Isishwankathelo
Uhlalutyo lubonisa ukuba izinto ezichaphazela ukunamathelana phakathi kwempumlo yangaphakathi kunyeivalvuikakhulu ziquka ukuphathwa kunye nokugcinwa kweevalvu, ukwenziwa kwerabha ye-nozzle yangaphakathi kunye nokuguquguquka komgangatho, ulawulo lwe-inner nozzle rubber pad vulcanization, inkqubo yokusebenza kunye nemeko yemveliso, ukulungiswa kwe-inner nozzle rubber pad kunye ne-inner tube vulcanization, njl., ngokuphathwa ngokufanelekileyo kunye nokugcinwa kweevalvu, ulawulo lwe-inner nozzle compound ukwakheka kunye nokuguquguquka komgangatho, ukuzinziswa kwe-inner nozzle rubber pad vulcanization, ukusebenza okungqongqo kwenkqubo kunye nokugcinwa kwendalo, ukulungiswa kwe-inner nozzle rubber pad kunye ne-inner tube vulcanization ukuhlangabezana neemfuno zenkqubo. Imeko kunye nezinye iindlela zinokuphucula ukunamathelana phakathi kwe-inner nozzle rubber kunye ne-valve kwaye ziqinisekise umgangatho we-inner tube.
1. Impembelelo kunye nolawulo lonyango lwe-valve nozzle kunye nokugcinwa kwayo ekunamatheleni
Iivalvu yetayarayinxalenye ebalulekileyo yetyhubhu yangaphakathi. Ngokwesiqhelo yenziwe ngobhedu kwaye iqhagamshelwe kwi-inner tube carcass iyonke nge-inner nozzle rubber pad. Ukunamathelana phakathi kwe-inner nozzle kunye nevalve kuchaphazela ngokuthe ngqo ukusebenza kokhuseleko kunye nobomi benkonzo yetyhubhu yangaphakathi, ngoko ke kufuneka kuqinisekiswe ukuba ukunamathela kuyahlangabezana neemfuno ezisemgangathweni. Kwinkqubo yokuveliswa kwetyhubhu yangaphakathi, ngokubanzi kudlula kwiinkqubo ezinje ngokucola ivalve, ukukrwela, ukomisa, ukulungiswa kwe-inner nozzle rubber pad, i-raber pad kunye ne-valve vulcanization kwi-mold efanayo, njl. Hlamba iglu, uyomise kwaye uyilungise kwi-inner tube tube eneembobo de i-inner tube efanelekileyo ivulcanized. Ukusuka kwinkqubo yokuvelisa, kunokuhlalutywa ukuba izinto ezichaphazela ukunamathelana phakathi kwe-inner nozzle kunye nevalve ziquka ikakhulu ukucutshungulwa kunye nokugcinwa kwevalve, ukwenziwa kwerubber ye-inner nozzle kunye nokuguquguquka komgangatho, ulawulo lwe-inner nozzle rubber vulcanization pad, ukusebenza kwenkqubo kunye nemeko yemveliso, i-inner nozzle rubber rubber. Ngokuphathelele ukulungiswa kwephedi kunye nokufakelwa kwetyhubhu yangaphakathi, amanyathelo afanelekileyo anokuthathwa ukulawula ezi zinto ziphembelelayo zingasentla, kwaye ekugqibeleni kufezekiswe injongo yokuphucula ukunamathelana phakathi kwempumlo yangaphakathi kunye nevalvu kunye nokuqinisekisa umgangatho wetyhubhu yangaphakathi.
1.1 Izinto ezibangela impembelelo
Izinto ezichaphazela ukunamathelana phakathi kwevalvu kunye nomlomo wangaphakathi ziquka ukukhethwa kwezinto zobhedu zokucubungula ivalvu, ulawulo lwenkqubo yokucubungula, kunye nokucubungula nokugcina ivalvu ngaphambi kokusetyenziswa.
Izinto zobhedu zokucubungula ivalvu zihlala zikhetha ubhedu olunomxholo wobhedu ophakathi kwama-67% ukuya kuma-72% kunye nomxholo we-zinc ophakathi kwama-28% ukuya kuma-33%. Ivalvu ecutshungulwe ngolu hlobo lomxube inamathela ngcono kwirabha. Ukuba umxholo wobhedu udlula ama-80% okanye ungaphantsi kwama-55%, ukunamathela kwi-compound yerabha kuncitshiswa kakhulu.
Ukusuka kwizinto zobhedu ukuya kwivalvu egqityiweyo, kufuneka idlule ekusikweni kwebha yobhedu, ukufudumeza ngobushushu obuphezulu, ukunyathela, ukupholisa, ukwenza imashini kunye nezinye iinkqubo, ngoko ke kukho ukungcola okanye ii-oxide ezithile kumphezulu wevalvu egqityiweyo; ukuba ivalvu egqityiweyo ipakwe ixesha elide kakhulu okanye ukufuma okungqongileyo Ukuba inkulu kakhulu, inqanaba le-oxidation yomphezulu liya kuba mandundu ngakumbi.
Ukuze kususwe ukungcola okanye ii-oxides kumphezulu wevalvu egqityiweyo, ivalvu kufuneka ifakwe umxube othile (ngesiqhelo i-sulfuric acid, i-nitric acid, amanzi acociweyo okanye amanzi angenaminerali) kunye nesisombululo se-asidi exineneyo ixesha elithile ngaphambi kokuba isetyenziswe. Ukuba umxube kunye noxinzelelo lwesisombululo se-asidi kunye nexesha lokuntywila azihlangabezani neemfuno ezichaziweyo, isiphumo sonyango sevalvu sinokonakala.
Khupha ivalvu ephathwe nge-asidi uze uhlambe i-asidi ngamanzi acocekileyo. Ukuba isisombululo se-asidi asilungiswanga kakuhle okanye asihlanjwanga kakuhle, siya kuchaphazela ukunamathelana phakathi kwevalvu kunye ne-compound yerabha.
Yomisa ivalvu ecociweyo ngetawuli, njl.njl., uze uyibeke ehovini ukuze yome ngexesha elifanelekileyo. Ukuba ivalvu yevalvu ephathwe ngeasidi ibonakalisiwe kwaye igcinwe ixesha elingaphezulu kwexesha elichazwe kwinkqubo, kuya kwenzeka i-oxidation reaction kumphezulu wevalvu, kwaye kulula ukubuyisela umswakama okanye ukunamathela eluthulini, kwioyile, njl.njl.; ukuba ayisulwanga kakuhle, iya kuba kumphezulu wevalvu emva kokoma. Yenza amabala amanzi kwaye ichaphazele ukunamathelana phakathi kwevalvu nerabha; ukuba ukoma akuphelelanga, ukufuma okuseleyo kumphezulu wevalvu kuya kuchaphazela nokunamathelana kwevalvu.
Ivalvu eyomileyo kufuneka igcinwe kwi-desiccator ukuze umphezulu wevalvu uhlale womile. Ukuba ukufuma kwindawo yokugcina kuphezulu kakhulu okanye ixesha lokugcina lide kakhulu, umphezulu wevalvu unokuba ne-oxidized okanye ufunxe umswakama, nto leyo eya kuchaphazela ukunamathela kwi-compound yerabha.
1.2 Amanyathelo okulawula
La manyathelo alandelayo angathathwa ukulawula ezi zinto ziphembelelayo zikhankanyiweyo apha ngasentla:
(1) Sebenzisa izinto zobhedu ezinamathele kakuhle kwirabha ukuze ucubungule ivalvu, kwaye izinto zobhedu ezinomxholo wobhedu ongaphezulu kwe-80% okanye ngaphantsi kwe-55% azinakusetyenziswa.
(2) Qinisekisa ukuba iivalvu zebhetshi efanayo kunye neenkcukacha zenziwe ngezinto ezifanayo, kwaye zenze ukusika, ubushushu bokufudumeza, uxinzelelo lokunyathela, ixesha lokupholisa, umatshini wokugaya, indawo yokupaka kunye nexesha lihambelane, ukuze kuncitshiswe utshintsho lwezinto kunye nenkqubo yokucubungula. Ukuncipha kokunamathela kwezinto.
(3) Yandisa amandla okufumanisa ivalvu, ngokubanzi ngokwesilinganiso se-0.3% yesampulu, ukuba kukho into engaqhelekanga, isilinganiso sesampulu sinokunyuswa.
(4) Gcina ukwakheka kunye nomlinganiselo wesisombululo se-asidi sonyango lwe-asidi yevalvu uzinzile, kwaye ulawule ixesha lokuntywilisela ivalvu kwisisombululo esitsha se-asidi kwaye uphinde usebenzise isisombululo se-asidi ukuqinisekisa ukuba ivalvu iphathwe kakuhle.
(5) Hlamba ivalvu ephathwe nge-asidi ngamanzi, uyomise ngetawuli okanye ngelaphu elomileyo elingasusi ukungcola, uze uyibeke e-oven ukuze yome ngexesha elifanelekileyo.
(6) Emva kokomisa, iivalvu kufuneka zihlolwe nganye nganye. Ukuba isiseko sicocekile kwaye siyakhazimla, kwaye akukho mdaka wamanzi ucacileyo, oko kuthetha ukuba unyango lufanelekile, kwaye kufuneka lugcinwe kwindawo yokomisa, kodwa ixesha lokugcina akufuneki lidlule iiyure ezingama-36; ukuba isiseko sevalvu siluhlaza okwesibhakabhaka, umbala otyheli omnyama kunye neminye imibala, okanye amabala okanye amabala amanzi acacileyo, oko kuthetha ukuba unyango aluphelelanga, kwaye kufuneka kucocwe ngakumbi.
2. Impembelelo kunye nolawulo lwefomula yeglue ye-nozzle yangaphakathi kunye nokuguquguquka komgangatho ekunamatheleni
2.1 Izinto ezibangela impembelelo
Impembelelo yefomyula ye-nozzle yangaphakathi kunye nokuguquguquka komgangatho werabha ekunamatheleni kwe-ivalvu yerabhaibonakaliswa kakhulu kwezi nkalo zilandelayo:
Ukuba ifomula ye-nozzle yangaphakathi inomxholo ophantsi weglue kunye nezizalisi ezininzi, ukutyibilika kwerabha kuya kuncipha; ukuba uhlobo kunye nohlobo lwee-accelerators azikhethwanga ngokufanelekileyo, kuya kuchaphazela ngokuthe ngqo ukunamathelana phakathi kwe-nozzle yangaphakathi kunye nevalvu; i-Zinc oxide inokuphucula ukunamathelana kwe-nozzle yangaphakathi, kodwa xa ubungakanani besuntswana bukhulu kakhulu kwaye umxholo wokungcola uphezulu kakhulu, ukunamathelana kuya kuncipha; ukuba i-sulfur e-nozzle yangaphakathi ivuthulukile, iya kutshabalalisa ukusasazeka okufanayo kwe-sulfur e-nozzle yangaphakathi, okunciphisa ukunamathelana komphezulu werabha.
Ukuba imvelaphi kunye nebhetshi yerabha eluhlaza esetyenzisiweyo kwi-inner nozzle compound iyatshintsha, umgangatho we-compounding agent awuzinzanga okanye imvelaphi iyatshintsha, i-raber compound inexesha elifutshane lokutsha, i-plasticity ephantsi, kunye nokuxubana okungalinganiyo ngenxa yezizathu zokusebenza, zonke ezi zinto ziya kubangela i-inner nozzle compound. Umgangatho uyatshintshatshintsha, nto leyo echaphazela ukunamathelana phakathi kwe-inner nozzle rubber kunye ne-valve.
Xa kusenziwa ifilimu yerabha ye-nozzle yangaphakathi, ukuba inani lamaxesha okucoca ubushushu alanelanga kwaye i-thermoplasticity iphantsi, ifilimu ekhutshiweyo ayizukuzinza ngobukhulu, inkulu ngokuthamba kwaye iphantsi nge-plasticity, nto leyo eya kuchaphazela ukutyibilika kwe-compound yerabha kwaye inciphise amandla okuncamathela; ukuba ifilimu yerabha ye-nozzle yangaphakathi idlula ixesha lokugcina elichazwe yinkqubo liya kubangela ukuqandisa kwefilimu kwaye lichaphazele ukunamathela; ukuba ixesha lokupaka lifutshane kakhulu, ukuguquguquka kokudinwa kwefilimu phantsi kwesenzo soxinzelelo loomatshini akunakubuyiselwa, kwaye ukutyibilika kunye nokunamathela kwezinto zerabha nazo ziya kuchaphazeleka.
2.2 Amanyathelo okulawula
Amanyathelo olawulo ahambelanayo athathwa ngokwempembelelo yefomyula yangaphakathi kunye nokuguquguquka komgangatho werabha ekunamatheleni:
(1) Ukuze kuphuculwe ifomyula yempumlo yangaphakathi, umxholo webhulabha yempumlo yangaphakathi kufuneka ulawulwe ngokufanelekileyo, oko kukuthi, ukuqinisekisa ukunyibilika kunye nokunamathela kwerabha, kunye nokulawula iindleko zemveliso. Lawula ngokungqongqo ubungakanani besuntswana kunye nomxholo wokungcola kwe-zinc oxide, lawula ubushushu be-vulcanization yempumlo yangaphakathi, amanyathelo okusebenza kunye nexesha lokupaka lerabha ukuqinisekisa ukufana kwesalfure kwirabha.
(2) Ukuze kuqinisekiswe uzinzo lomgangatho we-rubber compound kwi-nozzle yangaphakathi, imvelaphi yerabha eluhlaza kunye nee-compound agents kufuneka ilungiswe, kwaye utshintsho lwebhetshi kufuneka luncitshiswe; ulawulo lwenkqubo kufuneka lulawulwe ngokungqongqo ukuqinisekisa ukuba iiparameter zezixhobo ziyahlangabezana neemfuno ezisemgangathweni; Ukufana kunye nokuzinza kwe-raber compound; ukuxuba okungqongqo, iglu, ukusebenza kokugcina kunye nolawulo lobushushu ukuqinisekisa ukuba ixesha lokutshisa kunye ne-plasticity ye-raber compound ziyahlangabezana neemfuno zomgangatho.
Xa kusenziwa ifilimu yerabha ye-nozzle yangaphakathi, izixhobo zerabha mazisetyenziswe ngokulandelelana; ukucocwa okushushu kunye nokucocwa okucoliweyo kufuneka kufane, inani lamaxesha okucocwa kufuneka lilungiswe, kwaye imela yokusika kufuneka igqojozwe; ixesha lokupaka ifilimu ye-nozzle yangaphakathi kufuneka lilawulwe ngaphakathi kweeyure ezi-1 ukuya kwezingama-24, ukuthintela ukuba izinto zerabha zingaphindi zibuyele ekudinweni ngenxa yexesha elifutshane lokupaka.
3. Impembelelo kunye nolawulo lwe-vulcanization ye-inner mouth raber pad ekunamatheleni
Ukukhetha ivalvu yezinto ezifanelekileyo kunye nokuphatha kunye nokuyigcina ngokweemfuno, ukugcina ifomula yerabha ye-nozzle yangaphakathi ifanelekile kwaye umgangatho wayo uzinzile sisiseko sokuqinisekisa ukunamathelana phakathi kwerabha ye-nozzle yangaphakathi kunye nevalvu, kwaye ukuvungulwa kwephedi yerabha ye-nozzle yangaphakathi kunye nevalvu (oko kukuthi, i-nozzle yerabha) yisitshixo sokuqinisekisa ukunamathelana.
3.1 Izinto ezibangela impembelelo
Impembelelo ye-nozzle vulcanization ekunamatheleni phakathi kwe-nozzle yangaphakathi kunye ne-valve ibonakala kakhulu kubungakanani bokuzaliswa kwe-compound yerabha kunye nolawulo loxinzelelo lwe-vulcanization, ubushushu kunye nexesha.
Xa umlomo werabha uvulcanized, umlomo wevalvu kunye nefilimu yerabha ye-nozzle yangaphakathi zihlala zifakwa kwi-mold ekhethekileyo edibeneyo ye-nozzle yerabha. Ukuba isixa sokuzalisa sezinto zerabha sikhulu kakhulu (oko kukuthi, indawo yefilimu yerabha ye-nozzle yangaphakathi inkulu kakhulu okanye ityebile kakhulu), emva kokuba i-mold ivaliwe, izinto zerabha ezingaphezulu ziya kugcwala i-mold ukuze zenze umphetho werabha, ongeyi kubangela nje inkunkuma, kodwa ubangele nokuba i-mold ingavali kakuhle kwaye ibangele ii-rubber pads. Ayixinene kwaye ichaphazela ukunamathelana phakathi kwerabha ye-nozzle yangaphakathi kunye ne-valve; ukuba isixa sokuzalisa sezinto zerabha sincinci kakhulu (oko kukuthi, indawo yefilimu yerabha ye-nozzle yangaphakathi incinci kakhulu okanye ityebile kakhulu), emva kokuba i-mold ivaliwe, izinto zerabha azinakuzalisa umngxuma we-mold, nto leyo eya kunciphisa ngokuthe ngqo ukunamathelana phakathi kwe-nozzle yangaphakathi kunye ne-valve.
I-under-sulfur kunye ne-over-sulfur ye-nozzle ziya kuchaphazela ukunamathelana phakathi kwe-nozzle yangaphakathi kunye ne-valve. Ixesha le-vulcanization lidla ngokuba yiparameter yenkqubo emiselwa ngokwerabha esetyenzisiweyo kwi-nozzle, ubushushu bomphunga kunye noxinzelelo lwe-clamping. Ayinakutshintshwa ngokuthanda kwayo xa ezinye iiparameter zihlala zingatshintshi; nangona kunjalo, inokulungiswa ngokufanelekileyo xa ubushushu bomphunga kunye noxinzelelo lwe-clamping lutshintsha. , ukuze kupheliswe impembelelo yotshintsho lweeparameter.
3.2 Amanyathelo okulawula
Ukuze kupheliswe impembelelo yenkqubo yokukhupha umoya kwi-nozzle ekunamatheleni phakathi kwe-nozzle yangaphakathi kunye ne-valve, ubungakanani be-rubber esetyenziselwa ukukhupha umoya kwi-nozzle kufuneka bubalwe ngokwe-volume ye-mold cavity, kwaye indawo kunye nobukhulu be-nozzle yangaphakathi kufuneka kulungiswe ngokwe-performance yokwenyani ye-rubber. Ukuqinisekisa ukuba ubungakanani bokuzaliswa kwe-rubber bufanelekile.
Lawula ngokungqongqo uxinzelelo lwe-vulcanization, ubushushu kunye nexesha le-nozzle, kwaye ulungelelanise ukusebenza kwe-vulcanization. I-nozzle vulcanization idla ngokwenziwa kwi-flat vulcanizer, kwaye uxinzelelo lwe-vulcanizer plunger kufuneka luzinze. Umbhobho womphunga we-vulcanization kufuneka ugqunywe ngokufanelekileyo, kwaye ukuba iimeko ziyavuma, kufuneka kufakwe itanki yokugcina i-sub-cylinder okanye i-steam enomthamo ofanelekileyo ukuqinisekisa uzinzo loxinzelelo lomphunga kunye nobushushu. Ukuba iimeko ziyavuma, ukusetyenziswa kolawulo oluzenzekelayo lwe-vulcanization olulinganayo kunokususa iziphumo ezimbi ezibangelwa lutshintsho kwiiparameter ezifana noxinzelelo lwe-clamping kunye nobushushu be-vulcanization.
4. Impembelelo kunye nolawulo lwenkqubo yokusebenza kunye nemeko yemveliso ekunamatheleni
Ukongeza kwezi khonkco zingasentla, zonke iinguqu okanye ukungafaneleki kwenkqubo yokusebenza kunye nokusingqongileyo kuya kuba nefuthe elithile ekunamatheleni phakathi kwe-nozzle yangaphakathi kunye ne-valve.
4.1 Izinto ezibangela impembelelo
Impembelelo yokusebenza kwenkqubo ekunamatheleni phakathi kwerabha ye-nozzle yangaphakathi kunye ne-valve ibonakala kakhulu kumahluko phakathi kokusebenza kunye nomgangatho we-valve rubber pad kwinkqubo yemveliso.
Xa ivalvu inyangwa nge-asidi, umqhubi akanxibi iiglavu njengoko kufuneka ukuze isebenze, nto leyo eya kuyingcolisa lula ivalvu; xa ivalvu intywiliselwa kwi-asidi, ukujiya akulunganga okanye ulawulo lwexesha alufanelekanga. Irabha ye-nozzle yangaphakathi iyaphambuka kwinkqubo yokucocwa okushushu, ukukhupha okuncinci, ukucinezelwa kwethebhulethi, ukugcinwa, njl.njl., nto leyo ekhokelela ekutshintsheni komgangatho wefilimu; xa irabha ye-nozzle yangaphakathi ivulcanized kunye nevalvu, isikhunta okanye ivalvu iyajikajika; ubushushu, uxinzelelo kunye nobushushu ngexesha lokuvulcanization Kukho impazamo kulawulo lwexesha. Xa ivalvu ye-vulcanized ivulcanized ezantsi nakumphetho wephedi yerabha, ubunzulu abuhambelani, umgubo werabha awucocwanga kakuhle, kwaye iglue paste ixutywe ngokungalinganiyo, njl.njl., nto leyo eya kuchaphazela ukunamathelana phakathi kwerabha ye-nozzle yangaphakathi kunye nevalvu.
Impembelelo yendawo yokuvelisa ekunamatheleni phakathi kwerabha ye-nozzle yangaphakathi kunye nevalvu ibonakala kakhulu kuba kukho amabala eoyile kunye nothuli kwiindawo kunye neendawo ezidibana okanye ezigcinwe kwivalvu kunye nerabha/iphepha le-nozzle yangaphakathi, eliya kungcolisa ivalvu kunye nerabha/iphepha le-nozzle yangaphakathi; Ukufuma kwendawo yokusebenza kudlula umgangatho, okwenza ivalvu kunye nerabha/iphepha le-nozzle yangaphakathi zifunxe ukufuma kwaye zichaphazele ukunamathela kwevalvu kunye nerabha ye-nozzle yangaphakathi.
4.2 Amanyathelo okulawula
Umahluko phakathi kokusebenza kwenkqubo kunye nomgangatho, kufuneka kwenziwe:
Xa ivalvu inyangwa nge-asidi, umqhubi kufuneka anxibe iiglavu ezicocekileyo ukuze isebenze ngokwemigaqo; xa ivalvu intywiliselwa kwi-asidi, kufuneka ijike ngokulinganayo; ifake kwisisombululo esitsha se-asidi imizuzwana emi-2-3, uze wandise ixesha lokuyifunxa ngokufanelekileyo; Emva kokuyikhupha kulwelo, yihlambe ngamanzi ngoko nangoko malunga nemizuzu engama-30 ukuqinisekisa ukuba ihlanjwa kakuhle; ivalvu emva kokuhlamba kufuneka isulwe ngetawuli ecocekileyo engasusi ukungcola, uze uyibeke kwi-oven ukuze yome imizuzu engama-20 ukuya kwengama-30. min; ivalvu eyomileyo akufuneki igcinwe kwisomisi ngaphezu kweeyure ezingama-36. Iiparameter zerabha ye-nozzle yangaphakathi kufuneka zigcinwe zizinzile ngexesha lokucocwa okushushu, ukukhupha okuncinci, ukucinezelwa kwethebhulethi, ukugcinwa, njl.njl., ngaphandle kokuguquguquka okucacileyo; ngexesha lokufunxwa, ukubumba kunye nevalvu kufuneka kugcinwe kungaguquguquki, kwaye ubushushu be-vulcanization, uxinzelelo kunye nexesha kufuneka zilawulwe ngokufanelekileyo. Umzantsi kunye nomphetho wephedi yerabha yevalvu kufuneka zichetywe ngobunzulu obufanayo, umgubo werabha kufuneka ucocwe kakuhle ngepetroli ngexesha lokuchetywa, kwaye uxinzelelo kunye nexesha lentlama yeglue kufuneka zilawulwe ngokuchanekileyo, ukuze irabha yomlomo wangaphakathi kunye nevalvu zingachaphazeleki kukusebenza kwenkqubo. Ukunamathela emlonyeni.
Ukuze kuthintelwe ungcoliseko lwesibini lwevalvu kunye nerabha/iphepha lomlomo wangaphakathi, igumbi lonyango lwe-asidi yevalvu, i-oven, i-dryer, ukulungiswa kwefilimu yomlomo wangaphakathi kunye nomatshini we-vulcanization othe tyaba kunye nebhentshi yokusebenzela kufuneka zigcinwe zicocekile, zingenalo uthuli kunye neoyile; okusingqongileyo kulinganiselwe. Umswakama ulawulwa ngaphantsi kwama-60%, kwaye i-heater okanye i-dehumidifier ingavulwa ukuze ilungiswe xa umswakama uphezulu.
5. Isiphelo
Nangona ukunamathelana phakathi kwevalvu kunye nomlomo wangaphakathi kuyikhonkco kuphela ekuvelisweni kombhobho wangaphakathi, umsesane unempembelelo ebalulekileyo ekusebenzeni kokhuseleko kunye nobomi benkonzo yombhobho wangaphakathi. Ke ngoko, kuyimfuneko ukuhlalutya izinto ezichaphazela ukunamathelana phakathi kombhobho kunye nomlomo wangaphakathi, kwaye kuthathwe izisombululo ezijoliswe kuzo ukuphucula umgangatho uwonke wombhobho wangaphakathi.
Ixesha lokuthumela: Novemba-03-2022
