I-Intral 625 2.4856 N06625 I-Tubing yentsimbi

Intsimbi engenasimo yi-alloy yentsimbi enganyangekiyo. Inama-11% chromium kwaye inokuqulatha izinto ezinjengekhabhoni, ezinye izilwanyana kunye nezinyithi zokufumana ezinye iipropathi ezinqwenelekayo. Ukuxhathisa intsimbi engenasithukuthezi kwiziphumo zokusula kwiChromium, nto leyo eyenza ifilimu eguqukayo enokukhusela izinto kwaye aziziphilise izinto zeoksijini.

I-nickel alloy i-Interney ye-UNOLT 625 | I-SICKIT # N06250 yi-nickel supelloy enepropathi yamandla aphezulu, ukumelana nobushushu obuphezulu, kunye nokukhusela i-oxidation enkulu kunye nokhuseleko olukhulu.
Iipleyiti zentsimbi ye-alloy kunye neekhiliki

Isabelo-lelaza-e-Iron-Counckel-Cobarty-Cobart, Yiba ne-Navar Alflic, ube nolwandiso lolwandiso lwe-thermar of thermar olinganayo neglasi yeglasi

I-A240 yohlobo lwe-A240 ye-2205 ipleyiti ipleyiti yentsimbi engenasitali esetyenziswa kakhulu kumashishini ahlukeneyo anjengokuqhubela phambili kwemichiza, ioyile kunye negesi. Iphepha le-SA 240 Gr 2205 yenziwe kwiBanga lama-2205 lentsimbi engenasibala, elindibaniselwano yentsimbi ye-ferric kunye ne-austentitic.

I-ASTM A182 F53 F53 F53 F53 FREX FLUDS ifumaneka ngeklasi yamanqanaba ayi-150

I-Dotelloy B3 yi-nickel-molybdenum ye-Allow enokungaxhathisi kakhulu kwi-stare-stucking, igibisela, ukusula, ukusula kunye nokuzinza okuphezulu kwe-alloy b2.

I-Nickel Alo Alloty engama-400 kunye nemoni engama-400, ekwabizwa ngokuba yi-N04400, yi-gucy ye-huckile-olwe-olwe-of thecker-esekwe kwi-nicker-thewores. I-Nickel Alo Allo of 400 yaziwa ngokuba yixhathiso lwayo kwiimeko ezahlukeneyo, kubandakanya i-Alkalis (okanye i-AIDS), amanzi ityuwa, i-SULDFUORIC Acid, kunye ne-sulfuoric acid. Ukususela kwimowango engama-400 okanye i-Alod 400 yintsimbi ebibandayo esetyenzisiweyo, eli alloy linobuqili obukhulu, ukuqina kunye namandla. Ngokubanda ukusebenza kwe-ASTM B164 I-N04400 i-Bar ye-N04400, i-alloy iphantsi kwamanqanaba aphezulu oxinzelelo loomatshini, onokuthi ubangela utshintsho kulwakhiwo luka-Abrey.

Kuyakwazi ukumelana nodidi olubanzi lweekhemikhali ze-oxiding kunye nokungabi nakuphathelele ukuchasana nokuchasana nokuhlaselwa kunye nokuhlaselwa kwe-ravice phambi kobukho be-chloride kunye nezinye iindlela zokuhamba.

I-316l 1.4401 S31601 i-Stainess yentsimbi yindlela yokhetho lombhobho kunye nomoya oqinileyo oqhelekileyo oqhele ukusetyenziswa kwoluhlu olubanzi lwezicelo ezivela kwimizi-mveliso nezorhwebo. Le phuli ye-SS3603 yenziwe kumgangatho ophezulu we-316l yentsimbi enyaweni ngokuchasene ne-oxidation kunye ne-staining yendawo enobunzima okanye iZicelo eziPhakamileyo.

Iipayipi ezingama-254 zinokumelana noxinzelelo oluphezulu lwendlela kunye ne-Alloty i-254 ye-pump ye-pump yoxinzelelo kwiqondo lobushushu kunye nezixhobo.

Imoral 400 okanye ikwabizwa ngokuba yiNickel-Popper 400 sisisombululo esomeleleyo esabela ukuba sisixhobo esiphezulu esinokusetyenziswa ngaphezulu koluhlu lobushushu obubanzi. Ikwanokuchasana nokuxhaphaza okugqwesileyo kwaye ineezicelo kwiindawo ezininzi kwi-marine kunye nokuqhubekeka kwamachiza. Isetyenziswa kwizicelo ezinjengeevalve, iimpompo, iitanki zamanzi amatsha kunye ne-shafters yomthengisi.

Ukuxinana kukaTitanium malunga ne-60% ye-Affel engenasitali kunye ne-neckel alloy, obu boyili bobunzima buyenza ukuba ifundwe kwizicelo ezizeleyo njengee-aerospace.

Ukuze udlulisele umbhobho, kuyimfuneko ukususa i-hose ethe tye ngombhobho. Xa usebenzisa imibhobho eyahlukeneyo, kufuneka isetyenziswe ngemibhobho eyahlukeneyo. Xa kusetyenziswa umbhobho, i-elbow kufuneka isetyenziselwe ukutshintsha ubungakanani bombhobho. Xa ukubhabha, umbhobho weendlela ezintathu kusetyenziswa xa i-pipeling eyahlukeneyo ye-pipeling kunye nokwanda kokuhamba kwexesha elide kunye nokwandiswa komgangatho obandayo kunye nolwandiso olubi kakhulu kunye nolwandiso olubandayo olusetyenziselwa ukunxibelelana nombhobho. , Ekuqhagamsheleni nezixhobo ezahlukeneyo, kukho i-quadriday kunye neeplagi zesigaba sesixhobo.

A789 ASTR3803 kwaye angabi-S32205 ngamabakala amabini e-upplex engasetyenziswanga ngokubanzi kwizicelo ezahlukeneyo zemveliso. Ezi pumplex ze-duplex s31803 zaziwa ngokuchasene nokunganyangekala kwabo okuhle, amandla aphezulu, kunye nokwanela kakuhle. I-A789 yinkcazo egubungela iityhubhu ezingenamthungo nezinebhulethi ezenziwe ngentsimbi engenasibala.

I-Deppex i-Steel
I-Nickel esekwe kwi-800 ye-hexagonal yombhobho owaziwayo ukuba uxhathise kakuhle ukungangqinelani. Ngokukhethekileyo ukuthetha, umbhobho we-play 800 unika ukumelana ngokwaneleyo ngokuchasene ne-carbring kunye ne-corosion ye-oxivide.

I-Stainess Shonges
I-nickel 200 flanes
I-ANDI B16.5 Slip Slip kwiFlangel i-Flange luhlobo lweflethi oluvumela imibhobho ukuba icinywe kwiflethi kwaye yenza uqhagamshelo kwindawo echanekileyo.
Iibhayini zensimbi ye-carbon kunye neerowu

Imibhobho yentsimbi engama-316 iye yaba zizixhobo ezinokubonakala kwicandelo lemizi-mveliso. Olu lwabiwo lwesinyithi kunye ne-chrome ibonwa ngokunyangeka kwayo phezulu ekucocekeni, kunye nokuqina kwayo. I-316 ityhubhu yentsimbi engenasitali inokuveliswa kuzo zombini iityhubhu ezingenamthungo kunye ne-weldied ukuhlangabezana neemfuno ezithile zabathengi.

Ngaphandle kwamandla ayo, i-titanium isebenza ngokulula. Olu phawu ludityaniswe namandla alo, ukuqina, ukuqina kunye nokunyibilikisa okuphezulu kuyenza ibe yintsimbi efanelekileyo yokusebenza.

Ukudityaniswa kwazo zonke izinto ze-bolt ze-10% yobunzima bentsimbi. Njengoko igama libonisa, iiBolts ze-HSLA ziqhutywa ngobushushu amandla aphezulu. Ezi ziheshers zihlala datile, zenza ukuba kube lula ukuba bakhangele kwaye babonakalise umatshini, ngelixa bebonisa ukunganyangeki okuphezulu kwe-corodion kunentsimbi eqhelekileyo.

I-2507 (engaphakathi kwe-S32750) yintsimbi engenasiseko eyenziwe ngentsimbi efunwa izicelo ezifuna amandla amakhulu kunye nokunganyangeki.

I-Nickel 200 flanges i-Nickel Fuffes ezingama-200 iqine, izinzile, kwaye inesigqibo esihle. Ngaphezu koko, i-ASTM B564 i-N064 i-H02200 iflethi inganyangeki ukuba iyoliswa kwiindawo ezingathathi hlangothi, ezenza bagqibelele ukuze basebenzise izixhobo zokuphatha ukutya.

I-Attelloy enganyangekiyo i-Corrosion isetyenziswe ngokubanzi ngamashishini okuqhuba iikhemikhali. Isidingo sentsebenzo esinokuthenjwa sikhokelela ekukhuleni nasekukhuleni kweenkalo zamandla, ezempilo kunye nokusingqongileyo, ioyile kunye negesi, amayeza kunye neflimu yegesi.

I-ASTM A312 i-T36 yi-T316 luhlobo oluqhelekileyo lokufumana i-lamy, ethe tye-selded, kwaye ebandayo kakhulu e-Austeditic Stainess Stainess esetyenziswe kwiqondo lokuhlala eliphezulu kunye neenkonzo ngokubanzi zoncedo. Umbhobho wentsimbi wama-316 ongenamizi-mveliso yenziwa kwindibaniselwano ye-chromium, i-nickel, nase molybdenum, enika i-SS 316 ityhubhu ityhubhu inyangeka kakhulu ekucocekeni nasekucoceni.

Imibhobho yokuqwalaselwa engenamthungo inomthamo ophakamileyo wokuthwala umthwalo kunye namandla amanye amabakala.

Ilungelo lokushicilela © Zhengzzhou Huitong Izixhobo

I-Alloy 800 yi-nickel-chromium ye-chromium-chromium enamandla aphezulu kunye nokuxhathisa ngokugcoba kwi-oxidotion kunye ne-comrosion kumaqondo obushushu aphezulu. I-ASTM B407 AN08800 I-Acloy 800 W. NR. I-1.4876 ye-Welding isetyenziselwa ngokubanzi ukwakhiwa kwezixhobo ezifuna ukumelana nobushushu, ukumelana nobushushu, amandla, kunye nokuzinza kwenkonzo ukuya kwi-1500 ° F (816 ° C).

I-Alloty 800 Intamo ye-Wool Shounges Sinodumo olunamandla sinemveliso yokuvelisa ukuqaqamba okusemgangathweni weentlobo ezahlukeneyo eziya kuhambelana neemfuno zabaxumi bethu. Senza i-flaves engathandekiyo engama-800 enokuthenjwa kwaye iphezulu kumgangatho. Sisebenzisa izixhobo zeprimiyamu kunye noomatshini abaphambili bokuvelisa i-ASTM B564 AN08800 I-Acloy 800 Fufxees.

I-Innel 625 2.4856 I-Pipe kunye ne-Spool Imizobo yokunganyangeki kuluhlu olubanzi lweendawo ezinobunzima

I-Alloy 317l inesichaso sokunganyangeki kuluhlu olubanzi lweekhemikhali. Ibuyise ukuhlasela kwi-sulfuric acid, i-acidic chlorine kunye ne-phosphoric acid.

I-C-276 Alloy ichasene nokuchasana ngokugqwesileyo ekuthandeni nasekunyanzeleni koxinzelelo-ulusu. Yenye yezixhobo ezimbalwa ezinokwazi ukunyamezela iziphumo ezibonakalayo zegesi ye-chlorine emanzi, i-hypochlorite, kunye ne-chlorine diokside.

I-Dotelloy C2000 Iityhubhu zisetyenziswa kuluhlu olubanzi lwamashishini kubandakanya ukuqhubekeka, izixhobo zokuqhubela kwemichiza, i-oyile kunye nezityalo zamandla.

I-ASME B36.19m yindlela esemgangathweni yemibhobho yentsimbi engenasitayile, echaza imibhobho, unyamezelo, kunye neemfuno zokwenza imibhobho ye-weldided kunye engenamthungo.

Nickel alloy incoloy seamless pipe tube price 800 800H 800HT N08800 N08810 N08811

I-Dotelloy C2000 ifumaneka kubungakanani beempawu kunye nobungqingili, olu hlobo lwe-nickel-chromium-molybdenum ludume ngamandla alo oluphangaleleyo kunye nokungaxhathisi.

I-316l elbow ivavanywa kakuhle kwiiparameter ezahlukeneyo. I-Stainess Steel 316l ye-scuteweld ye-elbows zihlala ihleli kwaye ziyahlala kakhulu kukosuleleka.

Zonke izinto zethu ze-internelles ezingama-600 ezityhidiweyo zihambelana nezinto ezifanelekileyo kunye neenkcazo eziphezulu kwaye zinokunikwa izatifikethi zezinto ezibonakalayo kwi-En 10204 3.1.

I-Intloy 800 imivalo yenye i-nickel-chromium ye-chromium-chromium echasene nobushushu obuphakamileyo kunye nokususwa.

Inkqubo yentsimbi engenasitayile yimveliso yokhetho lokuthathwa kokutsala i-fallids okanye i-scounder fluaids, i-sutorries kunye neegesi, ngakumbi apho uxinzelelo oluphezulu, amaqondo obushushu aphezulu okanye amaqondo obushushu aphezulu abandakanyeka. Ngenxa yepropathi yobuhle yentsimbi engenasitali, umbhobho ihlala isetyenziswa kwizicelo zoyilo.

Ibakala lama-2205 le-Dudex ngaphandle kokufuna amanqanaba aphezulu eNikel okanye i-molybdenum. Oku kuthetha ukuba yindlela ephantsi kwexabiso eliphantsi kune-austicoitic yentsimbi engenazidingo ezifanayo.

I-Nin Alloy 36, W.nr 1.3912, ugqirha we-36 ® yi-nickel-intsimbi enolwandiso olune-36% ye-nickel, i-chacelin enolwandiso olunama-36% kwaye inesitayile se-therble yentsimbi.

Amandla awo aphezulu aphakamileyo athetha ukuba ubukhulu obuncitshisiweyo bunokusetyenziswa kwizicelo ezithile, kwaye ezi zinto zokonga zinokuthetha iindleko eziphantsi okanye ukunciphisa umzimba.
I-S32750 S32760 Super Dupplex ye-Staines yentsimbi kunye ne-Pipes egqwesileyo yaseKhaya

I-UNOLD 600 Ibar ye-UNCEL ye-nickel-esekwe kwi-begn ye-Bign ye-Bicen kunye nokunganyangeki kwe-corosion egqwesileyo kumaqondo obushushu aphezulu. Imivalo ye-UNIRD engama-600 isebenza ngokuchasene nokomile CL2 kunye nezinye iigesi ezininzi ezahlukileyo kubushushu obuthambileyo kunye nobushushu obuphezulu. I-Allod 600 Bar ibar-chromium ye-neckel-chromium ye-Allomium-i-Allomion elungileyo kunye nokuxhathisa kwi-chloride yoxinzelelo lwe-chloride, i-ocid yosulelo kumaqondo obushushu aphezulu.
Wabona i-lsaw Efw Efw
Intsimbi ye-alloy
isiLithuwaniya
Vietnamese
isiKriyoli saseHayiti
I-alloy yentsimbi kunye netyhubhu
I-316l 310s 321 i-steiness yentsimbi
I-nickel allous flames
I-stainess yentsimbi kunye netyhubhu
Ubungakanani "OD: 1 \ / 2" "~ 48" "" "" "" "" "" "" "" "" ""
\ / 5 ngokusekwe

Ii-Bynet ezingama-625 zisetyenziswa ikakhulu kwizicelo zokupholisa ngokuhamba nge-cyclic kunye nokufudumeza. Ziluncedo kwizicelo zombane zokunganyangekiyo. Iibhotile zisetyenziswa kwizindlu zeenjini, izakhiwo zobusi kunye nemigca ye-hydraulic
Den125 N08367 igcwele intsimbi engenasinqwazi
I-Pass Englity 800 bar igcina ubume bayo bokuzimamela emva kobushushu obuphakamileyo
I-A335 yombhobho we-PA11 ye-PO11 ngumbhobho we-fertic of ficric of staic. Ityhubhu yi-chrome molybdenum. Ubukho bezi zinto zimbini kwi-SA335 ye-PA11 ye-P11 ye-P11 ye-P11 ye-PATION.
Irish

I-ASTM B443 i-N06625 iplate ye-UNITE I-PREAL 625 COALRERER
I-Dotelloy C276 i-bolts ejikeleze i-bolts ngexhathiso eligqwesileyo kwi-comrosion ngexesha le-welding
Imivalo yentsimbi ye-alloy kunye neentonga
I-Deplex nge-Flange ikwabonelela kakuhle kunye nokusebenza, ukufunxa kwamandla aphezulu kunye nokwandiswa okuphantsi komhlaba.
I-Alloty 625 I-Indel ye-BOLLY i-N025 engalunganga i-HITA ye-hex bolt nyani din933

I-ASTM A312 Icaciswe i-Aisi 304 I-Aisi I-Aipe ye-Aisi 304 yenzelwe ukuhlala kwayo ukuze izicelo azibandakanyeki kuphela iimeko zobushushu obuphezulu kodwa nakwizicelo zoncedo ngokubanzi

I-carbon yensimbi yensimbi ye-A234 WPB ibonelela ngesicelo semizi-mveliso njengeendlela zokwenza imichiza, i-boiler kunye nemveliso yempahla, izinto ezisebenzayo, ezinye izinto ezininzi.

I-Presemas 36 ® yi-nickel-iron, isabelo esisezantsi esine-36% uNickel, uGeser 36 unelungelo lobushushu baseSrygenic ukuya malunga ne + 500 ° F (i-260 ° C).

I-Carbon Graings iGqibeleleyo, yenziwe ngokungqinelana ne-ASTM A105, isetyenziselwa izicelo zokulinganisa. Ezi zinto ze-carbon ye-carbon yentsimbi (kubandakanya i-flanes, i-Fitlengs, kunye neeValves, njl njl) zisetyenziselwa inkonzo yobushushu be-AMVI I-A105n, ekhethwe ngesimamva se-¡° n¡ ±, ibonisa ukuba i-A105 yokutopha iya kufakwa kwimeko eqhelekileyo. Ukuba ukuxolela kusetyenziselwa ukusetyenziswa kwe-ASTVC okanye i-ASME B31, le nto iya kuba ifana nelingana ne-SA-105 okanye i-SA-105n. Ngamafutshane, unyango lobushushu lwezinto eziqhelekileyo ze-A105n ukusuka kwi-A105, okanye i-SA-105n ukusuka kwi-SA-105. I-ASTM A105 Inkcazo inokubandakanya amabakala ahlukeneyo ezinzuzo zentsimbi ezenziweyo. Iflethi yentsimbi yekharbon kwaye yenzelwe iinkonzo zobushushu eziphezulu.

Iityhubhu ezingama-600 ezingenamthungo ezingenamthungo zingama-N06600 kunye ne-ASTM B167 zenzelwa ukuba zixhase uxinzelelo oluphezulu kakhulu kwaye zize newaranti enkulu.

Oku kunika ukumelana nokuxhathisa kakhulu kwi-sulfuric acid. Ikwanomxholo ophezulu weChromium, ukukhulisa ukumelana kwayo ekuxhaseni iikhemikhasi kunye nemijelo yenkqubo engcoliseka nge-ferric ion kunye neoksijini echithileyo.

I-Stain yentsimbi 235ME ASTENTERS i-oftivers ebambe iinxalenye ezimbini okanye ngaphezulu ixesha elithile elithile. Inokukhululwa ngezinye izixhobo njengoko kufuneka zicoce umatshini. Ukomelela kakhulu, ibonisa amandla amakhulu esivuyi kunye neepropathi zoomatshini. Amanye amacandelo oShishino abasebenzisa oku kubandakanya ii-petrochemicals, iikhemikhali, izityalo ze-Thermal izityalo, ii-elektroniki, inqwelo moya kunye ne-aerospace, phakathi kwezinye. Sifumene abathengi abalungileyo emhlabeni wonke kuzo zonke iintlobo ezingama-253ma zensimbi.

I-PREGETE I-PROFIICS ishushu \ / Umsebenzi oshushu, ukuqengqeleka okubandayo

I-al 6xn i-supetnye yi-Aussitetic Al 6xn i-Austenatic, eyenziwe kwi-allob equlathe umxholo wekhabhoni ye-chromium, i-nickel kunye ne-molybdenum. I-al 6xn irhasi iyamelana nokunganyangeki kwi-chloride yoxinzelelo. I-al6xn i-allot yenziwa kwi-alloty eyintsimbi eyi-Super-Austentitic elawula i-crevice yosulelo, imbiza i-corrosion, i-chloride-ye-chloride-ikhutshelwe i-corosion kunye ne-colososion ekhuthazayo. Ikwaxhathisa i-alkaline kunye nezisombululo zetyuwa, zikhusela iimveliso ezivela kwi-intsimbi yongcoliseko lwensimbi kwaye ithintela ukususwa kweenkqubo zokuhambisa.

I-Nickel-calper-esekwe kwimodeli engama-400 ye-400 ye-2.4360 ukubanda irhabaxa ingenalo i-chloride enxulumene nokubhloka kwe-chlorive yoxinzelelo xa ityhilwe kwimithombo yoxinzelelo. Imoral 400 i-copper kunye ne-nickel ye-nealy esule namhlanje ngenxa yokusebenza kwayo ephezulu. I-alloy ine-acid egqwesileyo kunye ne-alkali. Ukongeza, inamandla amanye amanye amanxuwa, ukuqhutywa kwengqondo okuphezulu, kwaye kunokuba nzima ngumsebenzi obandayo. Ukongeza, inokusetyenziswa kwizicelo ezinamaqondo obushushu asusela kwi-thamo ukuya kwi-538 degrees Celsius.

I-UNOLL 625 COIC ibonakaliswa kukungaxhathisi ngokugqwesileyo kwi-oxidation, kwiqondo lokushisa eliphezulu kunye nokudinwa. I-ASTM B443 ipleyiti ye-N06625 isetyenziswe ngokubanzi kwi-Aerospace, ukuqhubekiswa kweekhemikhali kunye nemizi-mveliso yeoyile kunye negesi ngenxa yamandla ayo aphezulu, ukuqina kunye nokuqinana nakwimeko ezigqithisileyo.
I-Intloy 800H Fonger Sinombala oqinileyo weshishini ngokuvelisa ukuqaqamba okusemgangathweni weentlobo ezahlukeneyo eziza kulungela iimfuno zabaxumi bethu. Senza i-flaves engathandekiyo engama-800 enokuthenjwa kwaye iphezulu kumgangatho. Sisebenzisa izixhobo zeprimiyamu kunye noomatshini abaphambili bokuvelisa i-ASTM B564 AN08800 I-Acloy 800 Fufxees.
I-al6xn yintsimbi ye-suprausitic ye-scainess engaqhelekanga ngokuchasene ne-chloride pide, i-crevice yosulelo kunye noxinzelelo lokungasebenzi. I-al6xn yi-6 ye-for moray eyaphuhliswa kwaye isetyenziswa kwiindawo ezinomsindo. Ine-nickel ephezulu (i-24%), i-molybdenum (6.3%), iziqulatho ze-nitrogen kunye ne-chromium kunye ne-chromium kunye ne-chromium kunye ne-chromium kunye ne-chiromium kunye ne-chloride publity, kunye nokunganyangeki kwe-chloride. I-al6xn isetyenziselwa ngokuyintloko iphuculwe i-wirvice yokungakhathali kunye nokunganyangeki kwe-cravice kwi-chlolor. Yintsimbi engenasimo sengqondo esisebenzayo neliyisinga.

Imibhobho ye-inflel inesidima esihle sokunganyangeki kwinkonzo ye-870 degree C kwaye kwinkonzo eqhubekayo ukuya kwi-925 deger Cress Creen Can I-Expeeds isetyenziselwa izabelo eziqhelekileyo ze-iron.

Ibonisa ukunganyangeki okuhle kunye nokucutha iindawo ezinqabileyo. Eli babele le ladala itayitile yesidima, ifilimu yokukhusela engaphumi, kodwa igcina ukunganyangeki okukhulu kwe-oxidation Ekunyangeni ekuhlaleni.

I-Asme B16.48 I-Altelloy Altdy C2000 ALTES STORD ALDESS ALTESS ALTESS ALTDY C2000 ALTE DEEDS

Isetyenziswe ngokubanzi kwi-oyile yeoyile ye-oli

I-HT Pipe yinkokeli yeshishini elingafunekiyo, ehambisa olona candelo libanzi kunye ne-inventri ye-carbon yentsimbi, kubandakanya ii-bolts, amantongomane, isikroba se-cap sabo bonke ubungakanani, kubandakanya onke amabanga. Iphothifoliyo ebanzi yemveliso egubungela yonke imiba kunye neemfuno zeshishini, ukubonelela ngeemveliso ezisemgangathweni onokuthi uzisebenzise ngokuzithemba