2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-18 12:13
Koj tuaj yeem yuav cov pwm npaj ua rau paving slabs - lossis koj tuaj yeem ua rau koj tus kheej . Qhov laj thawj tsim cov ntsiab lus ntawm koj tus kheej yog qhov tsim ntawm cov vuas tiav thiab cov ntawv lag luam uas muaj muag tsis haum, tus neeg siv lub siab nyiam yog tus kheej heev. Ib qho xav txog dab tsi ntawm lub khw npaj kom muab tam sim ua rau kuv nco kuv tus kheej: kev lag luam yog ib yam nkaus thiab nyob hauv nws qhov kev txiav txim siab.
Hom kev txheeb xyuas
Paving slab pwm yog txoj hauv kev zoo tshaj plaws los ua cov pob zeb tawg rau koj nyiam . Nws tsis tuaj yeem ua yam tsis muaj nws: nws yuav tsis tuaj yeem tso cov txheej txheem nchuav rau ntawm kwj dej - tsim cov vuas, txawm tias nws me me, yuav siv sijhawm ntau. Muaj qee kis thaum qhov tshwj xeeb tawg, faib ua tej daim thiab muab pov tseg, tau pom nyob ze ntawm lwm tus neeg lub tsev, tab sis cov pobzeb tib yam tsis nyob hauv kev tsim cov khw muag khoom, thiab nws xa los ntawm qhov deb yog kim heev. Koj tuaj yeem ua ib lossis ntau daim duab rau lub ntsiab lus no, ua raws qhov rov qab zoo ib yam - thiab tom qab ntawd muab cov ntawv luam ntawm cov khoom tawg uas koj rov tsim dua los tso rau hauv lawv.
Hexagonal fragments nyob rau hauv daim ntawv ntawm honeycomb, squares, "pob txha", duab plaub, rhombuses, qee cov duab ntau zaus yog qhov yooj yim tshaj plaws . Txawm li cas los xij, muaj qee kis thaum daim ntawv no ua haujlwm ua ke ntawm cov ntsiab lus me, muab tso ua ke kom cov txheej txheem ntawm daim duab, txawm hais tias nws taug qab cov qauv sib xws, tab sis zoo li yog qhov qub. Yog tias koj yog tus kws kos duab thiab tus kws tshaj lij tsim qauv, tom qab ntawd koj tuaj yeem siv ntau daim ntawv ntawm tes, uas tso cai rau koj nthuav tawm ntau (ntau pua, txhiab) tus naj npawb ntawm cov khoom tawg los ntawm kev kos lawv thiab kos lawv los ntawm txhais tes. Tom qab ntawd, los ntawm lawv, zoo li kev sib dhos, daim duab uas koj xeeb tub tau sib sau ua ke.
Tab sis qhov xwm txheej no tsis tshua muaj tshwm sim: nrog tib txoj kev ua tiav, ntawm cov cement-xuab zeb cug, koj siv tsis tau cov vuas, tab sis, piv txwv li, lub raj mis lub raj mis xim.
Ntau hom ntawv muaj raws li hauv qab no: 500x500x50 mm, 50x50 cm, 77x77x5 cm, 600x600x60 mm, 1000x300 mm, 30x30 cm, 40x40 cm . Cov vuas ntawm cov ntau thiab tsawg no tau muag hauv tsev tsim khoom lag luam; pwm tuaj yeem tsim los ntawm lawv. Yog tias qhov kev xaiv no tsis yog rau koj, tom qab ntawd los nrog qhov sib txawv. Yog li, hauv kev tsim kho kev lag luam, cov vuas voos voos peb sab yog ib qho tsis tshua muaj: cov ces kaum tuaj yeem tawg tau yooj yim thaum thauj mus los tsis saib xyuas, yog li tsis yog txhua tsob ntoo tsim nws. Nws nyuaj rau nrum cov ntawv loj dua - ib feem nrog qhov loj me me hnyav ntau dua li kaum ob kilograms.
Ntau yam ntawm kev npaj ua paving ntsiab lus tso cai rau koj xaiv cov qauv tsim rau koj lub vaj . Thiab cov qauv rau ua cov vuas tau muab faib ua pawg sib txawv raws li hom khoom, txheej txheem teeb tsa thiab hom khoom. Cov pwm tau ua rau pob zeb - cov cement ua kom tawv lossis ua pob zeb tsuas yog pob zeb dag xwb.
Txawm hais tias siv cov yas yas thiab lwm yam tshuaj ntxiv ua rau lub pob zeb khov dua-tiv taus, nws tsis quav ntsej qhov tseeb no.
Cov ntaub ntawv (kho kom raug)
Yas yog cov khoom pheej yig tshaj thiab nyiam tshaj plaws … Ib qho yooj yim, tsis hloov pauv yas txaus yog yooj yim los pov rau ntawm koj tus kheej - txawm tias los ntawm PET lub raj mis qub, piv txwv li, los ntawm cov roj zaub lossis dej qab zib xws li txiv qaub. Cov yas yas - hauv kev sib piv nrog cov silicone - tsis yoog txaus, txawm li cas los xij, silicone yooj yim rau ncab thiab khoov, uas yog vim li cas cov nplais tiaj tus yuav siv qhov tsis xwm yeem, vim li ntawd, cov khoom tawg yuav tsis haum rau hauv qhov chaw faib rau lawv. Nws yog xim hlau - ruaj khov tshaj plaws. Cov pwm ua los ntawm 4mm hlau tuaj yeem yooj yim welded los ntawm nws cov kab. Tab sis qhov ruaj khov tshaj plaws yog los ntawm L-zoo li tus profile (kaum) lossis cov yeeb nkab ua haujlwm: nws yuav tsis khoov, thiab nws yooj yim tso cov pobzeb tawg los ntawm nws, tau ntub nws sab hauv ua ntej nchuav pob zeb.
Roj hmab moulds, zoo li cov pwm silicone, tom qab siv rau hauv kev pov tseg, ntau pua lossis ntau dua ntawm cov khoom tawg ib yam tuaj yeem hnav tawm uas lawv yuav tsum tau hloov nrog cov tshiab. Feem ntau, cov kua thiab tawv cement-sand mortar yog qhov nruab nrab txhuam, thiab dhau sijhawm lawv yuav hnav sai dua li cov hlau. Tshwj xeeb tshaj yog thaum tshem cov vuas luaj ua cov roj hmab, yas lossis silicone, pwm poob qee yam ntawm nws tus kheej. Roj hmab, yas thiab silicone, ua cov khoom siv polymer, tawg, qhuav tawm lub sijhawm, thiab tau muab tshem tawm nrog cov txhuam hniav, uas muaj cov cement-sand mortar . Dua li ntawm qhov lubrication ntawm cov pwm nto, ua vaj tse lossis xis mas, tom qab tawv, tsim cov nplaum rau cov polymers.
Cov Lus Qhia Xaiv
Cov ntawv npaj ua tiav kuj tseem tuaj yeem yuav tom khw muag khoom kho vajtse lossis kho vajtse. Raws li txoj cai, lawv tau tsim los ntawm polymers - kev nyiam ua lag luam ntawm cov tuam txhab yog thawj qhov chaw, thiab kev tsim cov khoom lag luam nrog kev pabcuam lub neej kaum xyoo yog kev lag luam tsis muaj txiaj ntsig. Nws tsis yooj yim sua kom qhia ib yam dab tsi hauv kev xaiv cov ntawv tsim khoom - tshwj tsis yog tias, piv txwv li, tsis yog hlau, tab sis cov ntawv txhuas tuaj yeem pom ntawm muag. Aluminium alloy muaj lub zog ntau dua li yas, tab sis nws kuj raug nqi ntau dua.
Nws yog qhov zoo dua los yuav ib lub ces kaum lossis cov yeeb nkab ua haujlwm - yuav tsum tau ua los ntawm cov tuab tuab -phab ntsa hlau - thiab ua daim ntawv koj tus kheej, los ntawm txoj hauv kev txuas, qhov no yog qhov kev xaiv tsim nyog tshaj plaws rau kev tsim khoom
Cov hlau hlau tsis ntshai raug tsoo los ntawm sab nraub qaum, nws yuav tsis khoov txawm tias tom qab ntau txhiab tus pobzeb npaj tau ua tiav, txij li cov ces kaum tsim lub hauv paus ruaj khov.
Yuav ua li cas koj tus kheej?
Nws tsis nyuaj ua cov hlau pwm rau lub duab plaub, pob zeb zoo li tus, peb tog, hauv daim ntawv ntawm cov pobzeb niaj hnub . Qhov sib npaug (qhov khoob) raug txiav tawm siv lub zom, tsau nrog clamps thiab txuas ua ke ntawm qhov kawg. Ua ntej tack vuam, tsis txhob hnov qab ntsuas lub kaum sab xis kom raug siv tus kws txiav plaub hau, ib lub xwmfab thiab ntsuas qhov ntsuas: kev tsim qauv yuav tsum yog qhov ua tau zoo. Txij li thaum nws nyuaj rau nrum cov duab zoo li no - ntawm cov pobzeb uas twb muaj lawm - los ntawm cov hlau tsis siv lub tshuab ua kom lub qhov cub tawg, qee cov kws ua haujlwm hauv tsev yaj aluminium seem: txhuas yaj ntawm 660 degrees, thiab hlau xav tau qhov kub siab tshaj 1500, qhov sib txawv yog qhov pom tau heev.
Yog tias ua pwm los ntawm txhuas lossis hlau tsis ua rau koj txaus siab, tom qab ntawd yas yas koj tus kheej hauv tsev yog txoj haujlwm yooj yim dua. Ib daim ntawv hauv tsev uas tsim los ntawm cov khoom seem tsis xav tau qhov kub siab dhau: qee zaum nws txaus rau yaj, ua kom cov yas mos dua thiab siv lub tshuab ziab plaub hau tsim uas tsim qhov kub txog 350 degrees. Tsis tas li, cov neeg siv tab tom sim ua daim ntawv ntoo.
Ua los ntawm ntoo
Txoj hauv kev yooj yim tshaj plaws los ua cov ntoo ntoo yog ua cov hauv qab no
- Raws li kev kos duab ntawm cov duab no, txiav tawm slats lossis tuav … Yog tias koj muaj lub router, cov ntoo uas tsim nyog tuaj yeem muab txiav los ntawm yuav luag txhua qhov thaiv tsis zoo lossis txawm tias ib feem ntawm ceg ntoo ntawm tsob ntoo uas cov tawv ntoo tau raug tshem tawm.
- Teem lawv kom koj tau txais kev tsim kho zoo ib yam li daim duab .
- Kuaj txhua yam ua ke . Txhawm rau nrawm nrog tus kheej tapping ntsia hlau, cov ntu tau npaj ua ntej hauv qhov chaw raug nrog qhov laum uas yog 1.5 hli me dua txoj kab uas hla ntau dua li qhov laum nws tus kheej. Yog tias koj tsis xyaum, ces cov ntsia hlau yuav qhib cov ntoo, lawv yuav tawg tam sim, thiab cov duab yuav tsis nruj heev.
- Npog cov pwm uas tshwm nrog ob peb lub tsho tiv no ntawm cov kua roj vanish . Qhov no yuav tiv thaiv tsob ntoo los ntawm kev nkag mus rau noo noo - thiab tom qab o. Piv txwv ntawm qhov no yog parquet, varnished nrog epoxy lossis lwm yam dej-resistant puag.
Nco ntsoov tias cov cement thiab cov xuab zeb yog cov khoom siv txhuam hniav. Tom qab ob peb lub kaum kev pov tseg, txhua lub pwm yuav tsum tau muab ntxuav thiab pleev xim dua kom thiaj li tsis suav cov ntoo lwj.
Ua los ntawm cov yas
Txhawm rau ua pwm los ntawm yas, ua qee yam ua
- Sib tsoo cov khoom siv (piv txwv li, PET los ntawm fwj).
- Muab nws tso rau hauv ib lub nkoj , piv txwv li: lub lauj kaub qub los yog lub lauj kaub tais diav. Siv hluav taws me me lossis tshuab ziab khaub ncaws kom cov yas mos muag. Feem ntau cov yas dhau los ua khov khov ntawm 200 degrees, thiab ntawm 250-300 - yuav luag kua. Tseem ceeb: tsis txhob tso hluav taws, piv txwv li, yog tias koj siv polyethylene lossis polystyrene rau casting: lawv hlawv ntawm lawv tus kheej. PVC, PET thiab polypropylene, ntawm qhov tsis sib xws, tawm mus sab nraum cov nplaim taws - tsis tas yuav ntshai tias lawv yuav hlawv tawm. Tsis txhob siv zog tshaj 300 degrees - yas yuav haus luam yeeb thiab char, koj yuav tsis tau txais ib yam dab tsi zoo los ntawm nws.
- Muab cov vuas tso rau ntawm qhov chaw tiaj tus , piv txwv li: cov ntawv hlau lossis cov pob zeb txhawb ntawm thaj chaw txaus. Ncuav cov yas ua kua rau nws. Dej cov nplais npliag kom nrawm nrog txheej tuab. Cov pwm tuab dua, muaj zog dua, tsis txhob ntim cov yas yaj. Zoo dua los tsim cov tuab tuab hauv qab thiab sab - ob peb centimeters.
- Tos rau daim ntawv kom khov … Nws yuav siv sijhawm ntev txog ob peb teev, nyob ntawm qhov ntim cov yas. Lub hauv paus txheej tuab tuab ua rau tawv tawv rau lub sijhawm ntev, txij li cov cua sov ua kom sov ntawm cov yas yog qhov tsawg heev, piv rau cov hlau, vim qhov ntom ntom qis raws li txoj cai ntawm physics. Ua kom zoo dua qub los ntawm kev txhuam nws saum npoo los ntawm sab nraub qaum (sab nraum).
Tsis txhob tshem cov pobzeb kom txog thaum cov pwm tau qib nrog nws, txheeb xyuas qhov tiaj ntawm cov pwm nrog kua lossis laser ntsuas ntsuas. Qhov tsis sib xws me ntsis yuav ua rau txoj kab nkhaus ntawm cov nplais cam khwb cia, nws qhov tsis zoo, qhov no yog qhov tshwj xeeb tshaj yog thaum koj tau tsim koj tus kheej tsim khoom.
Los ntawm plaster
Gypsum zoo, tsis muaj cov tshuaj ntxiv ua rau nws lub zog ruaj khov - alabaster, khov yuav luag tam sim ntawd, yog li koj yuav tsum tau ua sai. Txawm li cas los xij, rau cov kws txawj tsis muaj txuj ci, muaj maj mam ua kom tawv tawv - piv txwv li, hauv qab Habez hom, nws yog tsim rau cov neeg plasterers uas tsis quav ntsej txog kev nrawm, tab sis kev sib npaug ntawm phab ntsa npog, qhov zoo tagnrho. Hloov chaw li ob peb feeb, nws yuav siv ob peb teev los ua kom tiav.
- Dissolve lub plaster ntawm Paris nrog dej . Muab cov vuas tso rau ntawm daim yas lossis hlau, kab rov tav zoo kawg nkaus.
- Ua ntej lubricate cov pobzeb tawg , yog li ntawd cov gypsum tsis lo rau saum npoo thaum ua kom khov.
- Ncuav tawm cov plaster thiab tos kom txog thaum nws yog ib nrab solidified.
- Tau pom tias nws tau pib teeb tsa, ua kom cov phab ntsa qis (sab nraub qaum) ntawm lub ntsej muag yav tom ntej siv trowel los yog spatula. Sim ua kom muaj cov tuab tuab - nrog phab ntsa 5 cm lossis tuab dua. Ncaj nws kab rov tav siv lub laser lossis npuas ntsuas ntsuas.
- Tos rau daim ntawv kom khov thiab ua tib zoo, siv, piv txwv li, roj hmab mallet (tsis yog mallet thiab tsis zoo ib yam), rub tawm cov nplais.
Qhov tsis zoo ntawm daim ntawv plaster yog qhov tsis taus, qhov hnyav.
Silicone
Cov silicone tau yaj nrog rab phom cua kub. Cov pwm silicone tau ua raws li tau piav qhia hauv qab no.
- Tau tuav cov khoom qub silicone (siv lawv cov ntaub ntawv xov tooj ntawm tes, txiav cov kav dej lossis lub qhov dej xau, thiab lwm yam).
- Tso lawv tawm ntawm cov nplais npliag - thiab yaj siv lub tshuab ziab plaub tsev.
- Txuas ntxiv siv cov silicone los ntawm kev yaj nws … Nws yog poured txheej los ntawm txheej. Nws yog ib qho tseem ceeb uas yuav tsum tau siv lub tshuab ziab plaub hau kom muaj zog. Phab ntsa tuab - txog li ob peb centimeters.
- Tau ua tiav daim ntawv thov ntawm qhov tsim nyog ntawm silicone , nres cua sov thiab tos kom txog thaum daim ntawv ua kom khov. Hloov kho nws los ntawm kev txiav tawm qhov protrusions los ntawm phab ntsa nraub qaum uas tiv thaiv nws los ntawm kev dag ncaj nraim ntawm lub rooj.
Secondary silicone, zoo li ib yam yas, yog qhov zoo dua li uas tau tsim los ntawm cov khoom siv roj av. Tab sis nws cov yam ntxwv txaus rau cov pwm dhau los ntau pua ntawm cov khoom pov tseg los ntawm nws tus kheej, tsis tas yuav tawg lossis ua rau lub cev tsis muaj zog thiab ua tau zoo.
Polyurethane
Qhuav polyurethane ib yam nkaus li koj yaj PET thiab silicone. Siv lub tshuab ziab khaub ncaws thiab cov txheej txheem tib yam rau ua kom mos thiab siv cov yas. Polyurethane kuj yog yas, koj tuaj yeem siv cov roj hmab ua npuas dej (polyurethane ua npuas ncauj).
Txawm li cas los xij, ua nrog ceev faj: nws yuav tsum tsis txhob tua hluav taws. Ua kom tiav cov txiaj ntsig zoo rau lub hauv paus tiaj tiaj nyob sab nraud.
Yuav ua li cas thiab yuav ua li cas lubricate?
Cov roj nplua nyeem yuav tsum tsis txhawb kev tsim cov npuas . Nws muaj peev xwm ua kom cov kua nplaum tsuas yog muaj ib nrab khov ua ke, uas tsis dhau los ua kua ntawm +30. Nws tuaj yeem yog roj, lithol, roj graphite thiab lwm yam khoom siv khov, uas, txhawm rau ua kua, yuav tsum tau ua kom sov rau lub xeev kub. Cov yeeb yaj kiab ua kua - zaub, tshuab, roj ua lag luam, tshuab ua roj - nkag mus rau hauv cov qhob nchuav los yog cov cement, ua cov tee hauv nws cov tuab, uas, sib zog dua li dej, ntab saum. Koj yuav tsis tau txais cov roj nplua nyeem zoo - tag nrho cov roj yuav ntab, nyob rau sab saud ntawm cov pobzeb raug pov, lossis ua rau nws tuab, txo nws lub zog, thiab nplaum, uas yog qhov tsis xav tau thaum tshem cov khov khov, tseem tsim.
Ib txheej nyias ntawm cov roj tau siv rau sab hauv phab ntsa ntawm pwm ua ntej grouting lossis qhob raug nchuav. Tom qab ntawd cov pwm tau ntim nrog cov khoom siv hauv tsev yooj yim. Tom qab ib hnub, cov pobzeb tawv tawg tuaj yeem raug tshem tawm.
Ua ntej koj tawm ntawm cov pwm nrog cov khoom siv hauv tsev kom tawv, siv kev co lossis txav ntawm spatula txhawm rau txhawm rau tshem tawm tag nrho cov huab cua ua npuas los ntawm cov cement lossis pob zeb ua ke: lawv txo lub zog ntawm cov nplais - porosity tsis xav tau ntawm no.
Yuav siv nws li cas?
Ncuav cov tshuaj khib rau hauv cov pwm uas nyuam qhuav tau stenciled, koj yuav tsum muaj qhov ua tau zoo. Qhov no yog cov qhob lossis cov cement-sand mortar ntawm lub npe tsis qis dua M400 . Nws daim ntawv qhia - 1 feem ntawm cov cement rau 2-4 ntu ntawm cov xuab zeb . Nco ntsoov siv lub yas yas - nws tsis tso dej kom ntub thaum lub caij nplooj zeeg: nrog qhov pib ntawm te, nws khov thiab los kua muag cov khoom siv hauv tsev. Raws li GOST, cov vuas zoo tiag tiag tau ua rau tsawg kawg 35 lub caij ntuj no - zoo li cov cib, cov pa roj thiab cov qhob qhob, lwm yam khoom siv rau cov tuam tsev peev thiab cov chaw . Koj tuaj yeem yuav cov yas yas ntawm txhua lub tsev tsim khoom lag luam. Koj tuaj yeem siv Soviet GOST cov qauv rau (hlau) cov khoom siv ua vaj tse ua lub hauv paus - txheeb xyuas nrog cov qauv: cov pob zeb rau ntawm txoj kev taug kev thiab kev nkag mus rau txoj kev yav dhau los tau pov rau lawv.
Nws yog qhov yuav tsum tau siv cov ntawv yam tsis muaj qhov hnyav ntawm qhov kev cog lus / nchuav cov khoom siv hauv tsev. Cov mos mos mos tuaj yeem nyem rau hauv qhov hnyav dhau. Txhawm rau tiv thaiv nws los ntawm kev khoov, tso lub ntsej muag ua ntej, piv txwv li, nruab nrab ntawm cov ntoo los yog cov ntoo tuab, nruab nrab ntawm cov cib uas txhawb nws cov ntsiab lus tseem ceeb tshaj plaws. Aluminium thiab hlau pwm, raws li txoj cai, tsis xav tau qhov kev ua phem thiab kev ua phem: lawv nyuaj heev.
Tib yam tuaj yeem hais tau rau tawv yas lossis plaster .… Yog tias koj tso cov pwm pov tseg ib leeg - tom qab khawb cov huab cua los ntawm cov qhob lossis cov cement -xuab zeb cug, tom qab ntawd nws thiaj li ua rau nws muaj peev xwm pov tau cov pobzeb zoo ib yam. Kho cov vuas tuaj yeem tshem tawm tau yooj yim los ntawm cov pwm. Nws yog ib qho yooj yim los ntxuav, ntxuav daim ntawv los ntawm cov seem ntawm cov qhob. Yog tias siv cov roj nplua nyeem, tom qab ntawd lawv tus kheej yuav poob qis. Tso cov tiled ntu "qhuav" yuav ua rau txoj haujlwm nyuaj dua. Koj tuaj yeem sim tsau cov kab thiab seem ntawm cov cement tsis siv cov txheej txheem muaj zog. Piv txwv, npog nrog cov roj ua haujlwm thiab tawm mus rau ob peb teev lossis ntau hnub. Tom qab ntawd, kom koj cov txheej txheem tsim khoom tsis sawv ib hnub, koj yuav tsum muaj kaum ob lossis ntau pua ntawm cov ntawv zoo li no ntawm tes: thaum qee qhov "ntub", lwm tus tau siv.
Ebb yog cov nplais nplais npliag npliag, koj tuaj yeem ua rau lawv ntxiv . Piv txwv li, koj tuaj yeem ua kom ntse me ntsis ntawm cov ntse ntawm txhua qhov tawg ntawm lub tshuab zom kom lawv tsis tawg nrog qhov tsis saib xyuas me ntsis. Hauv qhov no, yuav tsum tau ntxiv cov grouting ntawm qhov khoob (seams) tsim tom qab tso tawm yuav tsum tau ua.
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Yas Paving Slabs: Paving Pob Zeb Thiab Lwm Yam Yas Rau Txoj Kev, Ntau Lawm. Yuav Ua Li Cas Koj Tus Kheej? 500x500x50 Thiab Lwm Qhov Ntau Thiab Tsawg
Dab tsi yog yas paving slabs, paving pob zeb thiab lwm yam yas taug kev vuas? Kev tsim cov yas paving slabs tau ua tiav li cas? Peb qhia hauv peb cov ntawv tshaj tawm
Paving Pob Zeb Hauv Lub Tshav Puam Ntawm Lub Tsev Ntiav: Tsim, Zoo Dua Li Cov Vuas? Yuav Ua Li Cas Nteg Nrog Koj Tus Kheej Txhais Tes? Grey Thiab Lwm Yam Zoo Nkauj Paving Pob Zeb. Yuav Ntxuav Li Cas?
Yuav ua li cas paving pob zeb tso rau hauv lub tshav puam ntawm lub tsev ntiag tug? Dab tsi tsim yuav ntxim nyiam tshaj thiab yuav ua li cas paving pob zeb zoo dua li cov vuas zoo tib yam? Yuav ua li cas nteg nws nrog koj txhais tes thiab tom qab ntawd saib xyuas nws? Piv txwv tsim zoo nkauj
Paving Slabs Hauv Lub Tshav Puam Ntawm Lub Tsev Ntiag Tug (33 Duab): Tsim, Hloov Mus Rau Cov Vuas. Yuav Ua Li Cas Nteg Ntau Hom Vuas Luaj Nrog Koj Tus Kheej Tes? Yuav Hloov Kho Li Cas?
Paving slabs hauv lub tshav puam ntawm ib lub tsev ntiav yog nrov. Qhov twg yog qhov zoo dua los xaiv? Kev tsim qauv zoo li cas? Dab tsi yog cov cai tsim thiab cov lus qhia saib xyuas? Dab tsi yog lwm txoj hauv kev rau cov vuas?
