Umhlinzeki Wethangi Lezimboni: Imigomo Yokukhetha Yomsebenzi Wenqubo Namanzi
Khetha umhlinzeki wamathangi ezimboni ngokuhambisana nomsebenzi: izimo zenqubo okufanele bazibhekane nazo, izindlela zokwakha abanazo, kanye nekhono lokumboza noma lokufaka ulwelwesi oludingwa uketshezi. Funa uhlelo lwekhwalithi oluhambisana ne-ISO 9001 ngokushisela ngokwe-AWS D1.1 nokumboza ngokwe-AMPP SP 16, futhi usebenzise isethi yemibhalo ukuhlukanisa umakhi wamathangi kumhwebi ngaphambi kokunikezwa kwesivumelwano.
Isingeniso
Ukukhetha umhlinzeki wamathangi ezimboni kuqala ngomsebenzi, hhayi ngukhathalogi. Ithangi lenqubo eliphethe uketshezi olugqwalayo noma oluzwela izinga lokushisa kanye nethangi lokugcina amanzi elisebenza emsebenzini wokuvikela umlilo noma wokwengeza kuyizinkinga zokukhetha ezihlukene, futhi umhlinzeki oqinile kwenye akafaneleki ngokuzenzakalela kwenye. Umbuzo wokukhetha ukuthi umhlinzeki angakwazi yini ukubhekana nezimo ezibekwa uketshezi futhi abhale phansi ithangi eliwumphumela, ngakho isinyathelo sokuqala ukuchaza umsebenzi ngokunemba.
Kusebenza imithetho emibili. Izinga lokulinganisa akusona isitifiketi: umhlinzeki angase agcobe nge-AMPP SP 16 noma ashisele nge-AWS D1.1 ngaphansi kohlelo lwekhwalithi lwe-ISO 9001 ngaphandle kokuba nohlu lwemikhiqizo, futhi kufanele uqinisekise ububanzi. Futhi ubufakazi obubalulekile umbhalo okhiqizwa futhi usayinwe umhlinzeki, hhayi isimangalo esisiphakamisweni.
Ukuhlela ukukhetha ngomsebenzi
Hlela ukukhetha ngokubhala umsebenzi ngaphambi kokuba ubhale umbuzo. Umsebenzi uwuketshezi, ukwakheka kwawo kanye nezinga lokushisa, ingcindezi yokusebenza uma ikhona, umthamo kanye nokushintshwa, ikhodi elawulayo, kanye nomsebenzi owenziwa yithangi - ukugcina kwenqubo, ukuvikelwa komlilo, amanzi aphuzwayo noma amanzi abuyisiwe. Amathangi amabili anomthamo ofanayo kodwa umsebenzi ohlukile ayizinkinga zokukhetha ezihlukile, futhi umhlinzeki kufanele afanelekele lowo onawo ngempela.
Ukuhlelwa kubuye kubeke isidingo semibhalo. Ithangi lokuvikela umlilo liphendula ku-NFPA 22 kanye nesethi yayo yezahluko; isitsha somfutho siphendula ku-ASME BPVC Section VIII; ithangi lamanzi liphendula ku-AWWA D100 noma D103. Umhlinzeki omkhethayo kufanele akwazi ukuletha isisekelo somklamo kanye namarekhodi okudingwa yilokho ngakunye, ngakho ukuhlelwa komsebenzi nakho kuyisimo sokufaneleka, futhi kokubili kufanele kubhalwe ndawonye hhayi ngokwehlukana.
Izimo zenqubo umhlinzeki okufanele azibhekane nazo
Izimo zenqubo umhlinzeki okufanele azibhekane nazo ziqala ngamakhemikhali oketshezi kanye nebanga lokushisa, ngoba zinquma into emanzi kanye nokufakwa kwesembozo. Umhlinzeki ofanelekile wamanzi anomusa akafanelekile emfudlaneni onasidi noma onesinye isisombululo ngaphandle uma engakhombisa i-alloy, izinga lesembozo kanye nobufakazi bokuhlolwa kwalezo zimo. Cela isisekelo sokugqwala kanye nensizakalo eyisibonelo, hhayi igama lezinto elijwayelekile.
Ingcindezi kanye nezinga lokushisa ndawonye kunquma ikhodi yokuklama. Ithangi elingaphezu kwengcindezi yomkhathi lisuka ku-AWWA liye ku-ASME BPVC Section VIII, futhi umhlinzeki kufanele abonise ukuklanywa kwesitsha sokucindezela, ukuklanywa kwe-nozzle nokusekelwa, kanye nohlelo lokuhlola. Emsebenzini wamanzi izimo ngokuvamile zithambile, kodwa ukuvikelwa kokuqandisa, ukujikeleza kokushisa kanye nokuqukethwe okuhlabayo noma okunamandla aphezulu kusashintsha incazelo, futhi umhlinzeki kufanele akwazi ukukhuluma ngakho ngakunye esikhundleni sokuthatha ithangi elijwayelekile.
Izindlela zokwakha ezibalulekile
Izindlela zokwakha ezibalulekile zincike emsebenzini kanye nomthamo. Ukwakhiwa okushiselwe ku-AWWA D100 noma ku-ASME BPVC Section VIII kufaneleka emithanjeni emikhulu kanye nezingcindezi eziphezulu, futhi umhlinzeki kufanele abe nezinhlobo zezinqubo zokushisela kanye neziqu ze-AWS D1.1 kanye nekhono lokuhlola okungabhubhisi. Ukwakhiwa okuboshiwe ku-AWWA D103 kufaneleka ekuhlanganiseni kwamaphaneli okwenziwe efektri kanye nezindawo ezikude noma zokwakha ngokushesha, futhi umhlinzeki kufanele abe nokumboza kwamaphaneli kanye nemininingwane yokuhlangana okuboshiwe.
Izindlela ze-glass-fused-to-steel kanye ne-fusion-bonded-epoxy zengeza i-coating evuthiwe noma eyelashiwe esigabeni sephaneli, okufanele umhlinzeki akubonise njengenqubo elawulwayo enobufakazi bokuhlolwa, hhayi njengokuqedwa okuthengiwe. Ama-alloy e-stainless kanye ne-exotic adinga ukuzilawula kwawo ekushiseleni nasekuhlanzekeni. Umhlinzeki onephethe izindlela ezingaphezu kweyodwa angaphakamisa eyona ilungile emsebenzini wakho esikhundleni sokusho leyo akwenzayo ukuthengisa, okuyinzuzo yokukhetha oyithengayo ngempela.
Ikhono lokumboza nokufaka i-lining
Ikhono lokumboza nokufaka izingqimba yisinqumo sokuvikela impahla. Emsebenzini wamanzi, ukuvikelwa kwangaphakathi kulandela umkhuba okubhekiselwe kuwo - isibonelo i-AMPP SP 16 yokuvikelwa kwangaphakathi kwamathangi okugcina amanzi - futhi umhlinzeki kufanele acacise ukulungiswa kwendawo, uhlelo lokumboza, ukujiya kwefilimu eyomile kanye nemfuneko yokuhlolwa kwezikhala, kanye namarekhodi okufakazela ukuthi iphaneli ngayinye noma umthungo ngamunye wahlolwa.
Emsebenzini wenqubo, ingqimba ikhethwa ngokuhambisana noketshezi, futhi umhlinzeki kufanele akhombise ukuhambisana, ukulawulwa kokusetshenziswa kanye nobufakazi bokuhlolwa. Umbuzo ohlukanisa ikhono ukuthi umhlinzeki uyayifaka futhi ayihlole yena ngokwakhe ingqimba futhi agcine irekhodi, noma uyikhiphela kwabanye ngaphandle kokugcina ubufakazi. Ingqimba umhlinzeki angakwazi ukuyifakazela iyingqimba ongeke uyifune ngaphansi kwewaranti, futhi ukukhethwa kufanele kuxazulule lokho ngaphambi kokunikezwa.
Ubufakazi obuhlukanisa umakhi wempahla kumhwebi
Ubufakazi obuhlukanisa umkhiqizi kumhwebi yisethi yemibhalo, futhi kufanele uyibuze ngesikhathi sokufaneleka hhayi ngesikhathi sokulethwa. Umkhiqizi ukhombisa izinqubo zokushisela kanye neziqu ze-AWS D1.1, inqubo yokumboza kanye namarekhodi okuhlola, uchungechunge lwesitifiketi sezinto zokwakha, kanye nesisekelo sokubala esigxivizwe emsebenzini. Umhwebi ukhwabanisa ithangi futhi abeke i-oda emshinini wokugaya kodwa akakwazi ukukhombisa lawo marekhodi, ngoba akawona.
Buza futhi ukuthi ubani osayina ini. Umkhiqizi uhlinzeka ngomklamo ogxiviziwe, amarekhodi ekhwalithi kanye nohlelo lokuhlola nokuvivinya olunamaphoyinti okubamba aqanjiwe; umhwebi ukudlulisela kwabanye abantu kokunye ngakunye. Umehluko wezindleko phakathi kwalaba ababili ungokoqobo, kodwa umehluko wengcuphe mkhulu kakhulu, futhi inqubo yokukhetha ikhona ukuze yenze leyo ngcuphe ibonakale ngaphambi kokuba imali inyakaze, hhayi ngemva kokwehluleka kokumboza emsebenzini.
Umhlangano wangaphambi kokukhiqiza
Umhlangano wangaphambi kokukhiqiza yilapho ububanzi obukhethiwe buqinisekiswa khona ngaphambi kokuba kuqale ukwakhiwa. Hamba imidwebo egunyaziwe kanye nesisekelo sokubala, izinqubo zokushisela nokugcoba, uhlelo lokuhlola nokuvivinya kanye namaphoyinti okumisa, uchungechunge lwesitifiketi sezinto zokwakha, ukulandelana kokwakhiwa kanye nohlelo lokulethwa nokumiswa. Konke okucatshangelwayo okuthathwe ekufanelekeni kufanele kuvalwe ephepheni kulo mhlangano.
Ngomsebenzi wezimboni umhlangano uphinde uqinisekise ukuxhumana kwenqubo: izinhlelo zama-nozzle, ukuxhumana kwezinsimbi zokulinganisa, ukufinyelela namapulatifomu, kanye nanoma yikuphi ukuxhumana namapayipi akhona. Lezi yizinto okungenzeka kakhulu ukuthi zidwetshwe ngokukhululekile esiphakamisweni futhi ezibiza kakhulu ukuzishintsha ngemuva, ngakho umhlangano wangaphambi kokukhiqiza iyindawo yokugcina eshibhile yokuzilungisa.
Imibandela yokuklomelisa
Nquma umklomelo ngesikolo esilinganiselwe ngomsebenzi, hhayi ngentengo eyinhloko. Linganisa izici ngobungozi umsebenzi othwala: ngomsebenzi wokuqothula noma ocindezelwe, amandla e-coating noma e-lining kanye nesisekelo sobunjiniyela kungase kudlule umehluko omncane wentengo, kuyilapho endaweni yamanzi engenabungozi, ukulethwa nentengo kungase kubuse.
· Ukufaneleka komsebenzi: ukuphathwa okubonisiwe koketshezi, izinga lokushisa nengcindezi.
· Indlela yokwakha: indlela efanele ephethwe futhi efakazelwe, hhayi nje ukucashunwa.
· Ukumboza nokufaka isembozo: kusetshenziswa, kuhlolwe futhi kwaqoshwa umphakeli.
· Ubunjiniyela: isisekelo sokuklama esibhekisela kukhodi nesheduli yokulayisha.
· Imibhalo: iphakethe eliphelele, elivaliwe futhi elisayiniwe.
· Ezentengiselwano: ukuhlukaniswa kobubanzi, ukuguquguquka, inkokhelo newaranti nezinto ezingafakiwe.
Ubudlelwano bangemva kokunikezwa
Ubudlelwano bangemva kokunikezwa kwesivumelwano buyingxenye yokukhetha, ngoba umhlinzeki omkhethayo yilowo ozombiza ukuze abe ngufakazi wohlelo lokuhlola nokuhlola, ukubuyisana kokwakhiwe kanye namarekhodi okunakekela kamuva. Gcina imigqa yokuxhumana echazwe esivumelwaneni: uxhumano olulodwa lwezobuchwepheshe, inqubo yokwazisa ngezindawo zokumisa, kanye nohlelo lokulethwa kwemibhalo oluhambisana nezigaba zokukhokha.
Ubudlelwano obuhle bangemva kokunikezwa kwesivumelwano futhi buvikela ukutshalwa kwezimali kwekhothi nokufakwa kwesembozo ngohlelo lokuhlola nokunakekela umhlinzeki okufanele alunikeze - uhlelo lwangaphakathi lokuhlola nokuhlanza, ukuhlolwa kwesimo sekhothi kanye nenqubo yokulungisa. Ukukhetha umhlinzeki obheka imibhalo yokunikezela njengento okufanele ilethwe, hhayi njengomusa, yikho okugcina ithangi lisesimweni esifanele kukho konke ukuphila kwalo kokusebenza.
Imigomo Yokukhetha Ngomsebenzi: Umsebenzi, Ikhono Elidingekayo, Ubufakazi
Umsebenzi / Isimo | Ikhono Lomhlinzeki Elidingekayo | Ubufakazi Obudingekayo |
Uketshezi olugqwalayo noma olune-solvent | Ingxubevange noma ulayini ohambisana nekhemistri; ubufakazi bokuhambisana | Isisekelo sokugqwala, izinga lokufaka ulwelwesi, inkonzo yereferensi yokuhlola |
Izinga lokushisa nengcindezi | Idizayini ebhekisela kukhodi; i-ASME BPVC Section VIII ngaphezu komkhathi | Isisekelo sokubala, ukuklanywa kwama-nozzle nokwesekwa, uhlelo lokuhlola |
Ukugcinwa kwamanzi | Ukumboza ngokwendlela ebekiwe; ukusetshenziswa okubhaliwe | Ububanzi be-AMPP SP 16, ukujiya, amarekhodi okuhlolwa kwe-holiday |
Ukuhlanganiswa kude noma ngokushesha | Ukuhlanganiswa kwamaphaneli ngamabhawudi ku-AWWA D103 | Ukumboza kwephaneli, imininingwane yokuhlangana ngamabhawudi, uhlelo lwezokuthutha |
Ukubanda noma ukujikeleza kokushisa | Isivalo, ukufakwa kwezinto zokuvikela noma ukuhlinzekwa kokushisa | Isahluko 15 noma 16 somklamo, indaba yokulawula |
Ukuqhathaniswa Kwendlela Yokwakha: Indlela, Lapho Isetshenziswa Khona, Ubufakazi Bekhono
Indlela | Lapho Kufaneleka Umsebenzi | Ubufakazi Bekhono |
Kushiseliwe (AWWA D100 / ASME VIII) | Amavolumu amakhulu, ingcindezi ephezulu, ukwakhiwa endaweni | I-WPS ne-WPQR ku-AWS D1.1, ikhono le-NDE |
Kuboshiwe (AWWA D103) | Amaphaneli asembozwe efektri, izindawo ezikude noma ezisheshayo | Umugqa wokugcoba amaphaneli, imininingwane yokuhlangana ngamabhawudi, indlela yokuhlola |
Ingilazi ehlanganiswe nensimbi | I-enamel yokugcoba evuthiwe esigabeni sephaneli | Inqubo yokushisa elawulwayo, ubufakazi bokuhlola ukugcoba |
I-epoxy ehlanganiswe nge-fusion | I-powder coating eselulisiwe esigabeni sephaneli | Ukulawulwa kokusetshenziswa, ukujiya namarekhodi ama-holiday |
I-stainless / exotic | Umsebenzi wokuhluza okugqwalayo | Ukuqeqeshwa kokushisela ingxubevange, uchungechunge lokuqinisekiswa kwezinto |
Inkomba yephrojekthi
Akukho nkomba yephrojekthi ehambisana nalesi sihloko erekhodiwe emtatsheni wamacala oqinisekisiwe, ngakho akukho ukufakwa okucashunwe lapha. Umhlahlandlela wakhiwe phezu kohlaka lokukhetha oluholwa umsebenzi olungenhla - izimo zenqubo, izindlela zokwakha, amandla okumboza nokufaka isembozo, nobufakazi bomakhi ngokumelene nomhwebi - umthengi awusebenzisa emanzini athile, kukhodi nasesizeni sephrojekthi esikhundleni secala elishicilelwe.
Mayelana ne-Center Enamel
I-Center Enamel (Shijiazhuang Zhengzhong Technology Co., Ltd.) iklama futhi yakha amathangi okugcina insimbi eboliwe, amathangi ensimbi ashiselwe, amathangi e-epoxy ahlanganiswe ngokuncibilika, amathangi e-galvanized, izitsha zensimbi engagqwali, izitsha zengcindezi, uphahla lwedome le-aluminium le-geodesic kanye nophahla oluntantayo. Inkampani inolwazi lokukhiqiza olungaphezu kweminyaka engama-30 futhi isihlinzeke ngemishini kumaphrojekthi emazweni angaphezu kwe-100. Uphahla lwedome le-aluminium le-geodesic luklanywa futhi lwakhiwe ngokwe-API 650 Appendix G, AWWA D108, i-Aluminum Design Manual, i-ASCE 7 kanye ne-IBC, futhi inkampani yathuthukisa futhi yathumela ngaphandle uphahla lwedome le-aluminium olungububanzi obungu-72 m ngo-2023. Ubunjiniyela, ukwakhiwa, ukugcotshwa, ukulawulwa kwekhwalithi kanye nensizakalo yasendaweni kusingathwa njengomsebenzi owodwa, yingakho imidwebo, isisekelo sokubala kanye nezingxenyekazi ezilethiwe zingavumelaniswa.
Imibuzo Evame Ukubuzwa
Ngikhetha kanjani umhlinzeki wamathangi ezimbonini?
Khetha ngokuhambisana nomsebenzi: bhala uketshezi, ikhemistri, izinga lokushisa, ingcindezi, umthamo kanye nekhodi elawulayo, bese ufanelekisa abahlinzeki ngezimo abangaziphatha, izindlela zokwakha abazinikezayo, kanye nekhono lokumboza noma lokufaka ulayini oludingwa uketshezi. Funa uhlelo lwekhwalithi oluhambisana ne-ISO 9001 ngokushisela ngokwe-AWS D1.1 nokumboza ngokwe-AMPP SP 16, futhi usebenzise isethi yemibhalo - inqubo, ukufaneleka, izibalo kanye namarekhodi okumboza - ukuhlukanisa umakhi wempahla kumhwebi ngaphambi kokuba ukhokhe.
Yiziphi izindlela zokwakha okufanele umhlinzeki abe nazo?
Imizila efanele ukuba nayo ihlanganiswe ne-AWWA D100 noma i-ASME BPVC Section VIII yemithamo emikhulu nengcindezi, iboshwe nge-AWWA D103 yokuhlanganisa amaphaneli okwenziwe ekhaya nasezindaweni ezikude, insimbi ehlanganiswe nengilazi noma i-epoxy ehlanganiswe ngokuncibilika lapho ukumboza kushiswa noma kwelashwa esigabeni sephaneli, kanye nama-alloy angenasici noma angajwayelekile emsebenzini wokugqwala. Umhlinzeki onemizila engaphezu kweyodwa angaphakamisa efanele umsebenzi wakho esikhundleni sokusho leyo ayidayisayo, okuyinzuzo yokukhetha oyithengayo.
Ngingahlukanisa kanjani umakhi nomhwebi?
Buza isethi yemibhalo ngesikhathi sokufaneleka: izincazelo zenqubo yokushisela kanye neziqu ze-AWS D1.1, inqubo yokumboza kanye namarekhodi okuhlola, uchungechunge lwesitifiketi sezinto zokwakha, kanye nesisekelo sokubala esivaliwe somsebenzi. Umakhi unikeza lezi futhi asayine uhlelo lokuhlola nokuhlola olunamaphuzu okumisa aqanjiwe; umhwebi ukudlulisela kubantu besithathu ngakunye futhi akakwazi ukukhombisa amarekhodi angewona awakhe. Igebe lengozi likhulu kunegbe lentengo, ngakho-ke lixazulule ngaphambi kokunikezwa.
Yikuphi ikhono lokumboza okufanele umhlinzeki abe nalo?
Ngokwensizakalo yamanzi ukuvikelwa kwangaphakathi kulandela umkhuba obhekiselwe kuwo njenge-AMPP SP 16 wokuvikelwa kwangaphakathi kwamathangi okugcina amanzi, futhi umhlinzeki kufanele acacise futhi aqophe ukulungiswa kwendawo, uhlelo lokumboza, ukujiya kwefilimu eyomile kanye nokuhlolwa kwe-holiday. Ngomsebenzi wenqubo i-lining ikhethwa ngokuhambisana noketshezi, ngobufakazi bokuhambisana nokuhlolwa. Funa ukuthi umhlinzeki asebenzise, ahlole futhi aqophe ukumboza ngokwakho, ngoba i-lining angakwazi ukuyibhala phansi i-lining ongeke uyifune ngaphansi kwewaranti.
Uyini umhlangano wangaphambi kokukhiqiza?
Umhlangano wangaphambi kokukhiqiza uqinisekisa ububanzi obukhethiwe ngaphambi kokuba ukwakhiwa kuqale. Hamba imidwebo egunyaziwe kanye nesisekelo sokubala, izinqubo zokushisela nokugcoba, uhlelo lokuhlola nokuvivinya olunamaphoyinti okumisa, uchungechunge lwesitifiketi sezinto zokwakha, ukulandelana kokwakhiwa kanye nohlelo lokulethwa nokumiswa. Emsebenzini wezimboni futhi qinisekisa izinhlelo zama-nozzle, izixhumi zezinsimbi zokulinganisa kanye nokuxhuma emapayipini akhona, ngoba lezi yizinto ezibiza kakhulu ukuzishintsha ngemva kokusikwa kwensimbi.
Isinqumo somklomelo kufanele sithathwe kanjani?
Umklomelo ngamaphuzu alinganiswe ngomsebenzi, hhayi intengo ephambili. Linganisa izici ngobungozi umsebenzi othwala: emsebenzini wokugqwala noma ocindezelwe, ikhono lokumboza noma lokufaka ulayini kanye nesisekelo sobunjiniyela kungase kudlule umehluko omncane wentengo, kuyilapho ekugcinweni kwamanzi okulungile ukulethwa nentengo kungase kubuse. Bhala isizathu ukuze isinqumo sivikeleke, futhi uphinde usho ububanzi, ikhodi, uhlelo lokumboza kanye nokulethwa kwemibhalo encwadini yomklomelo.
Yini okufanele kuvunyelwane ngayo ngaphambi kokuba ukukhiqiza kuqale?
Ngaphambi kokuthi kuqale ukukhiqizwa, vumelanani ngesisekelo sentengo nokuhlukaniswa kobubanzi, indlela yokushintsha yezinguquko zesizinda, izigaba zokukhokha ezixhumene nentuthuko ebhaliwe, kanye newaranti kanye nokumbozeka kwayo nokungafakwa kwayo. Qinisekisani imigqa yokuxhumana - othintana naye kwezobuchwepheshe, inqubo yokwazisa ngezindawo zokumisa kanye nohlelo lokulethwa kwemibhalo - futhi valani zonke izicabango zokufaneleka ngokubhaliwe emhlanganweni wangaphambi kokukhiqiza ukuze izinguquko zakamuva zibe izinguquko, hhayi izimanga.
Isiphetho
Ukukhethwa kwamathangi ezimboni kuyinkinga eholwa umsebenzi: uketshezi, izinga lokushisa, ingcindezi kanye nekhodi elawulayo kunquma ukuthi yimuphi umhlinzeki ofanelekile ngempela, futhi indlela yokwakha kanye nekhono lokumboza noma lokufaka ulwelwesi kuwubufakazi obukufakazelayo. Umhlinzeki onendlela efanele futhi osebenzisa, ohlola futhi oqopha ukumboza kwakhe ungumakhi ongambamba nomklamo, hhayi umhwebi omthola ngemuva kokwehluleka.
Linganisa umklomelo ebungozini yomsebenzi, vala ububanzi emhlanganweni wangaphambi kokukhiqiza, futhi uphathe imibhalo yokudlulisela njengento ekhishiwe evikela impahla isikhathi sayo sokusebenza. Sithumele umsebenzi wakho, ikhodi elawulayo kanye nemikhawulo yesiza, futhi sizobuyisela uhlaka lokukhetha kanye nephepha lokuqhathanisa ongalikhipha, kanye nohlelo lokumboza kanye nobubanzi bemibhalo okushiwo ngokusobala esikhundleni sokucatshangelwa.
Khuluma Nethimba Lethu Lobunjiniyela
Thumela umsebenzi, isisekelo somthamo, ikhodi elawulayo kanye nemikhawulo yesiza, futhi ithimba lethu lobunjiniyela lizobuya nencazelo umhlinzeki angayikhokhisa kanye nomhloli angayivumela. Sizokutshela futhi ngokusobala lapho uhlobo oluhlukile lwethangi noma ububanzi obuhlukile kuyimpendulo engcono.