Ingqalasizinda

Senza isango lesonakele: imiyalelo, izinyathelo ngezinyathelo

Manje isakhiwo esivela eshidi elisezingeni eliphansi (i-flooring lobuchwepheshe) lisetshenziswa kakhulu ekwakhiweni. Lezi zinto zithole ukuthandwa okufanelekile ngenxa yokulula ukufakwa nokusebenza okuphezulu. Enye yezindawo zesicelo sayo yilapho kudalwa izicingo. Iyakwazi ukukwazi ukuzimela ngokuzenzekelayo enye yezingxenye zocingo, okungukuthi isango, okuzoxoxwa kulo magazini.

Izinzuzo zesango elisezingeni eliphezulu lobuchwepheshe

Izinzuzo zokwakhiwa kwe-sheeting efihliwe zibangelwa izinzuzo zezinto ezikulo, okungukuthi:

  • bayamelana nemithwalo yemishini kahle;
  • ngamandla amakhulu, alula kakhulu;
  • Ukwakhiwa kwensimbi ehlanganisiwe ne-polymer yokugqoka kuvikela ngokuphelele ukubola, okuqinisekisa impilo yabo yesikhathi eside;
  • imibala ehlukahlukene yokubala iyatholakala;
  • impahla inebukeka obuhle;
  • inani elihle lemali.
Uyazi? Kukholelwa ukuthi umsunguli wepheshana elifakiwe ngumlingisi odume waseBrithani uHenry Robinson Palmer. Ukuqalwa kwenzeka eminyakeni eyi-20 yekhulu le-XIX.

Decking

Kunezinhlobo eziningi zalezi zinto. Zingase zihluke kwimingcele elandelayo:

  • ngohlobo lwe-corrugation - i-trapezoid noma i-wavy;
  • ukuphakama kokonakala;
  • ubukhulu bezinto (0.3 ... .1 mm);
  • ngohlobo lwengubo evikelayo - ishidi lensimbi lingase liboshwe nge-zinc noma i-alumino-zinc, i-polymer yokugqoka ingase ihluke (i-plastisol, i-polyester, njll);
  • ububanzi bephrofayela;
  • ububanzi beshidi.
Sikukwazisa ukuthi ufunde mayelana nokwenza ucingo ngokwayo kusukela ekuxhumaneni kwe-chain-link, shtaketnik, gabions, kanye nendlela yokwenza izicingo zezitini nezama-wicker.

Ukugqoka i-zinc kuyindlela engabizi, futhi i-zinc alumina igxilile endaweni enonya, njengomoya womoya noma imoto. I-Zinc ne-aluminium ziyingxenye ye-alyumotsinka, i-silicon isetshenziswa njenge-binder. Ngokuqondene nezingubo ze-polymeri, i-Plastizol i-polymeric organic inikeza amandla engeziwe, ukuvikelwa okuhle ngokumelene nemikhakha. Kodwa-ke, ekugcineni lilahlekelwa umbala walo, liwela ngaphansi kwethonya lemisebe ye-ultraviolet futhi lingase libhekane nezinguquko ngokuzumayo ekushiseni.

Kuzoba usizo kuwe ukuthi ufunde ukuthi yiziphi izinto zokwenza ucingo, nokuthi yiziphi ezingcono.

Okuvame kakhulu ukugqoka i-polyester, okungenakho konke lokhu okungalungile. I-Polymer PVDF (i-polydifluorionad), ngaphezu kokuqinisekisa ukumelana kwamashidi ekumelana nokubola, igcina umbala wayo kangcono kunezinye izinto.

Uyazi? Isango eliphakeme kunazo zonke emhlabeni isango lokwakhiwa kombuthano oqondile wama-rocket, otholakala esikhungweni sesikhala kubo. I-Kennedy NASA. Ukuphakama kwawo kungamamitha angu-139. Kuthatha imizuzu engu-45 ukuyivula.

Amanothi ephrofayela amakwe kanje:

  • "C" - udonga, evame ukuhlala kancane kunezinye izinhlobo, kodwa elula futhi eshibhile;
  • "NS" - ukwaziswa okuqinile kwendawo yonke;
  • "H" - ukuqina okunzima okunamandla, okungafanelekile esangweni;
  • "MP" - okufakwe ngaphakathi kwendawo yonke, ngokuvamile okusetshenziselwa ukuphahla nokuhlobisa.

Cabanga ngeminye imikhiqizo yephepha elifakiwe ngokuningiliziwe:

  1. Iphrofayela ye-C8 ine-corrugation ye-wavy. Kuyinto eqinile kancane uma kuqhathaniswa nezinye izinto, kodwa ezishibhile. Ubukhulu bungaba kusuka ku-0.5 kuya ku-0.7 mm, ububanzi beshidi buyi-1.2 m, ubude buhluka kusuka ku-0.5 kuya ku-12 m, ubude bephrofayela buyi-8 mm.
  2. Iphrofayela ye-C10 unayo i-trapezoid corrugation. Akanayo amandla. Ubukhulu bayo buyi-0.4 ... 0.8 mm, ububanzi buphelele - 1.15 m, ubude - kusuka ku-0.5 kuya ku-12 m, ubude bephrofayela 10 mm.
  3. Iphrofayela ye-C18 kungenzeka ibe nezinhlobo ezimbili: i-ribbed ne-wavy. Esikhathini esilandelayo, sibhalwe ngokuthi i-C18 (wave). Ubukhulu bayo buyi-0.4 ... 0.8 mm, ububanzi beshidi ngu-1.023 m, ubude buhluka kusuka ku-0.5 kuya ku-12 m, ubude bephrofayela buyi-18 mm.
  4. Iphrofayela ye-C21 i-shabbed trapezoidal shape. Lo mkhiqizo unamandla kakhulu kunalawo achazwe ngenhla. Ubukhulu buyi-0.4 ... 0.8 mm, ububanzi beshidi buyi-1.051 m, ubude be-0.5 ... 12 m, ukuphakama - 21 mm.
    Sincoma ukuthi sifunde ngendlela yokwakha ifomu yokwenza isisekelo socingo.
  5. Iphrofayela C44 It has trapezoid ukubola futhi ibonakala ukwanda rigidity kanye nokukwazi ukumelana imithwalo enkulu. Ubukhulu bephrofayli - 0.5 ... 0.9 mm, ububanzi bendawo - 1.047 m, ubude - 0.5 ... 13.5 m, ubude - 44 mm.
  6. Iphrofayela ye-HC35 trapezoid, kodwa ngemiphetho eyengeziwe. Kuyinto eqinile ngokukhethekile. Ubukhulu bayo buyi-0.5 ... 0.9 mm, ububanzi beshidi buyi-1.06 m, ubude buhluka kusuka ku-0.5 kuya ku-12 m, ubude bephrofayela buyi-35 mm.

Izinto zokwakha

Ukuze ukwakhiwa kwesango kuzodinga izinto ezilandelayo:

  • a flooring professional (njengomthetho, uphawu olufanayo lapho ucingo lwenziwa khona kuthathwa);
  • ithrekhi yesikwele yamakholomu asekela, ngokuvamile usebenzisa 80x80 mm ngodonga lwe-3 mm noma i-100x100 mm nodonga lwama-4 mm;
  • ithrekhi engxenyeni yefreyimu, usebenzisa i-40x20 mm noma i-60x40 mm;
  • amabhuloho, ungasebenzisa ipayipi elifanayo njengefreyimu, noma ungathatha isigaba esincane, isibonelo, 20x20 mm;
  • ikona (uma kunesidingo);
  • izikrini noma ama-rivets;
  • usimende;
  • upende kanye nokuqala.

Izinhlobo zamasango

Kunezinhlobo eziningana zendlela yokwakha isango: ukuguqa, ukuhamba, ukugibela, igaraji, ukuphakama kwesibhakela. I-recoil ejwayelekile kakhulu futhi i-swing, le miklamo iyona ewusizo kakhulu. Tshela ngabo ngokuningiliziwe.

Ukubuyisela

Lolu hlobo lwesango luneqabunga elilodwa, elingazivuli livulekile, kodwa lihamba linye. Ngakho-ke, insimu yendlu yezindela isetshenziselwa ngomqondo. Ngaphezu kwalokho, lolu hlobo lwesango lungenziwa kakhulu, kuze kube ububanzi bamamitha ayi-12, okuhambisana nobude obuphezulu beshidi elifakiwe elijwayelekile.

Enye inzuzo yindlela yokusebenza ebusika, ngoba ngalesi sikhathi akudingekile ukususa iqhwa ukuze ukwazi ukuvula isango. Phakathi kweziphambeko kungenziwa kuqaphele ukuklanywa okuyinkimbinkimbi, isidingo sokuthenga izingxenye ezikhethekile emhlanganweni wamasango anjalo, futhi ekugcineni izindleko ezinkulu zokwakha lolu hlobo.

Ungase ube nesithakazelo ekufundeni ukuthi ungayenza kanjani i-gable kanye nophahla oluqotshiwe, ukuthi ungayenza kanjani uphahla lwama-mansard, ukumboza uphahla nge-ondulin kanye netheyili yensimbi, indlela yokufaka i-visor ebhantshi, indlela yokwenza umgwaqo ekhaya, kanye nendlela yokufudumala indlu engaphansi kwendlu.

Swayipha

Lolu hlobo lwesango luneminyango emibili evulekayo ngaphandle noma ngaphakathi kwegceke. Zibonakala ngokulula kokuklanywa nokubiza okulinganiselwe. Ukungahambi kahle kuyadingeka ukuthi kuvuleke ukuvula i-sash ngokuhlukile, futhi ukusula indawo ezungeze isango kusukela eqhweni ebusika ukuze ukwazi ukuwavula.

Inqubo Yokuhlangana Kwamasango eSliding

Ukuze ukwakhiwa kwamasango anjalo kuzodinga usizo okungenani umuntu oyedwa. Ngaphandle kwezixhobo ezingenhla, uzodinga:

  • umzila wesitimela, ubude bawo buyi-1.6 ububanzi bokuvula;
  • amabhethini amabili okuthwala ama-roller anezinsiza zokulungisa;
  • izicupho ezimbili ukuvimbela ukugoqa kwesakhiwo;
  • i-rolling roller, ukunciphisa umsindo lapho kuvulwa / ukuvala isango;
  • isiteshi 20 cm ububanzi nokufakwa 10-14 mm for isisekelo.
Ividiyo: indlela yokufaka isango elishayelayo

Izakhiwo nezakhiwo zamasango

Uma udweba umdwebo, imingcele eyinhloko yokwakha ibalwa ngokulandela lemithetho elandelayo:

  • ububanzi bephaneli lomnyango elinomkhawulo wokulinganisa ulingana nobubanzi bokuvulwa okwenziwe yi-1.6;
  • ububanzi be-counterweight bulingana nobubanzi bokuvulwa okwenziwe ngu-0.5;
  • ububanzi bephaneli bulingana nobubanzi bokuvula kanye kabili ububanzi bezinsika ezisekelayo;
  • Ukuphakama okuhle kwesango kudlula ukuphakama kocingo ngo-10 cm, kodwa akufanele kudlule amamitha amabili.

Ngokusekelwe ubukhulu obunziwe befreyimu yephaneli kanye ne-counterweight, ubukhulu be-jumpers kubalwa. Zonke izilinganiso ezibalweyo zokuvula, iphaneli, counterweight, izingqimba nezindwangu zendlu ziboniswa emdwebeni.

Kubalulekile! Ububanzi bokuvulwa kunqunywe ngesisekelo sobukhulu bemoto ezodlula esangweni, kanye nokuhlelwa kokuhlala. Ngakho-ke, uma umgwaqo osondela esangweni uncane, ngakho-ke kuyadingeka ukwenza ukuvulwa kube lula.

Kusukela amathuluzi oyodinga:

  • izikhali zensimbi;
  • umshini wokugesi;
  • Isi-Bulgarian;
  • umshini wokushisa;
  • i-bayonet spade (ingafakwa nge-bore engadini efanele, kulula kakhulu ukuba benze imbobo yezinsiza);
  • izinga;
  • wheel roulette

Bhalisa izinsika

Kunconywa ukuthi usebenzise amapayipi ensimbi wesikhala njengekholomu yokusekela, kodwa ezinye izakhi zingasetshenziswa: imigoqo yesiteshi, amakholomu okhonkolo, imigoqo ye-oak.

Kubalulekile! Uma ukujula komgodi ngaphansi kokusekelwa akudluli ukujula kwenhlabathi, entwasahlobo ukusekelwa kungavele kususwe phansi, futhi kuzowa.
Ividiyo: amabhukhimakhi izinsika Ukufaka ikholomu yokusekela, kufanele wenze izinyathelo ezilandelayo:
  1. Gweba umgodi, okujule kuwo okungaphezu kokujula kwenhlabathi (ephakathi kweRussia, inhlabathi ingabhalwa ngu-1.0 ... 1.2 m).
  2. Umgogodla ugcwele ingxube yesihlabathi kanye ne-rubble, ungqimba lwe-backfill 15 ... 30 cm.
  3. Faka ukusekelwa okulungiselelwe.
  4. Ukuze ukhonjiswe ukusekela, ukulawula isikhundla esiqinile ngokusekelwa ngosizo lwezinga, isikhathi sokuqina kokhonkolo okungenani izinsuku ezintathu.

Isisekelo sesisekelo

Ukuze udale isisekelo sezingxenye zokugqoka kanye nesibhamu somhlahlandlela, udinga ukwenza okulandelayo:

  1. Bamba umgodi owu-U. Ubude bomgodi buhambisana nobukhulu be-counterweight, ububanzi nobubanzi besiteshi, ukujula "kwe-crossbar" kuyi-50 cm, ukujula kwe "imilenze" kuyi-170 cm (ngaphansi kokujula kwenhlabathi), ububanzi bemilenze buyi-40 cm (ukujula akucacisiwe ). Umgogodla uhlanganiswe nesihlabathi, ukuphakama komcamelo wesihlabathi kungama-10 cm.
  2. Sika isiteshi ngaphansi kobude bomgodi.
  3. Sika u-rebar ne-weld esiteshini ngendlela yemilenze. Qinisekisa lezi "imilenze" ngokususa ama-struts ekuqiniseni.
  4. Ukwakhiwa kwesiteshi kanye nokuqiniswa ukuze kuhlaselwe emgodini, isiteshi kufanele sishaye phezulu.
  5. Ipaki uthele ukhonkolo, isisekelo sithatha cishe isonto.
Funda kabanzi mayelana nendlela yokufaka umshini wokushisa amanzi, ithangi le-septic, uhlelo lwama-air conditioning, indlela yokwenza amapayipi emthonjeni, ukwakha ikamelo elingaphansi kwegaraji, ukukhipha amanzi angaphansi komhlaba, indlela yokukhanyisa indlu, kanye nendlela yokwenza isitofu ne-Dutch burgundy isitofu.

Ukwenza uhlaka

Inqubo yokwenza ifreyimu kanje:

  1. Ngokusho komdwebo, i-grinder inquma amapayipi, amalunga ezakhi zangaphandle ezakhiwe anqunywe engeni lika-45˚.
  2. Izakhi ezinqunywe zihlanza, zihlonywe futhi zidwetshiwe.
  3. Uhlaka lwangaphandle.
  4. Ifreyimu yangaphakathi ne-jumpers ifakwe, akufanele kube nomswakama oqinile, amapayipi ohlaka lwangaphakathi alungiswe kalula ngamasentimitha ama-centimeter ama-half centimeter.
  5. Iforamu yomhlahlandlela iboshwe phansi kwesango.

Ukufakwa kwefreyimu ne-flooring yobuchwepheshe

Ukufaka ifreyimu bese uyibeka nge-flooring efanele, kufanele wenze izinyathelo ezilandelayo:

  1. Faka ama-roller bearings esisekelweni (isiteshi), kufanele ahlukaniswe ebangeni elide ukusuka komunye nomunye. Izisekelo azikwazi ukulungiswa ngokuqondile kwisisekelo, zifakiwe endaweni yokulungisa.
  2. Beka iqabunga lomnyango emagumbini okugqoka bese uhlola izinga lokuphazamiseka.
  3. Uma kungekho ukuphazamiseka kwezingubo ze-roller ekugcineni.
  4. Kusukela ohlangothini lwe-counterweight, faka i-cap.
  5. Kusuka emaphethelweni okuphambene ukufaka ukuphela (ukusekela) roller.
  6. Faka izicupho (phezulu nangaphansi).
  7. Hlola ukusebenza kwesakhiwo.
  8. Ukufakela ukufakela okufakiwe kufakwe, njengesivinini sokusebenzisa izikrini noma ama-rivets (insika ingenziwa ngaphambi kokufaka ifreyimu).
Ividiyo: do-it-ngokwakho amasango e-sliding

Ukufaka ukufakwa

Izakhi ezengeziwe zisebenza njengezesekeli: izilenge zetheni, izikhamera zokubhekwa, izinhlelo ze-alamu, ukukhanyisa, njll. Lokhu konke kungenziwa ngokuthanda emva komhlangano wesango.

Ubuchwepheshe bomhlangano kanye nokufakwa kwamasango e-swing

Ukwakhiwa kwamasango okuguqula kulula kakhulu kunokungena kwesango, ngokulandelana, futhi ubuchwepheshe bebandla bubuye bube lula. Cabanga ngale nqubo ngokuningiliziwe. Kusuka ezintweni ezingaphandle kwalezo ezibalwe esigabeni "Izinto zokwakha", uzodinga izikhonkwane, ukukhiya ama-sash, amabhotela noma ukukhiya.

Ukudweba namaThuluzi

Emdwebeni wesango lokuguqula, ububanzi nokuphakama kwama-shutters, ukumiswa kohlaka kanye nobukhulu bezakhi zalo, izikhundla zokufaka ezakhiweni, ubukhulu bezithombe ezixhasayo kufanele kuboniswe. Kubalulekile ukunquma, kucabangela izimo zendawo, lapho iminyango izovuleka khona-ngaphandle noma ngaphakathi. Ngezansi, phakathi komhlabathi nomngcele ophansi wamapheshana, i-gap (15-30 cm) kufanele inikezwe esangweni lokusebenza ebusika.

Kusuka amathuluzi okudingayo lokhu:

  • izikhali zensimbi;
  • umshini wokugesi;
  • Isi-Bulgarian;
  • umshini wokushisa;
  • i-spade (ingathathwa indawo yensimu ephethe ububanzi obufanele);
  • izinga;
  • wheel roulette
Sikukwazisa ukuthi ufunde ukuthi ungayifaka kanjani kahle ibhodi ebhodini, indlela yokufudumala, indlela yokufaka isikhombisi kanye nomshini wokushintsha, ukususa upende kusuka ezindongeni, ukugcoba kusukela ephahleni, ukubamba i-wallpaper, indlela yokugcoba udonga nge-plasterboard, nendlela yokugcoba ngokucacile ukushayela.

Hlola ubukhulu bama-valve

Njengomthetho, ububanzi bokuvulwa kunqunywa ngesisekelo sobubanzi bemoto yakho, futhi enye imitha ingeziwe kule nani. I-Sash kufanele ivimbele ngokuphelele ukuvulwa, ngesisekelo salokhu, usayizi wabo uzimisele.

Ngokuvamile ububanzi bokuvulwa kungamamitha angu-4.5-5. Uma umgwaqo ongaphambi kwendlu uncane kakhulu, kufanelekile ukuvula ukuvula, lokhu kuzokwenza kube lula ukufika nokuhamba kwemoto. Ukuphakama kwama-valve kuvame ukuphakama ngamamitha angu-2-2.5.

Uhlaka

Ukwenza uhlaka, okulandelayo kwenziwa:

  1. Ngokusho komdwebo, izikhala zephayiphu ziyanqunywa. Amalungu ezakhi zangaphandle anconywa ukuba anqunywe engeni lika-45˚.
  2. Amabhilidi ahlanzwa ukugqwala.
  3. Ifreyimu ifakwe i-welded futhi i-jumpers ifakwe (eguquguqukayo noma ehlukeneyo, kuye ngokuthi ukwakhiwa okhethiwe).
  4. Ama-welds ahlanzwa, isakhiwo sithokozwe futhi siqoshiwe.
Ividiyo: amasango avela

Ukufakwa kwezinsika

Njengoba izisetshenziswa zivame ukusebenzisa amashubhu aqoshiwe noma iziteshi zesiteshi. Ukuze ufake ikholomu yokusekela, udinga ukwenza izinyathelo eziningi, okungukuthi:

  1. Bamba (noma ugobe umgodi) umgodi, ukujula kwawo okudlula ukujula kwenhlabathi.
  2. Ingaphansi yomgodi igcwele ingxube yensimu kanye ne-rubble, ubukhulu bokugcwalisa buyi-15-30 cm.
  3. Faka ukusekelwa okulungiselelwe.
  4. Ukwesekwa kokukhonjwa, ukulawula isikhundla saso esiqondile ngokusizwa kwezinga. Isikhathi esibucayi sekhonkrit cishe cishe kwezinsuku ezintathu.

Ukubeka izihibe

Ngokuba amasango e-swing asebenzisa ama-hinges egalaji. Inqubo yokuyifaka kanje:

  1. Okokuqala, izingodo zifakwe ezinkambeni ezisekelayo, bese uhlangothi olungaphandle lwaloluhlaka. Uma ama-flaps enkulu kakhulu futhi enzima, uzodinga izikhiya ezintathu nge-flap, ezimweni ezijwayelekile zibiza izindwangu ezimbili. Leyo ngxenye ye-loop, leyo enephini, ifakwe kwesekelo.
  2. Ngemuva kokususa ama-hinges ezisekelweni, balenga ama-flaps bese benza ukuhlolwa komklamo.
  3. Uma imiphumela yokuhlolwa ilungile, indawo ye-weld ihlanzwa, yonke indawo nokudweba.

Ukufakwa kwe-flooring professional

Ishidi elifihliwe linamathele ehlathini ngezikhwama noma ama-rivets, futhi amashidi adinga ukulungiswa kokubili ezingxenyeni zendonga yangaphandle yefreyimu nakuma-jumpers. Izigqoko zokugqoka zingahle zidwetshwe ukufanisa umbala wesango. Uma ngabe ufisa, ungakwazi ukugcoba umshini oqoshiwe oqoshiwe ezinhlangothini zombili. Esikhathini sokufakwa kohlelo kuzodinga ukwenza ukukhishwa kwamashidi ngaphansi kwe-loop.

Ukufaka ukufakwa

Ngemuva kokufakwa kwesango, ukufakelwa kufakwe. Lokhu kungukuthi, njengomthetho, izigqoko ezingezansi ze-valve, ukuqothulwa, ukukhiya (ukulingana, ngaphezulu, ukudlula). Ukwengeza, ungakwazi ukufaka izakhi zokukhanyisa, amakhamera wokubhekwa, ama-alamu, kanye nengxenye ekhishwayo yamagundane, okufaka isikhala esingaphansi kwesango ngesikhathi sokungabikho kweqhwa.

Njengoba ungabona, ukufakwa kwesango lokugcoba ngokwakhe - umcimbi wangempela. Yiqiniso, ukufakwa kwamasango ahambayo kungaba umsebenzi okhungathekile womuntu onokuhlangenwe nakho okwanele emkhakheni wokwakhiwa, kodwa iminyango yokuguqula ilula kakhulu ekwakhiweni nasekukhiqizeni ubuchwepheshe. Ukufaka inketho yokuguqula ngokuvamile akuyona nzima, ngisho nabaqalayo.

Ukubuyekeza okuvela kwinethiwekhi

Чем ненормальны ворота из профнастила?)) Красить не надо, зато надо качественно выкрасть каркас Малый вес, не нужны супер мощные столбы опоры Если крепить заклёпками в каждую волну, то никакого шума + нормальные листы ставить, не фольгу с Гиринских магазинов Ну и наверно самое основное преимущество это цена)) Есть конечно исполнение ворот, на которые без слез смотреть нельзя.
bondur
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Ngizosekela okuthunyelwe kwangaphambilini. Yenziwe ngokwezikhungo ezijwayelekile zomsebenzi. Ukuphakama okukhulu - nge-flooring emihle yezobuchwepheshe nokugxila kuma-rivets ngokusebenzisa umvuthwandaba ngamunye, awudingi ngisho nokudinga ama-diagonal! (Uma ngicabanga ukuthi nginezango lokuguqula i-3m 88cm). Kodwa ngakolunye uhlangothi, ngichitha amasonto amabili nge-self cutting / welding / imidwebo / umhlangano wesango. Lesi sikhathi esichitha ezithakazelweni zezemidlalo funda ukupheka. Yebo, konke kwaphumela ezingeni lika-master master. Kodwa manje - ngingathanda ukunikeza u-1500-2000 UAH ngomsebenzi wenkosi ozoyenza ezinsukwini ezingu-4 kunokuchitha isikhathi sami. Noma kunjalo, angizisoli ngesikhathi esichithekile, ngoba ngidinga ukuthola amakhono amancane okukhishwa kwe-arc, futhi ukukhwelisa nokufaka isango kuyinto isifundo esihle.
Lukas
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