Ua-nws-koj tus kheej lub tshuab xaws yuav feem ntau tsis tas yuav tsum tau ua, qee zaum kho qhov nro ntawm cov xov sab saud thiab qis yog txaus. Feem ntau, kev txhim kho kev ua haujlwm yog cuam tshuam nrog kev ua txhaum ntawm kev ua haujlwm tau pom zoo los ntawm cov chaw tsim khoom, nrog rau kev tsis ua raws li cov cai ntawm kev xaiv cov xov thiab koob. Lub hom phiaj ntawm cov tshuab xaws hauv tsev yog xaws cov ntaub lub teeb, tab sis tsis yog cov ntaub tuab thiab ntxhib. Kuj tseem muaj qhov yuav tsum tau ua rau xaws koob - lawv cov ntse yuav tsum txaus, thiab lub thickness yuav tsum sib haum mus rau thickness ntawm fabrics thiab threads. Lub tshuab xaws yuav tsum tau tu ncua sij hawm thiab lubrication. Kev kho cov tshuab xaws hauv tsev tsis tas yuav yog tias koj ua raws li txhua txoj cai rau lawv txoj haujlwm. Cov xwm txheej no yog qhov tseem ceeb rau kev ua haujlwm tsis zoo thiab ua haujlwm ntev ntawm lub cuab yeej.
Main producers
Kho lub tshuab xaws Podolsk nrog hluav taws xob lossis phau ntawv tsav yog yooj yim ua nrog koj tus kheej tes, vim feem ntau tsuas yog xav tau kev hloov kho me me thiabkev hloov kho. Cov cuab yeej ntawm hom no yog qhov txhim khu kev qha, lub shuttle muaj xws li cov qauv uas txoj hauj lwm yuav tsis mus yuam kev, thiab qhov no tso cai rau koj tsis txhob hloov mus tas li. Cov yam ntxwv ntawm cov tshuab xaws yog xws li tias kev tawg tuaj yeem sib txawv. Nws yog qhov tsawg heev uas koj yuav tsum tau teeb tsa txoj haujlwm raug ntawm rab koob, tab sis nws yog ib qho yooj yim los ua koj tus kheej, uas yog, tsis tas yuav muaj kev pabcuam ntawm tus tswv. Ua ntej pib nrog kev daws teeb meem, nws yog ib qho tsim nyog yuav tsum tshem tawm cov kab ntawm cov roj thiab cov xov lint uas tau sau rau ntawm nws.
Kev ua haujlwm ntawm lub tshuab xaws qee zaum tuaj yeem nrog rau qhov tsis txaus ntseeg xws li hla txoj hlua khi. Qhov tshwm sim no muaj qhov laj thawj yooj yim heev: ib rab koob tsis raug, cov xov thiab rab koob loj yog xaiv tsis raug rau cov ntaub no, cov xov nro yog kho tsis raug, rab koob yog khoov lossis blunt. Ib qho laj thawj ntawm kev hla txoj hlua khi yog qhov tsis ua haujlwm ntawm qhov chaw lossis qhov tsis zoo ntawm lub shuttle mechanism. Lub qhov ntswg shuttle tsis haum lub koob hauv lub sijhawm, lossis qhov sib txawv ntawm rab koob thiab lub qhov ntswg qhov ntswg yog qhov loj heev. Nyob rau hauv cov ntaub ntawv no, ib tug complex kho yuav tsum tau nqa tawm, nws yog tsim nyog los kho qhov kev sib tshuam ntawm rab koob thiab kev khiav hauj lwm ntawm lub shuttle.
tshuab xaws "Seagull"
Kho lub tshuab xaws "Chaika" yog qhov kev tshwm sim nyuaj dua, vim tias qhov tshwj xeeb ntawm chav tsev no yog lub peev xwm los ua zigzag stitches. Txoj hauj lwm no tsuas yog ua tau los ntawm tus kws tsim khoom tsim nyog thiab paub txog. Txawm li cas los xij, koj tuaj yeem ua qee qhov kev teeb tsa thiab kev hloov kho, uas yog, ntawm nws tus kheejkho qhov sib txawv ntawm rab koob thiab lub qhov ntswg ntawm tus nuv. Qhov kev teeb tsa no yog qhov laj thawj tseem ceeb ntawm kev hla cov stitches ntawm tus qauv ntawm lub tshuab xaws. Koj tuaj yeem hloov lub tshuab xaws nrog koj tus kheej txhais tes, nrog rau kho nws qhov nro kom raug.
Lub ntsiab ntawm txhua yam khoom ntawm pawg no yog lub tshuab xaws. Kev ua haujlwm zoo ntawm cov cuab yeej siv, qhov tsis muaj qhov khoob, xov tawg thiab lwm yam teeb meem nyob ntawm qhov chaw ntawm kev sib cuam tshuam nrog lub shuttle thiab qhov xwm txheej ntawm rab koob. Nws nto yuav tsum zoo meej, nws yuav tsum tsis txhob muaj nicks thiab roughness, xeb thiab lwm yam formations. Lub tshuab xaws tsis raug kho yog tias nws muaj nicks lossis xeb. Hauv qhov no, tib txoj kev daws teeb meem yog hloov nws. Qee zaum, nws tuaj yeem hloov lub phaj caij nplooj ntoos hlav, lub luag haujlwm yog los kho cov xov nro.
koob tawg
Kho lub tshuab xaws hauv tsev tej zaum yuav xav tau yog tias lub tshuab ua rau lub koob tawg tas li. Qhov no yog lub cim qhia tias lawv xav tau kev kho. Qee lub sij hawm cov koob tawg vim qhov tseeb tias thaum xaws, tus seamstress rub cov ntaub nrog nws txhais tes. Nws yuav tsum tau ua kom lub siab me ntsis ntawm cov ntaub ntawm lub presser ko taw, thiab tsa cov hniav ntawm lub khib siab dua, ces qhov kev xav tau "pab" rau lub cuab yeej yuav ploj mus. Txawm li cas los xij, qhov ua rau ntawm kev tawg yog feem ntau tsis ua haujlwm hauv kev ua haujlwm ntawm lub shuttle. Nyob rau hauv rooj plaub no, tus tswv yuav tsum kho lub tshuab xaws nrog nws tus kheej tes, teeb tsa thiab kho cov haujlwm ntawm cov cuab yeej tseem ceeb.
Tsis txhob sawv ntawm koj tus kheejsim daws teeb meem nrog hluav taws xob pedal. Tsis muaj ntau los kho qhov ntawd. Lub cav tuaj yeem nyob hauv ib qho ntawm ob lub xeev: khiav lossis tsis khiav. Yog tias nws tsis ua haujlwm, ces tsuas muaj ib txoj hauv kev tawm - los hloov nws. Lub ntsiab cim ntawm lub cav hlawv yog qhov tshwj xeeb tsis hnov tsw ntawm hluav taws xob thaiv hluav taws xob.
Cov cuab yeej ntawm lub tshuab xaws yog xws li tsuas yog tus kws tshaj lij uas paub txog cov yam ntxwv ntawm nws cov cuab yeej thiab cov hluav taws xob hluav taws xob uas nws siv tuaj yeem sib sau ua ke thiab disassemble nws. Thiab nws yog kev tshaj lij thiab kev paub dhau los uas tso cai rau tus kws tshaj lij kom daws tau txoj haujlwm sai. Feem ntau, lub tshuab xaws pedal ua tsis tiav vim qhov tseeb tias cov xov hlau tangled underfoot, frayed, uas maj mam ua rau lawv tsis ua hauj lwm.
Qee zaum, nws yuav tsim nyog los kho lub tshuab xaws nrog koj tus kheej txhais tes, uas koj yuav tsum tau disassemble lub cuab yeej, uas yog, tshem nws cov ntaub ntawv yas kom tau yooj yim nkag mus rau qee yam khoom. Xws li qhov kev xav tau tshwm sim tsis tshua muaj, tshwj xeeb, thaum hloov lub tshuab hluav taws xob lossis lub tshuab tsav tsheb. Qee zaum, los hloov thawj tus, nws yog txaus kom tshem tawm tsuas yog hauv qab thiab sab npog. Thiab txhawm rau tshem tawm qhov jamming ntawm cov txheej txheem, nws yuav tsum tau ua kom tiav cov khoom siv.
Nyob zoo ib tsoom niam txiv kwv tij neej tsas sawv daws
Feem ntau, kev kho nyuaj tshaj plaws yog txuam nrog qhov tsis pom kev tsis txaus ntseeg raws li qhov tshwm sim ntawm lub voj voog nyob rau ntawm kab. Tus tswv qee zaum raug yuam kom kuaj xyuas yuav luag tag nrho cov nodes txhawm rau tshem tawm nws. Feem ntau, qhov ua rau ntawm qhov tshwm sim no yog ib qho notchlos yog khawb raws txoj kev ntawm cov xov. Yog tias peb tab tom tham txog lub tshuab ntaus ntawv "Seagull", ces qhov tsis raug ntawm qhov tsis raug ntawm lub shuttle txoj haujlwm yuav yog vim li cas. Hom kev kho no hloov mus ua qhov nyuaj, yog li nws nyuaj rau ua yam tsis muaj kev paub dhau los hauv thaj chaw cuam tshuam.
cov teeb meem feem ntau
Feem ntau, lub tshuab xaws malfunctions muaj xws li tawg, tangling ntawm threads, breakage ntawm koob. Qhov no nyob ntawm, raws li yav dhau los tau sau tseg, ntawm qhov tuab thiab hom xov siv, nrog rau qhov dav ntawm qhov sib txawv ntawm rab koob thiab threader, preset ua ntej. Qhov teeb meem no cuam tshuam tsis tau tsuas yog cov tshuab xaws classic, tab sis kuj overlockers. Nyob rau hauv tas li ntawd, cov hauj lwm ntawm threader poob rau ntawm lub loopers, uas yuav tsum tau meej installation nyob rau hauv thiaj li yuav tsis txhob hla stitches thiab lwm yam teeb meem. Koj tuaj yeem them sai sai rau cov tsos ntawm cov teeb meem xws li stitch stitches lossis cov xov xov tawg. Qhov no tej zaum yuav yog vim tsis tshua muaj xov nro nyob rau hauv tus nuv los yog, ntawm qhov tsis tooj, nruj heev, thiab tej zaum cov thickness thiab zoo ntawm cov xov tsis phim cov khoom uas yuav tsum tau ua. Tag nrho cov kev ua tsis zoo uas tau teev tseg yog qhov tshwm sim tsis tu ncua hauv cov tshuab ntaus ntawv hauv tsev, tshwj xeeb, "Podolsk" thiab "Chaika", thiab yuav luag tsis tshwm sim hauv txawv teb chaws units. Hauv qhov no, koj tuaj yeem kho lub tshuab xaws koj tus kheej, tab sis koj tuaj yeem ntsib cov teeb meem nyuaj uas yuav tsum tau muaj kev cuam tshuam los ntawm cov kws tshaj lij tsim nyog.
Kev piav qhia ntxaws
Cov xov sab sauv tawg tuaj yeem yog vim qhov tsis zoo ntawm cov xov los yog thaum siv cov xov uas qub heev thiab poob lawv cov yam ntxwv qub. Cov xov hom thiab tuab yuav tsis sib xws rau hom ntaub uas tau sewn los yog tus naj npawb ntawm rab koob ntxig rau txoj haujlwm. Qee zaum qhov no yog vim qhov tsis muaj zog ntawm cov xov clamp caij nplooj ntoos hlav ntawm cov ntaub ntawv bobbin, uas tsis muab qhov tsim nyog xov nro. Kho Tij Laug tshuab xaws nyob rau hauv cov ntaub ntawv no yog heev yooj yim, rau qhov no muaj ib tug me me ntsia hlau rau ntawm lub hau nws tus kheej, thiab nyob rau hauv cov qauv qub lub caij nplooj ntoos hlav no twb poob nws elasticity, yog li qhov kev txiav txim siab yuav yog mus yuav ib tug tshiab bobbin rooj plaub. Tsis tas li ntawd, yog tias lub tshuab qub tau siv lub sijhawm ntev heev, cov xov nws tus kheej tuaj yeem ua rau txiav hauv qhov chaw uas yuav tsum tau polished. Qhov no feem ntau pom nyob rau ntawm cov xov nro sab sauv thiab ntawm cov xov clamps.
Kab xov tawg
Thawj qhov uas yuav tsum tau nug yog qhov zoo ntawm cov xov. Yog tias tom qab hloov nws tsis muaj dab tsi hloov, ces koj tuaj yeem saib ntxiv. Nyob rau hauv cov ntaub ntawv no, koj muaj ib tug yooj yim DIY xaws tshuab kho. Nws yog qhov ua tau tias kev kho lub siab ntawm cov xov clamp caij nplooj ntoos hlav nyob rau hauv cov ntaub ntawv bobbin ua rau lub qhov ntawm lub taub hau ntawm cov ntsia hlau kho kom tawg, uas coj mus rau qhov tsim ntawm notch los yog nws pib protrude ntxiv tshaj qhov tsim nyog. Cov xov-clamping caij nplooj ntoos hlav ntawm bobbin rooj plaub nws tus kheej tuaj yeem rub kom nws tau ntse thiab pib txiav cov xov. Hauv qhov xwm txheej zoo li no, tsuas yog hloov cov ntaub ntawv bobbin xwb thiaj li yuav kho qhov xwm txheej.
Qee lub sij hawm qhov teeb meem yog tshwm sim los ntawm overtightening xov nyob rau hauv lub bobbin rooj plaub. Ntau nyob ntawm cov bobbins siv, yog li nws tsim nyog hloov lawv ntau zaus. Kev siv ntev ua rau lawv chafing, thiab thaum ntog txawm tias los ntawm lub rooj, nws muaj peev xwm tau txais cov deformations tseem ceeb, uas cuam tshuam rau qhov zoo ntawm seam. Thawj qhov cim qhia tias bobbin tau ploj mus tsis zoo yog qhov rov ua dua ntawm qhov tsis xws luag txhua 5-6 cm. Bobbins feem ntau muaj cov kab nrib pleb thiab cov nicks uas tshwm sim los ntawm rab koob tawg, ua rau lawv siv tsis tau kiag li.
Ugly kab
Yog tias pom dab phem plooj, muaj cov xov tsis sib npaug, ces nws yuav zoo li tias cov xov bobbin tau raug mob yam tsis muaj kev nruj nruj los ntawm lub clamp straightener, thiab qhov no ua rau cov xov tsis sib xws ntawm lub bobbin. Thaum lub sij hawm xaws, thaum unwinding lub bobbin, cov xov unwinds nyob rau hauv txawv radii, thiab qhov no yog lub hauv paus ntawm tsis sib xws nro, ua rau ib tug dab tuag plooj. Yog hais tias cov xov yog kis tusyees ntawm lub bobbin, ces nws unwinds evenly. Nws yog tsis yooj yim sua kom cua cov threads manually, raws li nyob rau hauv cov ntaub ntawv no tom qab scrolls interlock nrog cov yav dhau los sawv daws yuav, thiab qhov no cuam tshuam rau qhov zoo ntawm cov kab mob, vim hais tias txawm lub caij nplooj ntoos hlav ntawm lub bobbin rooj plaub, uas clamps cov xov, yog tsis muaj peev xwm. them nyiaj rau qhov tsis sib xws.
Cov xov qis qis dhau los ua rau tangles thiab tawg, tib yam tshwm sim thaum cov xov sab saum toj nruj dhau. Ua-nws-koj tus kheej xaws tshuab kho qhov no muajhauv kev kho cov xov nro. Nws yog tsim nyog los tuav lub threaded xov nrog lub bobbin nyob rau hauv lub cap thaum kawg, cia nws poob rau hauv lub caij nplooj zeeg dawb, xyuas kom meej tias cov xov unwinds los ntawm tsis ntau tshaj 5-6 cm. Yog hais tias qhov no tsis tshwm sim, ces nws yog tsim nyog. kho cov ntsia hlau kho ntawm rooj plaub.
Nruab nrab ntawm cov xov clamp daim hlau ntawm lub tensioner sab sauv, lub foob yuav coke dhau sijhawm, uas tiv thaiv cov xov nro los ntawm kev hloov kho rau tus nqi xav tau. Cov no yog lint los ntawm cov xov uas tau tov nrog hmoov av, tshuab roj thiab xeb. Cov xov tuaj yeem lo rau hauv cov av nkos thiab tsuas yog tawg. Txhawm rau tshem tawm lawv, siv cov txhuam hniav tawv, uas muaj nyob rau hauv cov khoom siv nrog lub tshuab xaws, lossis siv txhuam hniav qub.
Nws kuj tshwm sim tias cov xov xov sab saud ntawm lub tshuab qis dhau los yog cov xov bobbin nruj dhau. Cov ntaub ntawv bobbin kuj tseem muaj cov xov coj-up phaj, yog li nws tsim nyog kuaj xyuas lint lossis av hauv qab. Tag nrho cov no yuav tsum tau muab tshem tawm yog tias tsim nyog. Txawm hais tias qhov tseeb tias cov ntaub ntawv bobbin yog qhov yooj yim heev ntawm cov cuab yeej, nws kuj qee zaum ua rau tsis zoo stitching. Lub sijhawm ua haujlwm ntev tuaj yeem ua rau cov xov los ua ib qho zawj hauv qab phaj, yog li nws yuav tsis raug tensioned li nws yuav tsum tau. Nyob rau hauv rooj plaub no, ua-nws-koj tus kheej xaws tshuab kho yog yooj yim - tsuas yog hloov lub bobbin rooj.
Yog tias koj pom tias cov xov nro muaj zog heev lossis tsis muaj zog, ces koj yuav tsum tau ntxiv lossis xoob nws. Yog kojKev paub txog kev xaws tsis zoo heev, nws tuaj yeem ua teeb meem kom nkag siab qhov twg saum thiab qhov twg hauv qab xov. Nws yuav yog qhov tseeb tshaj plaws los sau cov xov ntawm tib tus lej, tab sis nyob rau hauv cov xim sib txawv, ces cov seam yuav pom tseeb heev. Los ntawm saib nws, nws yuav ua kom pom tseeb rau koj qhov xov yuav tsum tau xoob thiab qhov twg yuav tsum tau nruj.
Cov ntaub ntawv tsis zoo. Stitch irregularity
Nyob rau hauv rooj plaub no, kho tus presser ko taw siab ua ntej. Nws yog ib qho tsim nyog los xyuas cov kab rov tav txoj hauj lwm ntawm ko taw, nws yog qhov ua tau tias nws tsis nias cov ntaub hla tag nrho cheeb tsam, uas yog, tsis tag. Kev tsim ntawm lub tshuab xaws yog xws li tias qee zaum qhov siab nqa ntawm tus dev pub tsis sib xws rau qib yuav tsum tau ua. Yog tias qhov nce qis dhau lawm, koj tuaj yeem soj ntsuam seb qhov plooj ua me me los yog tag nrho sawv ntsug. Cov hniav yuav tsum tsis txhob nyob rau hauv ncaj qha kev sib cuag nrog presser ko taw, tsuas yog nyob rau hauv cov ntaub ntawv no lawv yuav tsum tau zam blunting. Muab daim ntawv los yog ib daim ntaub rau hauv qab ntawm ko taw. Qee cov qauv ntawm cov tshuab tau nruab nrog ib hom kev hloov qhov siab ntawm cov hniav pub rau cov paj ntaub, koj yuav tsum nrhiav qhov kev hloov no, thiab tom qab ntawd hloov mus rau hom "sewing". Qee lub sij hawm qhov kev nqa qhov siab ntawm cov hniav presser tsis sib haum mus rau hom paj ntaub lossis hom xaws. Sewing nruab nrab-qhov hnyav fabrics yuav tsum tau qhov tseeb txoj hauj lwm ntawm tus aub noj yog ib qho uas tso cai rau cov hniav kom tag nrho ntev ntawm lub koob phaj thaum nws yog tag nrho tsa. Yog tias lawv tau teeb tsa siab dua, muaj lub caij nyoog siab uas cov ntaub yuav shrink thiab shrug, muab "haum" nyhuv.
koob tawg
Kev kho lub tshuab xaws hauv tsev feem ntau suav nrog kev hloov rab koob. Hauv qhov no, nws yog ib qho tseem ceeb kom nkag siab tias dab tsi yog qhov ua rau nws tawg. Tej zaum nws yuav tsis phim tus naj npawb ntawm cov ntaub koj xaws. Koj yuav tsum pom lub ntsej muag xyuas yog tias rab koob nws tus kheej yog khoov, nws kuj yuav muaj qhov khoov lossis tawg, qhov no yog qhov yooj yim los xyuas nrog tus ntiv tes. Thaum nws swb tawm ntawm qhov koob, nws yuav twv yuav raug ntes ntawm qhov burr. Qee lub sij hawm nws hloov tawm tias rab koob tsis tau muab tso rau hauv rab koob, uas yog, tsis yog tag nrho ntev. Qee lub sij hawm lub koob, thaum xaws nrog ib txoj kab ncaj nraim, tsis nyob hauv txoj hauj lwm hauv nruab nrab, tab sis qhov chaw mus rau sab laug lossis sab xis ntawm qhov chaw, thiab thaum xaws hauv zigzag, nws tawg. Nyob rau hauv rooj plaub no, nws yog ib qho tsim nyog los xyuas qhov curvature ntawm cov lus qhia thiab rab koob clamp. Nws yog qhov ua tau tias qhov thib ob tau hloov ntawm nws qib. Koj tuaj yeem teem nws rau txoj haujlwm xav tau sim. Thiab nws tsis muaj teeb meem dab tsi ntawm lub tshuab xaws koj muaj, cov lus qhia rau nws nyob rau hauv txhua rooj plaub tsis muaj cov ntaub ntawv tshwj xeeb.
Thaum xaws, nws yog txwv tsis pub rub cov ntaub nrog koj txhais tes, qhov no ua rau tsuas yog ib qho txiaj ntsig: nws nqa rab koob nrog rau nws, uas nyob rau ntawm rab koob phaj, uas ua rau tawg ntawm thawj zaug. Hauv qhov no, koj yuav tsum paub tias vim li cas cov ntaub hauv koj lub tshuab tsis ua haujlwm zoo.
Hla stitches ntawm lub tshuab xaws tej zaum yuav yog vim qhov kev teeb tsa tsis raug, piv txwv li, rov qab, los yog lub hau ntawm tus nuv threader tsis tuaj yeem ntes cov xov sab saud. Qee zaum qhov ua rau yog qhov bluntness ntawm lub ntsis ntawm rab koob, los yog nws tuaj yeem tawg tag, thiabrab koob yuav khoov. Nws yuav tsum tau kuaj xyuas los ntawm kev tig nws los ntawm lub teeb kom paub tseeb tias tsis muaj qhov tsis xws luag. Yog tias lawv yog, ces tsuas muaj ib qho kev daws teeb meem - hloov lub koob. Thaum muas koob, nws tseem ceeb heev uas yuav tsum tau ceev faj, raws li lawv tej zaum yuav npaj rau lwm cov qauv ntawm cov cav tov, uas yog, lawv muaj ib co qauv tshwj xeeb uas tsis haum koj.
Nws yog qhov ua tau tias qee qhov tshuab xaws tsis raug txiav txim. Piv txwv li, kev khiav hauj lwm ntawm lub koob sab sauv thiab lub shuttle yuav tsis sync. Hauv qhov no, koj yuav tsum hu rau lub rooj cob qhia lossis hu rau tus kws tshaj lij. Nws yog qhov ua tau heev los kho Singer tshuab xaws hauv tsev, tab sis txhua yam nyob ntawm qhov nyuaj ntawm kev tawg thiab koj qib kev paub cuam tshuam nrog qhov teeb meem no. Koj tuaj yeem siv sijhawm ntau ntawm kev sim xaiv ntawm txoj haujlwm ntawm cov khoom thiab cov txheej txheem ntawm lub cuab yeej.
Herringbone and dots
Ntau tus DIYers muaj lus nug txog kev kho khoom siv. Nyob rau hauv cov ntaub ntawv ntawm cov tshuab xaws, lawv yuav muaj feem xyuam rau cov tsos ntawm ib tug herringbone es tsis txhob ntawm ib tug plooj thiab lub visibility ntawm "dots" los ntawm lub Upper xov. Muaj tsuas yog ib lo lus teb rau cov lus nug no - koj yuav tsum siv threads ntawm haum thickness. Nws tsis muaj teeb meem yog tias koj siv lub tshuab xaws ko taw lossis hluav taws xob, qhov teeb meem tuaj yeem tshwm sim txhua lub sijhawm. Nws yog ib nqi sau cia hais tias nyob rau hauv industrial tsho koj tuaj yeem pom cov kab zoo nkauj, qhov twg koj tuaj yeem pom cov xov yog thinner dua li lub khw "plaub caug". Hauv peb cov khw muag khoom nws yog qhov nyuaj los nrhiav cov xov zoo nrog lub thicknesstsawg dua No. 50. Nrog rau txoj hlua ntev ntawm 3 ntawm cov ntaub npuag, xov No. 40 muab cov plooj zoo meej rau txhua yam khoom siv. Thiab thaum koj sim xaws nyias nyias nrog nws, teeb meem tshwm sim nyob rau hauv daim ntawv ntawm ib tug "herringbone", uas yog pom nyob rau hauv tag nrho nws cov yeeb koob, tsis hais txog cov yam ntxwv ntawm lub shuttle siv.
hluav taws xob tsav
Lub tshuab xaws hluav taws xob yog tus cwj pwm los ntawm qhov tseeb tias nws suav nrog cov khoom tseem ceeb xws li tsav hluav taws xob. Qhov no ntawm nws yog qhov tseem ceeb tshaj plaws, yog li yog tias lub cav tsis ua haujlwm, ces kev kho yog kim heev. Txawm li cas los xij, qee zaum nws txaus los hloov lub tshuab xaws siv. Nws yuav raug nqi tsawg dua txawm tias coj mus rau hauv tus account cov kev pabcuam ntawm tus tswv. Hloov lub tshuab xaws pedal kuj tsis kim heev. Qhov kim tshaj plaws yuav yog kev kho ntawm lub cev muaj zog nws tus kheej, feem ntau nws yog qhov tsim nyog los yuav cov cuab yeej tshiab. Hloov lub tshuab xaws siv yog tias nws tawg. Tab sis nyob rau hauv txhua rooj plaub, ua ntej pib nrog kev tshem tawm cov teeb meem, nws yog ib qho tsim nyog yuav tsum nkag siab txog qhov ua rau kev tawg.
Tau kawg, tsis yog txhua qhov kev ua haujlwm tsis zoo tuaj yeem kho los ntawm tes. Thiab daim ntawv teev npe ntawm no yog nyob deb ntawm kev ua tiav, tab sis nrog qee qhov kev ntshaw, txhua yam tuaj yeem ua tiav sai heev. Muaj cov khoom seem tsim nyog rau cov tshuab xaws, koj tuaj yeem ua tiav txhua txoj haujlwm yooj yim.
