ntaub ntawv vov tsev. Lwm txoj kev, nws yog hu ua corrugated board - kev tsim kho cov khoom siv raw los ntawm cov hlau tsis xeb nrog lub tshuab txhim kho yooj yim. Txawm li cas los xij, tsis muaj teeb meem li cas yooj yim ntawm kev tso cov khoom no, nws yog nqa tawm raws li txoj cai nruj.

Cov Ntsiab Lus

• 1 Cov yam ntxwv ntawm kev teeb tsa ntawm cov vov tsev profiled ntawv

  • 1.1 Daim ntaub vov vov rau cov ntawv ci

    1.1.1 Yees duab: theem ntawm kev tsim lub ru tsev los ntawm daim ntawv profiled

  • 1.2 Tsheb thauj mus los ntawm corrugated board
  • 1.3 Cov ris tsho hnyav
  • 1.4 Txheej raws txoj kab nqes saum ru tsev

• 2 Txhim kho cov ntawv tha xim sab saum lub ru tsev

  • 2.1 Cov cuab yeej siv rau kev teeb tsa ua haujlwm
  • 2.2 Khoom siv thiab cov khoom siv ntxiv

  • 2.3 Cov kauj ruam los ntawm kauj ruam cov lus qhia

    2.3.1 Yees duab: yuav ua li cas kom tsis txhob ua yuam kev thaum txhim kho cov ntawv txheeb profiled

• 3 Lub ru tsev kho

  • 3.1 Kho cov dej xau
  • 3.2 Rov qab cov ntawv me ntsis uas puas lawm
  • 3.3 Kev Hloov Kho
  • 3.4 Yees duab: yuav ua li cas thiaj txhim kho ru tsev koj tus kheej

Cov yam ntxwv ntawm kev teeb tsa ntawm cov vov tsev profiled ntawv

Profiled ntawv yog cov khoom siv tshwj xeeb uas tsim los ntawm kev dhau los ntawm cov ntawv hlau los ntawm cov tshuab tshwj xeeb uas tsim cov ntawv uas muaj qhov siab nrog qhov siab ntawm 8 hli txog 7.5 cm.

Cov ntawv profiled tuaj yeem tiv cov kev thauj khoom tseem ceeb, yog li ntawd nws yog siv los ua cov ntaub ntawv vov tsev

Txij li thaum cov ntaub ntawv hais los tshwj xeeb, thev naus laus zis rau kev tso nws tsis yog yooj yim raws li nws zoo li thaum xub thawj. Lub sijhawm nyuaj tshaj plaws hauv kev teeb tsa cov ntawv vov tsev cov ntawv pov thawj yog suav tias yog nws txoj kev xa mus rau lub ru tsev, tshawb cov cuab yeej tsim nyog thiab cov ris nrawm, nrog rau kev tsim cov lathing.

Nqeeb ncuav mog qab zib rau cov ntawv ci profiled

Thaum sib sau ua ib lub ncuav mog qab zib ru tsev rau corrugated board, cov kauj ruam hauv qab no yuav tsum tau ua:

• kev tsim ntawm lathing los ntawm cov laug cam nrog ib ntu ntawm 3 × 10 cm, yog tias tus ntoo khaub thuas tau nyob ntawm qhov me me sib nrug (kwv yees li 1 m), lossis los ntawm cov ntaub ntawv tuab, thaum muaj qhov sib txawv ntawm 1-1.5 m dav yog nyob nruab nrab ntawm ob txhais ceg ntawm lub ru tsev txhawb cov qauv;

• tso lathing cov ntsiab lus txhua 30 cm, thiab txhawm rau ua tiav txoj haujlwm no, koj tuaj yeem nqa ob qho ntug thiab tsis ruaj;

  

  Lub lathing yog teem, raws li txoj cai, los ntawm edged boards, mounted hauv kab ntawm qhov deb ntawm 30 cm

• kev kho ntawm txhua yam ntoo ntsiab nrog hluav taws kub retardants thiab tiv thaiv rotting lub tebchaw;
• kev tsim kho hauv cov chaw txuas ntawm lub hav lathing tsis muaj qhov khoob;
• kev teeb tsa ntawm qhov cua los tso ib zaj yeeb yaj kiab dej, thiab nyob saum nws - cov ntxaij ntoo thaiv, uas tsim kom muaj qhov tsis sib luag rau huab cua dawb ntawm qhov sib txuas thiab qhov seem ntawm lub vov tsev;
• kev txhim kho ntawm kev rwb thaiv tsev tsuas yog hauv cov hlwb nruab nrab ntawm rafters siv cov ntaub ntawv yob ntawm cov ntaub ntawv pov thawj vapor, kis tau dhau ntawm txheej txheej ntawm rwb thaiv tsev thermal los ntawm sab ntawm chav.

Thaum pw lub vov tsev cov ncuav mog qab zib, nws yog ib qho tseem ceeb kom ua raws li cov txheej txheem kev pom zoo nrog kev npaj txheej txheem ntawm qhov cua ntawm qhov cua.

Video: theem ntawm kev tsim lub ru tsev los ntawm daim ntawv profiled

Tsheb thauj mus los ntawm corrugated board

Txhawm rau xa cov txheej txheem corrugated mus rau qhov chaw tsim kho lub ru tsev, koj yuav tsum ua kom zoo. Yog li ntawd, cov ntawv profiled tau pom zoo kom nqa ib daim ntawm ib lub sijhawm, thiab hauv plaub txhais tes.

Nqa cov corrugated board mus rau lub ru tsev kuj yog lub luag haujlwm ua haujlwm raws li cov kev cai nruj:

• cov khoom siv yuav tsum tsis txhob xa mus rau lub ru tsev thaum muaj cua hlob nyob sab nraud, uas tuaj yeem ua rau puas daim ntawv;
• cov nplooj ntawv yuav tsum tau nqa mus rau saum ru tsev, txuas ntxiv lub cav tshwj xeeb los ntawm nws mus rau hauv av;
• nws raug tso cai xa tib daim ntawv ib zaug;

• kev teeb tsa ntawm cov ntawv profiled yuav tsum tau nqa tawm hauv cov khau nrog cov mos mos, uas yuav tsis tawm ntawm khawb los yog hniav ntawm cov khoom thiab yuav tsis ua rau ntawm qhov chaw du ntawm cov ntawv txheeb.

  

  Cov ntawv profiled tau txav rau lub ru tsev nrog cov ntawv qhia tshwj xeeb kom tsis txhob yuam kev poob lossis deform nws

Tsim nyog khawm ris

Tsuas yog galvanized tus kheej tapping screws nrog laum qhov kawg yuav muab tau txhim khu kev qha adhesion ntawm profiled ntawv mus rau lub crate. Qhov loj ntawm cov fasteners yog nruj me ntsis tswj: qhov ntev yog 3.5 cm thiab lub taub yog 4.8 hli. Txhawm rau txhawm rau nkag mus ntawm ya raws mus rau sab hauv ntawm lub vov tsev khoom qab zib, tus kheej tapping screws yuav tsum tau nruab nrog neoprene gasket.

Kev ntsuas tus kheej rau tus kheej yog tsau rau hauv qab ntawm nthwv dej, ua tiav kev sib txuas nrog lub zog ntawm cov crate

Qhov chaw ntawm fastening lub screws rau daim ntawv profiled yog qis dua nthwv dej hauv kev sib cuag nrog lub crate

Yog tias nws tau txiav txim siab los npog lub ru tsev nrog corrugated board nrog polymer txheej, tom qab ntawd ib qho yuav tsum tau npaj kom zoo saib xyuas cov txheej txheem ntawm kev nkag mus ntawm tus kheej tapping screws rau hauv cov khoom siv. Lub puab tsaig tuaj tawm ntawm hauv qab daim ntsia hlau ntsia hlau rau hauv daim tshev nrawm yuav tsum tsis pub tso cai rau khawb txheej txheej tiv thaiv ntawm daim ntawv profiled.

Cov chips yuav tsum tau ua tib zoo tshem tawm tib lub sijhawm. Sab laug hauv thaj chaw uas tus kheej ntsia hlau ntsia hlau dhau los ntawm cov khoom siv, nws yuav dhau los ua xeb thiab kis "kis" rau thaj chaw ze. Tsis tas li ntawd, kev ntxhov siab yuav tiv thaiv blockage ntawm qhov txuas nrog lub tshwj xeeb gasket.

Cov ntsia hlau rau tus kheej yuav tsum tau muab ntsia hlau rau hauv cov khoom nruj me ntsis txiav

Tso kev nyob ntawm txoj kab nqes saum ru tsev

Lub vov tsev ntu yog tsawg kawg 12 degrees. Thiab nws nyob ntawm qhov degree ntawm nqes hav ntawm lub ru tsev raws nraim li cas koj yuav tsum tso cov ntawv profiled ntawm lub-ru tsev:

• ru tsev nqes txog 15 ° yuav tsum vov lub ru tsev raws li txoj kev uas cov ntawv sib txuas tau koom nrog 20 cm sawv;
• lub ru tsev steeper - nrog txoj kab nqes ntawm ib txoj kab nqes ntawm txog 30 ° - yog kaw nrog cov khoom sib txuas uas yog los ntawm 15-20 cm;
• nws yog qhov ib txwm ua kom sib tshooj ntawm lub ru tsev, inclined los ntawm ntau tshaj 30 °, nrog kev sib tshooj ntawm 10-15 cm.

Txoj kab nqes ntawm lub ru tsev tau cuam tshuam los ntawm cov kauj ruam sheathing. Nrog rau txoj kab me ntawm lub ru tsev ntu, lub hauv paus rau cov khoom siv vov tsev yog tsim, tawm ntawm nruab nrab ntawm nws cov kab ntawm 30 mus rau 40 cm. Thaum lub ru tsev tau qaij los ntawm ntau dua 15 °, lawv coj txawv: cov ntoo sheathing yog nteg ntawm qhov deb ntawm 50 lossis txawm 60 cm ntawm ib leeg.

Txhim kho ntawm daim ntawv profiled rau ntawm lub-ru tsev

Kev ua haujlwm vov tsev pib nrog kev npaj txhij - tshawb nrhiav cov cuab yeej, cov ntaub ntawv thiab cov khoom ntxiv.

Cov khoom siv plahaum

Txhawm rau txhawm rau txhim kho corrugated board mus rau lub ru tsev, cov cuab yeej hauv qab no yog yuav tsum muaj:

• ntsia hlau loj;
• txiab rau hlau (rau cov hlau txog 0.6 hli tuab);
• lub hacksaw rau hlau nrog cov hniav me;
• hluav taws xob jigsaw;
• hluav taws xob pom;
• ntaus cim;
• riam;
• theem;
• xab maim;
• foob pob phom.

Koj tuaj yeem txiav daim ntawv profiled nrog txiab rau hlau lossis ib txhais tes hacksaw, tab sis tsis muaj ib qho twg nrog grinder

Thaum txhim kho daim ntawv profiled, nws yog txwv tsis pub ua haujlwm nrog hluav taws xob lossis roj vuam. Kev siv cov khoom siv no yuav ua rau muaj kev tsis zoo - kev puas tsuaj rau txheej tiv thaiv ntawm cov khoom siv.

Cov khoom siv thiab cov khoom ntxiv

Nws yog qhov zoo dua los npog lub ru tsev teeb nrog txoj kab me me nrog C35 lossis C44 cov ntawv txheeb tau khov. Cov duab ntawm cov khoom siv no tuaj yeem yog trapezoidal lossis sinusoidal. Thiab qhov ntev ntawm cov ntawv zoo hloov ntawm ob mus rau rau meters, txawm hais tias qee cov tuam ntxhab, yog tias lawv tau txais kev txiav txim rau ib tus neeg, ua corrugated board hauv qhov ntau thiab tsawg los ntawm 50 cm txog 12 m.

Cov tiav qib tiav qhia tawm tswv yim ua npog lub ru tsev nrog ntxhab ntu nrog HC35 daim ntaub ntawv profiled

Profiled ntawv HC35 belongs rau cov pab pawg ntawm cov kabmob profiles thiab tau nce rigidity thiab corrosion kuj

Ntxiv nrog rau kev txhim kho corrugated board, koj yuav tsum tau khaws pob rau ntawm lub duav semicircular lossis plaub, nws yog qhov tsim nyog los tiv thaiv cov pob qij txha ntawm cov ntawv profiled. Ntxiv nrog rau lub viav vias ib nrab-lub voj voos, yuav tsum hnav cov kaus mom tshwj xeeb.

Raj lub luag haujlwm pabcuam tiv thaiv thiab kho kom zoo ntawm kev sib tshuam ntawm ob lub ru tsev pob zeb

Lwm qhov kev nthuav dav uas tsim nyog yog cua tshuab. Yog tsis muaj nws, los nag yuav poob rau ntawm cov phab ntsa ntawm lub tsev, thiab lub ru tsev yuav tsis muaj peev xwm ua kom zoo li tus qauv coj mus rau theem kawg ntawm kev tsim kho.

Cov cua txhuam ua raws li kev tiv thaiv thiab kho kom zoo nkauj ntawm lub ru tsev

Raws li kev teeb tsa ntawm lub ru tsev, qee lwm cov ntsiab lus ntxiv xav tau:

• cov phiaj xwm qis thiab txheej siab ntawm lub kwj hav (thawj cov thaiv txoj kev ya raws mus rau hauv qhov chaw hauv qab ru tsev, thiab qhov thib ob ua rau lub ru tsev yog ib qho khoom tsim tau zoo);
• cov npoo sab nrauv thiab sab hauv cov ntawv sib txuas hauv cov ces kaum.

Cov qhia ib qib zuj zus

Cov kev taw qhia ntawm kev teeb tsa ntawm lub rooj tsavxwm corrugated yog los ntawm qhov hauv qab, vim hais tias nyob rau hauv cov xwm txheej no, los nag lossis dej yuav tsis txia mus rau thaj tsam ntawm cov ntawv txheeb.

Kev teeb tsa ntawm cov ntawv profiled yog nqa tawm hauv cov kev taw qhia upwind thiab hauv qab toj.

Thaum daim ntawv profiled yog li ntev li ntawd nws npog tag nrho nqes hav, kev teeb tsa tau pib los ntawm qhov kawg ntawm lub ru tsev. Cov pob zeb vov ntawv tau mus raws li lub pob kws, ua kom nco ntsoov tias 4 cm rov qab tso hauv cov khoom lag luam (sib tshooj ntawm cov pob kws cornice). Nws yog nruj me ntsis txwv tsis pub rau qib cov vov tsev raws ntug ntawm lub qhov kawg.

Cov nplooj ntawv profiled tau pw ntawm lub-ru tsev hauv cov theem hauv qab no:

1. Thawj qhov profile tau teeb tsa ntawm lub crate thiab tsau hauv nruab nrab nrog ib tus kheej tapping ntsia hlau. Daim ntawv txuas tom ntej tau tso rau ntawm nws, ntug uas yuav tsum sib tshooj ntawm qhov dhau los ntawm ib daim dhau los. Qhov thib ob profile yog tseem tsau nyob rau hauv lub hauv nruab nrab.

   

   Cov ntawv thawj ntawm cov khoom siv yog tsau nrog ib tus kheej tapping ntsia hlau

2. Muaj nteg tawm ib txoj kab ntawm nplooj ntawv los ntawm ib ntug mus rau lwm qhov ntawm lub ru tsev, kev sib luag tav toj ntawm cov kab yog nqa tawm. Hauv qhov no, lawv tau coj los ntawm pob kws.

3. Cov ntawv profiled tau txuas rau txhua lwm yam. Kev ua nrawm nrawm yog ua nyob rau hauv thaj chaw ze ntawm lub ruv thiab nyob rau hauv txhua qhov thib peb hloov kho ntawm lub ruv ntawm cov khoom.

   

   Hauv thaj tsam ntawm lub caj dab, daim ntawv txuas nrawm dhau ntawm ib qho deflection, nyob rau thaj tsam ntawm kev sib koom tes nrog daim ntawv qis dua - hauv txhua qhov deflection, thiab hauv nruab nrab - tom qab ob spans

4. Lub corrugated board yog thaum kawg txuas rau puag. Kev ntsuas tus kheej rau tus kheej yog ntsia hlau rau ntawm qhov chaw ntawm crate qhov twg qhov thib peb qhov chaw nyob rau txhua daim ntaub thaiv. Los ntawm qhov kawg ntawm lub ru tsev, cov profiles tau tsau nyob rau hauv cov chaw ntawm kev sib cuag nrog lathing tom qab ib qho deflection. Lub kaum npoo sab saum toj ntawm cov ntawv uas nyob ze rau hauv qhov nqaj yog nias tawm tsam lub hauv paus kuj dhau los ntawm qhov deflection ntawm nthwv dej.
5. Cov khoom siv ntau heev yog muab pov tseg los ntawm kev siv lub hacksaw. Txoj haujlwm no yuav tsum tau ua los ntawm qhov kawg ntawm lub tsev thiab ntawm ob sab ntawm txoj kab ntoo ru tsev.

6. Lub ru tsev yog nruab nrog qhov kawg kem tsau hauv corrugated yoj los ntawm txoj kev ntawm tus kheej tapping screws. Lub caij no yog tsau los ntawm hauv qab, txav ntawm ruv tsev. Yog tias tsim nyog, kev koom ua ke ntawm ob daim phiaj yog tsim nrog kev sib tshooj loj - ntau dua 5 cm. Hauv qhov no, kev txhim kho nrawm yog ua txhua txhua 60-100 cm.

   

   Cov phiajcim kawg yog ntsia nrog qhov sib tshooj loj thiab txuas rau crate nrog tus kheej tapping screws

7. Nruab nrab ntawm lub ruv ntawm lub ru tsev thiab cov ntawv txheeb profiled, ib lub foob raug muab zais, uas nws tus kheej ua raws li lub chaw teeb tsa. Cov hlua khis caj dab yog tsim tsa, txuas lawv cov npoo los ntawm 10 cm. Lub cauj khawm tso rau hauv 30 cm nce.

Video: yuav ua li cas kom tsis txhob ua yuam kev thaum txhim kho cov ntawv txheeb profiled

Kho ru tsev

Ib qho teeb meem nram qab no tuaj yeem tshwm sim rau lub ru tsev ua los ntawm corrugated board: cov dej xau nrog kev puas tsuaj tom qab los ntawm kev xeb, kev puas tsuaj hauv daim ntawv ntawm qhov tsuas yog qee qhov chaw ntawm lub ru tsev thiab thoob ntiaj teb kev puas tsuaj rau cov ntawv.

Tshem tawm kev xau vov tsev

Txhawm rau pom tias lub ru tsev, them nrog cov ntawv profiled, yog qhov dej xau, koj yuav tsum tau ua qhov kev soj ntsuam ntawm cov neeg ntsaws ruaj ruaj. Tej zaum lawv tsis tau khov kho rau hauv cov khoom siv, yog li ntawd cov gasket tshwj xeeb rau lawv tsis tuaj yeem tiv thaiv kom tsis txhob muaj dej mus rau hauv cov khaubncaws sab nraud povtseg ntawm lub vov tsev ncuav.

Yog hais tias qhov teeb meem ntawm lub ru tsev tawg tau pom tseeb ob peb lub hlis tom qab kev tsim kho ntawm lub ru tsev, ces cov kev daws teeb meem yooj yim heev. Koj tsuas yog yuav tsum nce kom lub ru tsev thiab zawm cov ntsia hlau kom tawv.

Qee zaum vim li cas rau lub ru tsev txia dej tsis zoo ntawm cov screws.

Thaum hloov kho ntawm cov fasteners hloov mus rau qhov tsis zoo, lawv nrhiav lwm txoj hauv kev tawm ntawm qhov xwm txheej. Nws tshwm sim hais tias kom tiv thaiv tsis tau lub ru tsev, koj yuav tsum tau mus rau txoj haujlwm xws li:

• hloov qee ntu ntawm lub vov tsev;
• kev tsim kho ntawm lub ru tsev screed lossis teeb tsa ntawm lub tshiab;
• dismantling ntawm aprons qub ntawm pob kws thiab ua kom lub tsev vov.

Txhawm tias pom cov kab nrib pleb me me thiab khawb ntawm saum ru tsev, nco ntsoov nqa ib txoj hauv kev los thaiv lawv. Txhawm rau tshem tawm cov ntaub qhwv tob ntawm cov khoom siv, mastic yog siv.

Mastic muaj peev xwm kom tshem tau cov kab nrib pleev me me ntawm lub ru tsev

Kev xeb ntawm lub vov tsev cov ntawv vov uas tseem ceeb kuj yuav tsum tau tawm tsam, vim tias nws qhia qhov kev puas tsuaj rau txheej txheej tiv thaiv ntawm cov khoom. Cov chaw uas muaj xeb tawm yuav tsum tau muab ntxuav thiab tom qab ntawd kho nrog ib rab phom. Cov theem kawg ntawm cov txheej txheem no yog daim ntawv thov ntawm bitumen kua roj vanish lossis hmoov txhuas, tuaj yeem tsim cov yeeb yaj kiab tiv thaiv tshiab ntawm lub rooj tsav corrugated.

Rov qab ntawm cov ntaub ntawv me ntsis puas lawm

Ib tus pabcuam hauv kev pabcuam daws teebmeem ntawm kev kho lub ru tsev yuav yog kev sib xyaw ua ke ntawm kev coj ua liab, yog tias tsuas yog kev puas tsuaj me me tau tshwm sim rau ntawm corrugated board. Thiab yog tias pom cov qhov, cov ntawv txheeb yuav muaj kev cawm nrog cov phuam, yav tas los kho nrog rhuab bitumen. Bituminous mastic yog nchuav rau hauv qhov chaw uas qhov sib txawv nyuam qhuav tau khi nrog tus neeg sawv cev uas tau hais tseg.

Lub qhov loj yog tshem tawm nrog cov vuas vov lossis cov tsaj. Lub thaj yog txiav 25 cm dav dua li lub qhov pom. Ua ntej tshaj plaws, av tau raug tshem tawm ntawm thaj chaw puas nrog tus txhuam nrog tus txhuam hlau, tom qab ntawd saum npoo yog kho nrog rhuab bitumen mastic thiab qhuav rau ob peb teev.

Cov dej xau me me tuaj yeem raug tshem tawm nrog ib daim ntawm burlap glued mus rau mastic.

Lub thaj tuaj yeem nteg ob txheej yog tias lub qhov ntawm cov ntawv profiled zoo li loj. Ib daim ntawm cov khoom tso ntawm lub qhov yog smeared nrog rhuab mastic.

Thaum lub qhov nyob hauv corrugated board yog qhov loj dua, cov kab xo yog ua los ntawm cov ntawv hlau, uas tsis tas yuav ua tshiab. Daim hlau txuas nrog cov ntsia hlau rau lub crate, yog li tiv thaiv nws los ntawm sagging.

Overhaul

Hauv qee kis, koj yuav tsum tsis txhob suav rau kev pab ntawm cov sib txuas tshwj xeeb thiab thaj ua rau thaj. Nws tshwm sim tias daim ntawv puas yuav tsum tau hloov kiag li.

Dismantling lub vov tsev uas puas lawm yog lub luag haujlwm uas yuav xav tau kev siv zog ntau. Tseem, ua ke nrog cov nplooj to, koj yuav tau hloov cov khoom qub thermal rwb thaiv tsev.

Kev kho dua ntawm lub ru tsev ua los ntawm corrugated board cuam tshuam txog kev rhuav tshem cov ntawv qub thiab ua tib zoo tshuaj saib cov khaubncaws sab nraud ntawm lub ru tsev

Cov yeeb yaj kiab dej tsis tawm, thiab ib qho tshiab yog tso rau hauv nws qhov chaw yog tias cov qhov tseem pom hauv nws. Thaum cov ntoo ntoo nrog rot tau pom hauv lub ru tsev, "thaj chaw" kis tau raug txiav thiab lubricated nrog kev siv tshuaj tua kab mob.

Pom tau hais tias kev tshem tawm ntawm cov ntoo damp tau zoo heev txo cov tuab ntawm lub qhov rooj lossis lwm qhov chaw ntoo, lawv yog cov tsim tsa lossis txhim kho lub hauv paus tshiab.

Daim vis dis aus: yuav ua li cas kho ru tsev koj tus kheej

Kev teeb tsa lub ru tsev corrugated board thiab nws txoj kev kho yuav xav tau mastering ntau subtleties ntawm kev tsim kho ua haujlwm. Txawm li cas los xij, qhov no tsis txhais txhua lub luag haujlwm yog qhov nyuaj kom ua tiav. Rau feem ntau, nws tsuas yog lub luag haujlwm.