Cov Hom Pob Zeb Drywall: Hlau, PVC thiab Ntawv-Ntsej (thiab Qhov Twg Txhua Qhov Tsis Ua Haujlwm)
Nug peb pab neeg uas muaj kev paub dhau los seb lub ces kaum twg zoo tshaj plaws thiab koj yuav tau txais peb lo lus teb uas tiv thaiv tau. Qhov ntawd tsis yog vim tias cov khoom zoo ib yam ntawm txhua yam. Nws yog vim tias feem ntau qhov kev sib piv hla lo lus nug thawj zaug: koj puas haum lub hlaws ruaj khov lossis daim kab xev ywj pheej? Teb qhov ntawd, thiab kev txiav txim siab ntawm cov khoom siv feem ntau ua rau nws tus kheej.
Pib nrog cov lus qhia sib cais feem ntau hla: hlaws lossis daim kab xev
Yuav luag txhua tsab xov xwm ntawm cov ncauj lus no teev cov ntaub ntawv - hlau, vinyl, ntawv-ntsej muag - thiab yeej tsis tau hais tias cov khoom muaj ob hom sib txawv.
A lub ces kaum pob zeb khov khoyog ib daim profile uas tau ua tiav lawm. Nws tuav nws lub kaum sab xis ntawm nws tus kheej, thiab nws tau txuas nrog mechanically: ntsia hlau, ntsia hlau, stapled lossis crimped los ntawm nws cov flanges rau hauv lub rooj tsavxwm thiab framing. Adaim kab xev ces kaumyog ib qho khoom sib xyaw tiaj tiaj, dov-ntim uas tau tais raws nws txoj kab nruab nrab thiab muab tso rau hauv cov khoom sib koom ua ke. Tsis muaj cov khoom txuas hla nws hlo li.
Qhov sib txawv ntawm kev txuas ntawd tsav yuav luag txhua yam uas ua raws li.
Ib lub hlaws dai uas raug kho los ntawm cov khoom siv uas hla mus rau hauv kev ua kom zoo nkauj. Kev ua kom zoo nkauj txav mus los - nws qhuav, ntsws thiab hloov pauv raws caij nyoog - thiab thaum nws ua li ntawd, cov khoom siv ntawd tuaj yeem raug thawb mus rau sab nraud, coj lub nplhaib ntawm cov khoom sib xyaw nrog lawv. Qhov ntawd yog lub tshuab tom qab ob qho kev tsis txaus siab feem ntau ntawm cov ces kaum: cov kab plaub hau khiav raws lub flange ntawm lub hlaws dai, thiab cov ntsia hlau lossis cov taub hau ntsia hlau telegraphing los ntawm qhov chaw tiav.
Ib lub ces kaum uas muaj daim kab xev nplaum rau ntawm lub rooj tsavxwm yog siv cov khoom sib xyaw ua ke. Tsis muaj cov khoom siv khi uas yuav tsum tau thawb tawm, yog vim li cas cov khoom ua los ntawm daim ntawv thiaj li raug piav qhia tias yuav luag tshem tawm cov kab nrib pleb ntawm ces kaum, cov ntug tawg thiab cov ntsia hlau tawg.
Daim ntawv dov muaj qhov zoo thib ob: nws tau ntim rau hauv cov yob thiab txiav rau qhov ntev uas koj xav tau tiag tiag, uas txo cov kev txiav thiab kev thauj mus los pov tseg piv rau kev tuav cov qhov ntev nruj. Ib tus neeg muag khoom ntawm daim kab xev hlau dov piav qhia nws yooj yim dua li cov hlaws hlau ib txwm muaj rau qhov laj thawj no. Cov khoom dov kuj tseem siv tau rau ob qho tib si sab hauv thiab sab nraud - koj quav lawv rau lwm txoj kev.
Ob txoj kev los tiv thaiv ib lub ces kaum: ib daim ntawv ruaj khov uas muaj cov khoom siv khi, thiab ib daim kab xev uas muaj dov nyob hauv cov khoom sib xyaw. Daim duab kos xwb, tsis yog daim duab khoom. Ob txoj kev los tiv thaiv ib lub ces kaum: ib daim ntawv ruaj khov uas muaj cov khoom siv khi, thiab ib daim kab xev uas muaj dov nyob hauv cov khoom sib xyaw. Daim duab kos xwb, tsis yog daim duab khoom.
Yog li ntawd, ua ntej piv cov ntaub ntawv, txiav txim siab seb hom twg haum rau koj txoj haujlwm: ib daim ntawv ruaj khov uas koj xav tau qhov ncaj tshaj plaws thiab tiv taus kev cuam tshuam thiab zoo siab khi, lossis daim kab xev dov uas koj xav npog sab hauv thiab sab nraud cov ces kaum nrog ib yam khoom thiab tiv thaiv cov khoom txuas kom tsis txhob nyob rau hauv qhov tiav.
Ib saib ntawm peb tsev neeg khoom siv
| Tsev neeg | Nws yog dab tsi | Qhov chaw uas nws khwv tau nws cov nyiaj khaws cia | Yuav ua li cas nws thiaj li ua tsis tiav | Tus nqi txoj haujlwm |
|---|---|---|---|---|
| Hlau | Cov hlau galvanized los yog txhuas txhawb nqa, ua ke nrog ib txheej ntsej muag | Cov ces kaum sab nraud uas yuav tsum nyob ncaj thiab raug tsoo; cov kev tsheb coob | Yog tias lub txheej raug tawg thiab tseem muaj dej noo; yuav muaj qhov lwj thaum raug ntaus hnyav; ntug yuav tawg thiab ntsia hlau tawg thaum khi. | Tus nqi khoom siv siab dua; daim ntawv dov txiav cov khib nyiab vim tias koj txiav tsuas yog yam koj xav tau |
| PVC | Cov ntaub ntawv PVC extruded, feem ntau nrog cov tis mesh rau cov keying sib xyaw | Cov chaw ntub dej thiab noo noo; stucco, plaster thiab cov txheej txheem stucco hloov kho; ua haujlwm ntau raws li kev siv nyiaj txiag | Tsis tshua muaj kev cuam tshuam dua li hlau; tuaj yeem deform nyob rau hauv qhov kub tas mus li | Piav qhia tias raug nqi tsawg dua li cov hlau lossis fiberglass hlaws dai |
| Lub ntsej muag ntawv | Hlau los yog lub plawv khov kho uas txuas rau ntawm daim ntawv, muab tso rau hauv cov khoom sib xyaw | Cov ces kaum sab hauv thiab cov chav ua tiav tseem ceeb; txhua qhov chaw koj xav tshem tawm cov khoom siv txuas | Kev xaiv ntawv yog qhov tsis zoo uas muaj dej noo nyob ntev; tsis yog qhov xaiv rau kev cuam tshuam hnyav | Tus nqi khoom siv raug them los ntawm kev siv cov khoom sib xyaw tsawg dua thiab ib qho kev xeem tiav tsawg dua |
Kev txhawb nqa ntawm lub ces kaum hlau: thaum txoj kab yuav tsum nyob ncaj
Cov khoom siv hlau ces kaum sib xyaw cov hlau txhawb nqa nrog ib txheej sab nraud. Ntawm no koj yuav tsum paub ib yam ua ntej:lub ntsej muag txheej muaj nyob rau hauv ntau dua ib qho version.Cov ntaub ntawv sau txog nws tus kheej piav qhia txog nws ua ntawv thiab ua fiberglass mesh, thiab ob qho tib si muag. Lub ntsej muag tsis yog cosmetic - nws txiav txim siab seb cov khoom siv sib koom ua ke li cas, nws cov plaub ntawm ntug thiab nws ua li cas hauv qab xuab zeb. Paub meej tias koj tau txais tus nqi version twg ua ntej koj xaj.
Cov hlau uas koj yuav tau yog qhov ncaj thiab tiv taus kev cuam tshuam. Cov ntaub ntawv hais txog cov khoom no qhuas nws vim nws muaj zog heev thiab ua tau zoo rau kev ua kom cov ces kaum ntawm phab ntsa ncaj thiab tiv thaiv kev hloov pauv, kev nkhaus thiab kev puas tsuaj los ntawm kev sib tsoo. Yog tias lub ces kaum ntawd nyob hauv txoj kev hauv tsev, ntaiv, chav rau tsheb lossis txhua qhov chaw uas cov laub, cov cuab yeej thiab cov rooj tog yuav pom nws, qhov ntawd yog lub tsev uas koj yuav.
Nws ua tsis tau zoo li cas los kuj yog ib yam tshwj xeeb. Cov khoom siv hlau ces kaum tau piav qhia tias siv rau ob qho tib si sab hauv thiab sab nraud, tab sis cov hlau nws tus kheej tsuas yog ruaj khov li nws cov txheej: tawg cov txheej zinc thaum txiav lossis teeb tsa, ntxiv cov dej noo, thiab xeb yuav thaum kawg ntws los ntawm cov xim. Cov kev cuam tshuam hnyav thiab sib xyaw ua ke tuaj yeem ua rau lub qhov ntswg hlau puas. Thiab qhov twg cov khoom raug khi los ntawm tshuab, qhov tawg ntawm cov khoom siv khi thiab cov ntsia hlau tawg uas tau piav qhia saum toj no tseem nyob ntawm lub rooj.
Daim ntawv dov teb qee qhov no: txiav tsuas yog qhov ntev koj xav tau, quav rau ntawm kab nruab nrab, muab tso rau hauv cov khoom sib xyaw, thiab tsis txhob sib tshooj ntawm ces kaum - kev sib tshooj ua rau puas tsuaj rau qhov tiaj tus.
Yog xav paub ntxiv txog daim kab xev hlau ces kaum uas muaj cov lus qhia thiab cov ntaub ntawv ntim khoom, mus saibnplooj ntawv khoom siv daim kab xev hlau ces kaum.
PVC ces kaum hlaws: thaum cov dej noo tsis pub hlau nkag
Lub ces kaum PVC muaj los tshem tawm xeb ntawm qhov sib npaug tag nrho. Nws yog xeb-resistant thiab noo noo-resistant, thiab nws yooj yim rau txiav thiab teeb tsa. Nws kuj tseem nyob rau hauv qhov chaw rau stucco, plaster thiab hloov kho stucco systems, tsis yog drywall xwb - ib qho tseem ceeb kom paub yog tias koj qhov project npog ob qho tib si phab ntsa tiav.
Qhov kev pauv pauv yog qhov cuam tshuam. PVC tsis khov dua li hlau, yog li ntawd qhov kev sib tsoo uas yuav ua rau hlau puas tsuaj yuav hloov pauv lossis txiav nws, thiab qhov profile muab kev txhawb nqa tsawg dua rau lub qhov ntswg ces kaum. Qhov kub tas mus li yog lwm qhov kev xav txog: PVC yog thermoplastic, yog li nws yuav mos thiab txav mus rau qhov twg hlau yuav tsis. Qhov ntawd yog ib lo lus nug tsim qauv ntawm lub hnub ci atriums thiab nyob ib puag ncig cov chaw kub, thiab ib lo lus nug code ntawm kev sib dhos uas xav tau cov khoom tsis kub hnyiab - tsis yog qhov twg tsab xov xwm no tuaj yeem teb rau koj qhov kev txiav txim siab.
Qhov uas PVC yeej yog kev sib xyaw ua ke ntawm thaj chaw ntub dej thiab nyiaj txiag. Cov ntaub ntawv tib yam piav qhia tias nws pheej yig dua li cov hlau lossis fiberglass hlaws thaum tseem tsis xeb thiab tsis ntub dej, thiab hu nws ua qhov kev xaiv ntse rau cov peev nyiaj rau cov haujlwm loj hauv tsev thiab kev lag luam. Ntawm txoj haujlwm nrog ntau pua lub ces kaum hauv chav dej, qab nthab thiab thaj chaw pabcuam, qhov kev suav lej ntawd tseem ceeb dua li qhov ntsuas kev cuam tshuam ntawm ib lub ces kaum.
Ntawm cov khoom sib dhos uas muaj hluav taws, tsis txhob xav tias. Seb cov khoom siv uas yooj yim hlawv tau puas raug tso cai nyob ntawm tus qauv tsim ntawm kev sib dhos thiab lub koom haum uas muaj cai, yog li ntawd, xav txog nws ua ib lo lus nug rau qhov kev qhia tshwj xeeb ntawm qhov project, tsis yog qhov kev nyiam ntawm cov khoom siv.
Saib qhovPVC ces kaum hlaws dai nplooj ntawv khoomrau cov profiles muaj.
Lub hlaws dai ces kaum uas muaj daim ntawv ntsej muag: thaum qhov tiav los ua ntej
Cov hlaws dai ces kaum uas muaj daim ntawv ces txuas lub plawv hlau uas muaj zog heev rau ntawm daim ntawv uas tawv. Nws lub ntsiab lus tseem ceeb yog qhov nws ua tau yam tsis muaj: tsis muaj ntsia hlau, tsis muaj ntsia hlau, tsis muaj staples, tsis muaj crimps. Nws mus rau hauv cov khoom sib txuas, thiab qhov ntawd yog tag nrho txoj kev kho.
Txhua yam ntxiv yog los ntawm qhov ntawd. Yog tsis muaj tus ntsia hlau tsav mus rau hauv tus ncej, tsis muaj tus ntsia hlau uas yuav tsum tau thawb tawm thaum tus ncej qhuav thiab txav mus - uas yog lub tshuab uas cov ntaub ntawv khoom taw qhia thaum nws piav qhia txog kev tshem tawm cov kab nrib pleb ces kaum, cov ntug tawg thiab cov ntsia hlau tawg. Nws kuj txo qhov kev siv cov khoom sib koom ua ke thiab tshem tawm ib qho dhau ntawm kev ua tiav, thiab nws yuav tsis raug puas tsuaj los ntawm kev xuab zeb. Rau ib pab neeg, kev txuag nyiaj yog nyob rau hauv kev ua haujlwm thiab cov khoom siv, tsis yog nyob rau hauv lub hlaws xwb.
Qhov kev sib cav tiav yog qhov tseeb tab sis nqaim dua li kev lag luam feem ntau qhia. Cov hlaws dai ntsej muag ntawv tau piav qhia tias muaj ntau qhov dav sib txawv kom haum rau feem ntau ntawm cov ntawv thov phab ntsa, uas tseem ceeb vim tias lub flange yuav tsum tau feather rau hauv phab ntsa yam tsis tawm hauv lub ridges. Qhov nws tsis ua yog ua kom lub ces kaum tsis cuam tshuam: lub plawv yog hlau lossis khov kho, tab sis tag nrho cov sib dhos tseem yog cov khoom sib xyaw nyias nyias, thiab nws tsis yog cov lus teb zoo rau lub ces kaum uas yuav raug ntaus.
Qhov twg yuav tsum ceev faj: noo noo tas li. Cov ntaub ntawv uas siv rau ntawm daim ntawv yog cov khoom siv uas nqus tau dej, yog li ntawd, PVC yog qhov zoo tshaj plaws rau cov chaw ntub dej tas li.
Saib qhovnplooj ntawv khoom hlaws dai ces kaum uas muaj daim ntawv ntsej muagrau qhov dav thiab cov profiles.
Plaub daim ntawv profiles - thiab sab hauv ces kaum, tawm-lub kaum sab xis thiab raw kawg
Qhov no yog qhov uas feem ntau cov neeg qhia tso tseg thiab hais tias "bullnose yog rau cov ces kaum puag ncig." Plaub qhov profile daws plaub qhov teeb meem sib txawv.
- 1. Sab nraud ces kaum hlawsyog rau 90 ° sab nraud ces kaum, thiab piav qhia tias tsim nyog rau kev siv rau ntawm txhua qhov tuab ntawm phab ntsa.
- 2. Sab hauv lub ces kaum hlawsyog tsim los rau sab hauv 90 ° qauv, tsim lub kaum sab xis tiag tiag, kuj tseem nyob rau txhua qhov tuab ntawm phab ntsa.
- 3.J duabua tiav cov qhov rooj txee dai khaub ncaws ob txheej, khiav hauv qab txhua lub qhov rooj thiab qhov rai, thiab kaw cov qhov kawg ntawm phab ntsa drywall. Hauv lwm lo lus, nws tsis yog cov khoom ces kaum kiag li - nws yog cov khoom kaw ntug, thiab nws yog cov lus teb rau "dab tsi ua tiav cov ntug raw qhov twg lub rooj tsavxwm tsuas yog nres."
- 4. Lub qhov ntswg lojtsim ib lub ces kaum sab nraud du thiab yooj yim rau kev teeb tsa.
Cov ces kaum sab hauv tsim nyog tau txais kev saib xyuas ntau dua li lawv tau txais.Feem ntau cov ces kaum tsuas yog hais txog cov ces kaum sab nraud xwb, uas yog qhov txawv, vim tias cov ces kaum sab hauv tawg vim tib qho laj thawj uas cov ces kaum sab nraud tawg. Koj muaj ob txoj kev tsim nyog: ib qho profile sab hauv-ces kaum tsim los tuav lub kaum sab hauv 90° tiag tiag, lossis ib daim kab xev dov uas quav rau lwm txoj kev, uas tuav cov ces kaum sab hauv thiab sab nraud nrog tib yam khoom.
Cov ces kaum tsis sib xws yog qhov teeb meem sib txawv.Cov qhov rais loj, cov phab ntsa uas nthuav tawm thiab txhua yam uas tsis yog 90° tiag tiag xav tau ib daim profile uas tuaj yeem khoov lossis tais tawm ntawm nws txoj kab nruab nrab. Daim kab xev dov yog qhov zam txim ntau dua li daim profile ruaj khov, tab sis cov khoom muab yuav tuav tau deb npaum li cas ntawm lub kaum sab xis yog ib lo lus nug rau tus neeg muag khoom, tsis yog kev kwv yees.
Bullnose yog ib lub kaw lus, tsis yog ib daim kab xev.Lub ces kaum puag ncig hloov pauv qhov uas lub skirting thiab lub qhov rooj casing ntsib phab ntsa, thiab qhov twg peb lub dav hlau sib ntsib - lub ces kaum sab saud ntawm lub qhov rooj, piv txwv li - lub vojvoog yuav tsum tau kaw nrog ib daim hloov pauv sib xws es tsis txhob butted thiab puv. Txiav txim siab lub vojvoog thiab cov ntsiab lus trim ua ke, ua ntej lub hlaws dai nyob rau ntawm phab ntsa.
Cov tsos mob qhia koj li cas
| Cov tsos mob | Nws feem ntau txhais li cas | Yuav hloov dab tsi thaum lub sijhawm teev lus qhia |
|---|---|---|
| Cov xim av daj los yog xim av daj tawm ntawm lub ces kaum | Txheej txheej puas lawm, lossis cov dej noo nyob ntev mus txog hlau | Siv PVC rau hauv cov chaw ntub dej; xyuas kom meej tias cov hlau tau muab ntim rau hauv cov khoom sib xyaw |
| Kab plaub hau tawg khiav raws lub flange | Cov khoom siv txuas lossis cov qauv ruaj khov txav mus nrog lub thav duab | Tsiv mus rau qhov kev daws teeb meem uas muaj daim kab xev, tsis muaj daim ntawv nplaum |
| Cov taub hau txuas qhia txog qhov kawg | Cov khoom siv txuas ua haujlwm xoob thaum lub thav duab qhuav thiab ntsws | Ib yam li saum toj no - tshem tawm cov khoom siv khi ntawm qhov sib npaug |
| Lub qhov ntswg ces kaum puas los yog deformed | Kev cuam tshuam ntau tshaj qhov profile txhawb nqa | Qhia meej hlau, lossis ib daim profile nrog lub qhov ntswg uas tiv taus kev cuam tshuam |
| Ib txoj kab ncaj nraim uas qhia los ntawm cov xim hauv lub teeb ci ntsa iab | Lub ntug ntawm lub hlaws tsis tau feathered tawm | Cov ntawv-ntsej muag profiles yuam sij rau hauv compound thiab feather ntau zam txim |
| Lub ces kaum puag ncig tsis sib ntsib lub skirting | Lub vojvoog xaiv tsis muaj cov ntsiab lus ntawm kev kho kom zoo nkauj | Ua ntej yuav txiav txim, xyuas kom meej tias lub vojvoog thiab cov khoom hloov pauv ua ke |
Nco ntsoov tias muaj dab tsi tsis nyob hauv daim ntawv teev lus ntawd: tsis muaj tus nqi, tsis muaj lub neej ua haujlwm, tsis muaj feem pua. Cov lej ntawd tau nthuav dav hauv cov blogs ntawm cov neeg muag khoom thiab tsis tshua muaj leej twg taug qab tau. Yam koj ua tau yog lub tshuab.
Qhov twg ASTM C1047 haum rau
Yog tias ib qho lus qhia tshwj xeeb hu rau tus qauv rau cov khoom siv drywall trim, nws yuav luag ib txwm yogASTM C1047, tam sim no luam tawm ua C1047-19,Cov Qauv Txheem rau Cov Khoom Siv rau Gypsum Wallboard thiab Gypsum Veneer BaseNws npog cov khoom siv siv nrog gypsum wallboard thiab gypsum veneer base assemblies los tiv thaiv cov npoo thiab cov ces kaum thiab los muab cov yam ntxwv architectural.
Ob qho ntawm nws cov khoom siv uas yuav tsum tau paub, vim lawv qhia koj tias yuav nug tus neeg muag khoom li cas:
- 1. Cov khoom siv hlau — thiab cov khoom siv hlau ntawm cov khoom siv hlau thiab ntawv — yuav tsum tau tsim los ntawm cov hlau dov txias uas tau coated nrog zinc ua ntej siv cov txheej txheem txheej.
- 2. Cov khoom siv ntawv ntawm cov khoom siv hlau thiab ntawv yuav tsum ua tau raws li qhov yuav tsum tau ua rau tuab, lub zog tensile, qhov ruaj khov, thiab kev sib txuas ntawm daim kab xev sib txuas rau cov khoom sib txuas.
Tus qauv kuj tseem yuav tsum tau cov khoom siv kom tsis txhob muaj qhov ntswj lossis camber uas yuav tiv thaiv lawv txoj kev siv, thiab tsis muaj burrs thiab cov npoo ntse.
Nws ua dab tsitsis yogua yog teem tus nqi, lub neej ua haujlwm lossis txoj kev teeb tsa, thiab nws tsis qhia koj tias yuav xaiv cov khoom siv twg. Nws yog cov lus qhia yuav khoom: nws muab qee yam rau koj kom thov daim ntawv pov thawj. Cov nqi kab lus tseeb nyob hauv tus qauv nws tus kheej, tsis yog hauv cov lus luv luv - tau txais cov ntawv nyeem tag nrho thiab cov lus qhia ntawm qhov project ib sab.ASTM C1047-19 ntawm astm.org
Yuav tsum paub meej dab tsi ua ntej koj xaj khoom
Peb yuav tsis muab cov lej xov tooj rau koj uas peb nrhiav tsis tau. Nov yog yam koj yuav tsum nug:
1. Txheej txheem twg— daim ntawv lossis fiberglass mesh. Ob qho tib si raug muag, thiab lub ntsej muag tsav cov kev sib xyaw ua ke thiab kev xuab zeb.
2. Dav, thiab lub vojvoog yog tias koj siv bullnose, kuaj xyuas nrog rau qhov tuab ntawm phab ntsa thiab cov ntsiab lus ntawm lub skirting uas koj xav kom haum.
3. Cov lus qhia tshwj xeeb thiab txheej txheem hlau— txheej txheej thiab zinc, nrog daim ntawv pov thawj khoom siv es tsis yog daim ntawv thov.
4. Kev sib raug zoo nrog cov tshuaj sib koom ua ke uas koj siv tiag tiag, suav nrog cov tshuaj sib xyaw ua ke yog tias lub sijhawm teem tseg nruj.
5. Seb qhov kev qhia tshwj xeeb ntawm qhov project puas hais txog ASTM C1047lossis xav tau cov khoom siv uas tsis kub hnyiab ntawm txhua qhov kev sib dhos uas ntsuas tau.
6. Ntev thiab ntim khoom, yog tias koj yuav daim kab xev dov - thiab koj xav tias yuav poob ntau npaum li cas rau kev txiav tawm.
Cov lus nug feem ntau
Cov ces kaum sab hauv puas xav tau cov hlaws dai ces kaum?
Yog, thiab lawv tau teev tseg ntau zaus dua li qhov lawv yuav tsum tau ua. Cov ces kaum sab hauv tawg vim tib qho laj thawj uas cov ces kaum sab nraud tawg. Siv cov profile sab hauv-ces kaum uas tsim los tuav lub kaum sab xis 90° lossis daim kab xev dov uas quav rau sab nraud.
Puas siv tau cov hlaws PVC ces kaum hauv cov rooj sib txoos hluav taws?
Tsis yog raws li qhov tau teev tseg. Seb cov khoom siv hluav taws xob puas raug tso cai nyob ntawm tus qauv sib dhos thiab lub koom haum uas muaj cai. Kho nws zoo li cov lus nug txog qhov tshwj xeeb thiab sau ua ntawv ua ntej lub hlaws dai rau ntawm phab ntsa.
Qhov twg tiv taus kev tawg zoo dua, ntsej muag ntawv lossis hlau?
Ua zoo li ntawv, vim muaj ib qho laj thawj tshwj xeeb: nws tau muab tso rau hauv cov khoom sib xyaw uas tsis muaj cov khoom siv kho tshuab, yog li ntawd tsis muaj cov khoom siv uas yuav tsum tau thawb tawm thaum txav lub thav duab. Qhov ntawd daws teeb meem kev tawg ntawm cov khoom siv. Nws tsis ua rau lub ces kaum tiv taus kev cuam tshuam ntau dua - yog tias lub ces kaum yuav raug ntaus, qhov ntawd yog kev txiav txim siab sib cais.
Peb tsev neeg, ob daim ntawv, thiab ib hom kev ua tsis tiav rau txhua tus. Xaiv daim ntawv ua ntej, tom qab ntawd cov khoom siv, tom qab ntawd paub meej tias cov lus qhia tshwj xeeb yog sau ua ntawv.
Chaw Nyob
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