Imibhobho yegwebu ibalulekile ekulweni nemililo yamakhemikhali, idale umgoqo wegwebu onqamula umoya-mpilo, apholise amalangabi, futhi uvimbele ukuvutha kabusha. Izisetshenziswa ezifana ne-umlomo wombhobho wengcindezi ephezulufuthiimbobo yesilinganiso sokugeleza esilungisekayokuqinisa kakhulu ukusebenza kahle kokucisha umlilo. Imibhobho yemisebenzi eminingi kanye nemibhobho ye-branchpipe inikeza ukuguquguquka ukubhekana nezimo ezihlukahlukene zomlilo, iqinisekisa ukucindezelwa okuthembekile. I-Yuyao World Fire Fighting Equipment Factory inikeza uhla olubanzi lwalawa mabhomu athuthukile ukuhlangabezana nezidingo ezihlukahlukene zokucisha umlilo.
Okuthathwayo Okubalulekile
- Imibhobho yegwebu yenza ungqimba lwegwebu oluvimba umoya-mpilo, lupholise imililo, futhi luvimbe ukuba luqale futhi. Ziwukhiye wokunqanda imililo kahle.
- Ukukhetha ilungeloi-foam nozzlekubaluleke kakhulu. Cabanga ngohlobo lomlilo nalapho kwenzeka khona ukuze uqiniseke ukuthi usebenza kangcono ezimweni eziphuthumayo.
- Ukuhlola nokuhlola imibhobho yegwebungokuvamile kubaluleke kakhulu. Lokhu kuzigcina zisebenza kahle futhi kugwema izinkinga lapho zidingeka kakhulu.
I-Foam Nozzle kanye Nendima Yayo Ekucindezelweni Komlilo
Iyini i-Fire Suppression Foam?
Igwebu lokucima umliloiyi-ejenti ekhethekile yokucima umlilo eyenzelwe ukulwa nomlilo ngempumelelo. Iqukethe ingxube yamanzi, igwebu eligxilile, nomoya, okwenza ingubo yokulala yegwebu ezinzile. Leligwebu lisebenza ngokunqamula ukutholakala komoyampilo emlilweni, ukupholisa into evuthayo, nokuvimbela ukubhebhetheka kwamalangabi. Igwebu lokucisha umlilo lihlukaniswa ngezinhlobo ezahlukene ngokusekelwe ekusetshenzisweni kwalo, njengegwebu Lekilasi A lezinto ezivuthayo kanye negwebu Lekilasi B loketshezi oluvuthayo. Ukuguquguquka kwayo kuyenza ibe ithuluzi elibalulekile ekulawuleni imililo ezindaweni zezimboni namakhemikhali.
Indlela Imilomo Yegwebu Ayicisha Ngayo Imililo Yamakhemikhali
Imibhobho yegwebuidlala indima ebalulekile ekucimeni imililo yamakhemikhali. Lawa madivaysi akhipha igwebu ngendlela elawulwayo, eqinisekisa ukumbozwa okuphelele endaweni ethintekile. Umbhobho wegwebu uxuba amanzi, igwebu eligxilile, nomoya ukuze ukhiqize ungqimba oluminyene lwegwebu olunqanda umlilo. Ngokuhlukanisa umthombo wamafutha ku-oxygen, igwebu livimbela ukuvutha kabusha. Ukwengeza, umphumela wokupholisa wegwebu unciphisa izinga lokushisa lezinto ezivuthayo, usize ngokwengeziwe ekucindezelweni komlilo. Imibhobho yegwebu iklanyelwe ukuletha igwebu ngokunemba, okuyenza ibaluleke kakhulu ezimeni eziyingozi kakhulu ezihlanganisa amakhemikhali ayingozi.
Kungani Imilomo Yegwebu Ilungele Indawo Enobungozi Obukhulu
Imibhobho yegwebu ifaneleka kakhulu ezindaweni ezinobungozi kakhulu ngenxa yokusebenza kahle nokuvumelana nezimo. Izikhungo zezimboni nezitshalo zamakhemikhali zivame ukubhekana nezingozi zomlilo ezihlanganisa uketshezi oluvuthayo namagesi. Imibhobho yegwebu inikeza isisombululo esithembekile ngokuletha igwebu elingabhekana nalezi zinhlobo ezithile zomlilo. Ikhono labo lokukhiqiza ingubo yegwebu ezinzile liqinisekisa ukumbozwa okuphelele, ngisho nasezimeni eziyinselele. Ngaphezu kwalokho, imibhobho yegwebu iklanyelwe ukusebenza ngaphansi kwengcindezi ephezulu, ivumela ukusabela okusheshayo ngesikhathi sezimo eziphuthumayo. I-Yuyao World Fire Fighting Equipment Factory inikeza amasistimu we-nozzle wegwebu athuthukisiwe aklanyelwe ukuhlangabezana nezidingo zezindawo ezinjalo, iqinisekisa ukuvikelwa komlilo okuphelele.
Indlela Ubuchwepheshe Be-Foam Nozzle Esebenza Ngayo
I-Mechanism ye-Foam Nozzles
Imibhobho yegwebu isebenza ngokuguqula ingxube yamanzi, igwebu eligxilile, nomoya kube igwebu eliqinile elicisha imililo ngempumelelo. Lawa ma-nozzles aklanyelwe ukuthuthukisa ukunwetshwa kwegwebu ngenkathi kuncishiswa ukugeleza kwamanzi, okuqinisekisa ukuthi igwebu lihlala linjalo isikhathi eside. Isakhiwo sangaphakathi somlomo sidala isiphithiphithi, esixuba izingxenye ngokulinganayo futhi sikhiqize ingubo yokulala yegwebu engaguquki.
Izinhlobo ezahlukene zeimibhobho yegwebuukuhlinzekela izidingo ezithile zokucisha umlilo. Isibonelo, imibhobho yenkungu ayisebenzi kahle ekulawuleni umhwamuko ngenxa yokuncipha kwesilinganiso sokunwetshwa kwegwebu. Ngakolunye uhlangothi, imibhobho yegwebu enwebeka kakhulu, ilungele izindawo ezivalekile kodwa idinga ukusetshenziswa ngokucophelela ezimeni ezizolile ukuze igweme ukuhlakazeka. I-Yuyao World Fire Fighting Equipment Factory inikeza uhla lwamabhomu egwebu aklanyelwe ukuhlangabezana nalezi zidingo ezihlukahlukene, okuqinisekisa ukusebenza okuthembekile ezimweni ezibucayi.
Uhlobo Lwegwebu | Incazelo | Indlela Yokufaka Isicelo |
---|---|---|
Amagwebu Amaprotheni Avamile | Isetshenziselwa ukucisha umlilo okuvamile | Isebenza oketshezini oluvuthayo |
Amagwebu e-Fluoroprotein | Ihlanganisa amaprotheni nama-fluorinated surfactants | Ifanele imililo ye-hydrocarbon |
Amagwebu e-Surfactant (Synthetic). | Amagwebu enziwe umuntu ezinhlelo zokusebenza ezahlukahlukene | Isebenza kuma-solvents e-polar |
I-Aqueous Film Forming Foams (AFFF) | Idala ifilimu phezu koketshezi oluvuthayo | Isetshenziswa emililo yezindiza kanye nezimboni |
Amagwebu Ohlobo Lotshwala (ATF) | Idizayinelwe izincibilikisi ze-polar | Isebenza otshwaleni nolunye uketshezi olushisayo |
Amagwebu Akhethekile | Idizayinelwe ukusebenzisana kwamakhemikhali okuthile | Isetshenziselwa izinto eziyingozi ezibhubhisa amagwebu avamile |
Inqubo Yokukhipha Igwebu: Ukuxuba Amanzi, I-Foam Agent, Nomoya
Inqubo yokukhipha igwebu ihlanganisa inhlanganisela enembile yamanzi, igwebu eligxilile, nomoya ukuze kwakheke igwebu elinamandla amancane elikwazi ukucindezela imililo. Umbhobho udlala indima ebalulekile kule nqubo ngokunyakazisa ingxube ukuze kwakhe igwebu elizinzile. Ucwaningo lugqamisa ukuthi ukukhetha i-ejenti ekhihliza amagwebu efanele kubalulekile ukuze uthole imiphumela emihle. Isibonelo, kuzicelo zezimboni,ubuchwepheshe be-foam drainage gas recoveryibonakale iphumelela. Le ndlela isebenzisa ukugeleza kwegesi yemvelo ukunyakazisa ingxube, yenze igwebu elithutha kahle uketshezi lwe-wellbore phezulu.
Imibhobho yegwebu iqinisekisa ukuthi igwebu lisatshalaliswa ngokulinganayo emlilweni, linikeza ukumbozwa okuphelele. Ikhono lokulawula ukuminyana kwegwebu kanye nesilinganiso sokunwetshwa kwenza lawa mabhomu abaluleke kakhulu ezindaweni ezinobungozi obukhulu. Ngokuletha igwebu ngokunemba, bathuthukisa ukusebenza kahle kwemizamo yokucisha umlilo.
Ukusebenzisana Kwamakhemikhali Phakathi Kwegwebu Nomlilo
Ukusebenzisana phakathi kwegwebu nomlilo kuyinqubo yamakhemikhali eyinkimbinkimbi edlala indima ebalulekile ekucindezelweni komlilo. Igwebu liquketheama-surfactants athuthukisa ukuzinza kwawofuthi uvimbele ukuthuthwa kwemfucuza kaphethiloli. Lesi sakhiwo sivumela igwebu ukuthi lenze ungqimba oluvikelayo phezu kwendawo kaphethiloli, luvimbele ukukhululwa komhwamuko futhi lunciphise ingozi yokubusa.
Ucwaningo lwesayensi lukhombe izakhiwo zamakhemikhali ngaphakathi kwama-surfactants anomthelela kulezi zakhiwo. Lokhu okutholakele kuvule indlela yokwakhiwa kwamagwebu ahambisana nemvelo asebenza ngempumelelo njenge-AFFF yendabuko. Ngokusebenzisa lezi zintuthuko, imibhobho yegwebu ingaletha ukucisha umlilo okuphakeme kuyilapho inciphisa umthelela wendawo. I-Yuyao World Fire Fighting Equipment Factory isahamba phambili kulokhu kusungulwa, ihlinzeka ngezinhlelo ze-foam nozzle ezihlanganisa ubuchwepheshe obuphambili bokusebenza kahle.
Izinhlobo Zegwebu Lokunciphisa Umlilo
Igwebu Lekilasi A: Lezinto Ezivuthayo
Igwebu lekilasi A liklanyelwe ngokukhethekile ukulwa nemililo ehlanganisa izinto ezisha ezivamile njengokhuni, iphepha, nezindwangu. Leligwebu lithuthukisa ukungena kwamanzi ezintweni ezinama-porous, liwavumela ukuthi aphole futhi acime imililo ngempumelelo. Ukuqina kwayo okuphansi kwendawo kuyenza ikwazi ukucwila ezintweni ezivuthayo, inciphise ingozi yokuvutha kabusha. Izicishamlilo zivame ukusebenzisa igwebu Lekilasi A ekucimeni umlilo endle nasezimeni zomlilo zesakhiwo ngenxa yokusebenza kahle kwayo ekucimeni imililo eshunqayo.
Ukuguquguquka kwegwebu kuyenza ibe yithuluzi elibalulekile ezinhlelweni ezahlukahlukene. Ingasetshenziswa kusetshenziswa imibhobho yegwebu ejwayelekile noma amasistimu egwebu lomoya acindezelwe (CAFS). I-Yuyao World Fire Fighting Equipment Factory inikeza okuthuthukileamasistimu we-nozzle we-foameziqinisekisa ukusebenza okuphezulu lapho usebenzisa igwebu Lekilasi A, enikeza izixazululo ezinokwethenjelwa zokulwa nemililo yezinto ezivuthayo.
Igwebu Lekilasi B: Okoketshezi Oluvuthayo Namakhemikhali
Igwebu lekilasi B lenzelwe ukucindezela imililo ehlanganisa uketshezi oluvuthayo olunjengophethiloli, uwoyela, notshwala. Isebenza ngokwakha ingubo yokulala yegwebu ezinzile phezu koketshezi, inqamule umoya-mpilo futhi ivimbele ukuphuma komhwamuko. Leligwebu lisebenza kahle kakhulu ezimeni zezimboni, ezimbonini zamakhemikhali, nasezikhungweni zezindiza lapho imililo ye-hydrocarbon ne-polar solvent idala izingozi ezinkulu.
Igwebu Lokwenza Ifilimu Ye-Aqueous (AFFF), uhlobo lwegwebu leSigaba B, elihamba phambili ekushayeni phansi ngokushesha nasekucindezelweni komhwamuko. Isakazeka ngokushesha endaweni kaphethiloli, idale ifilimu enamanzi ethuthukisa ukucisha umlilo. Ithebula elingezansi ligqamisa ukuhlaziya okuqhathanisayo kwamagwebu e-AFFF kanye ne-F3, ukwakheka okubili okujwayelekile kwegwebu le-Class B:
Ipharamitha yokusebenza | I-AFFF | F3 |
---|---|---|
I-Knockdown | Ngokushesha ngenxa yokwakheka kwefilimu enamanzi. | Isebenza kahle kodwa ihamba kancane ngaphandle kwefilimu. |
Ukumelana Nokushisa | Ukuqina okuhle kokushisa. | Kuhle, kuyahlukahluka ngokwakhiwa. |
Ukucindezelwa komhwamuko | Isebenza kahle kakhulu ngefilimu enamanzi. | Ithembele kungqimba olumanzi lwegwebu. |
Umthelela Wezemvelo | Iyaphikelela futhi i-bioaccumulative. | Ukuphikelela okuphansi, ubuthi obungaba khona. |
I-Yuyao World Fire Fighting Equipment Factory inikeza amasistimu ombhobho wegwebu ahambisana namagwebu Ekilasi B, eqinisekisa ukusetshenziswa okunembayo nokusebenza kahle okuphezulu ezindaweni ezinobungozi obukhulu.
Amagwebu Akhethekile: Amagwebu Anwebeka Kakhulu futhi Amelana Notshwala
Amagwebu akhethekile abhekana nezinselele eziyingqayizivele zokucima umlilo. Igwebu elinwebeka kakhulu lilungele izindawo ezivalekile njengezindawo zokugcina izimpahla kanye nezindawo zokubeka imikhumbi. Igcwalisa izindawo ezinkulu ngokushesha, isuse umoya-mpilo futhi ibhumise umlilo. Leligwebu alisindi futhi lidinga amanzi amancane, okulenza lifaneleke izimo lapho umonakalo wamanzi kumele uncishiswe.
Amagwebu amelana notshwala (AR-AFFF) aklanyelwe ukulwa nomlilo ohlanganisa izincibilikisi ze-polar njenge-ethanol ne-methanol. Lawa magwebu akha umgoqo we-polymeric omelana nokuwohloka kotshwala, oqinisekisa ukucindezelwa okusebenzayo. Ukwakhiwa kwazo okukhethekile kuzenza zibaluleke kakhulu ezitshalweni zamakhemikhali nasezindaweni zokugcina uphethiloli.
I-Yuyao World Fire Fighting Equipment Factory ihlinzeka ngohlu lwamabhomu egwebu alungiselelwe amagwebu akhethekile, iqinisekisa ukusebenza okuthembekile ezimeni eziyinkimbinkimbi zokucisha umlilo. Lezi zinhlelo ezithuthukisiwe zibonisa ukuzibophezela kwenkampani ekusunguleni izinto ezintsha nokuphepha kubuchwepheshe bokucima umlilo.
Izinzuzo ze-Foam Nozzle Technology
Ukusebenza kahle ekucindezelweni komlilo
Ubuchwepheshe be-foam nozzlekuthuthukisa kakhulu ukusebenza kahle kokucisha umlilo. Lezi zinhlelo ziletha igwebu ngokunemba, okuqinisekisa ukumbozwa ngokushesha nangempumelelo kwezindawo ezinomlilo. Izinhlelo ze-Compressed Air Foam (CAF) zidlula izindlela zendabuko ngokunciphisa izikhathi zokushabalala kanye nokwenza ngcono ukusimama kwegwebu. Izakhiwo zabo eziphakeme zokudonsa amanzi zivumela igwebu ukuthi lihlale liqinile isikhathi eside, okwandisa ukusebenza kwalo. Ngaphezu kwalokho,Amasistimu e-CAF akhombisa ukumelana nokushiswa emuva okukhethekile, izikhathi zokusha ezifika izikhathi ezingama-64 ubudekunemibhobho evamile njenge-UNI 86. Lokhu kusebenza kuqinisekisa ukuthi imililo iyacishwa ngokushesha kanye nezingozi zokuvutha kabusha ziyancishiswa, okwenza imibhobho yegwebu ibaluleke kakhulu ezindaweni eziyingozi kakhulu.
Ukuphepha Nokucatshangelwa Kwemvelo
Izinhlelo zesimanje ze-foam nozzle zibeka phambili ukuphepha kwemvelo ngokusebenzisa ukwakheka kwe-eco-friendly. Izinhlelo zendabuko ze-AFFF zithembele ku-PFOS ne-PFOA,amakhemikhali aziwa ngokuphikelela kwawo emvelweni kanye nemiphumela eyingozi empilweni. Lezi zinto, ezivame ukubizwa ngokuthi “amakhemikhali angunaphakade,” ziphakamise ukukhathazeka okukhulu ngenxa yomthelela wazo wesikhathi eside. Ukuqwashisa ngalezi zingozi kuqale ngeminyaka yawo-1970, okwenza ucwaningo lwezinye izindlela eziphephile. Namuhla, ukuthuthuka kwezobuchwepheshe be-Foam kuholele ekwakhiweni kwezixazululo ezibhekele imvelo ezigcina ukusebenza okuphezulu ngenkathi kunciphisa ukulimala kwemvelo. Izimboni ezamukela lezi zinhlelo zibonisa ukuzibophezela ekusimameni nasekuphileni kwezempilo yomphakathi.
Ukusebenza Kwezindleko Ezinhlelweni Zezimboni
Ubuchwepheshe be-foam nozzle bunikeza aisixazululo esingabizi kakhulungokucisha umlilo ezindaweni zezimboni. Ikhono layo lokucisha imililo linciphisa ngokushesha ukulimala kwempahla kanye nesikhathi sokusebenza, okuholela ekongeni kwezindleko ezibalulekile. Ukuqina nokusebenza kahle kwezinhlelo zegwebu zesimanje kunciphisa isidingo sokushintshwa noma ukulungiswa njalo. Ngaphezu kwalokho, ukunemba kokufakwa kwegwebu kuqinisekisa ukusetshenziswa kwezinsiza ngendlela efanele, kugwema ukumosha okungadingekile. I-Yuyao World Fire Fighting Equipment Factory inikeza izinhlelo ezithuthukisiwe ze-foam nozzle ezihlanganisa ukusebenza, ukwethembeka, nokuthengeka, okuzenza kube ukukhetha okuhle ezimbonini ezifuna izixazululo zesikhathi eside zokuvikela umlilo.
Ukukhetha I-Foam Nozzle System efanele
Izinto Ezibalulekile Okufanele Zicatshangelwe (isb, uhlobo lomlilo, indawo ezungezile)
Ukukhetha ilungeloi-foam nozzle systemkudinga ukuhlolwa ngokucophelela kwezici ezimbalwa ezibalulekile. Uhlobo lomlilo ludlala indima ebalulekile ekunqumeni igwebu elifanele. Isibonelo, igwebu le-Class A lilungele izinto ezivuthayo, kuyilapho igwebu le-Class B lifaneleka kangcono uketshezi oluvuthayo. Imvelo nayo inomthelela ekukhetheni. Izindawo ezivalekile zingazuza emibhobho yegwebu enwebeka kakhulu, kuyilapho izindawo ezingaphandle ngokuvamile zidinga amasistimu anokufinyelela okukhulu nokuhlala isikhathi eside.
Ithiphu: Hlala uhlola izingozi zomlilo ezingaba khona endaweni futhi uqondanise isistimu yombhobho wegwebu nezingozi ezithile. Lokhu kuqinisekisa ukusebenza kahle okuphezulu ngesikhathi sezimo eziphuthumayo.
Okunye okucatshangelwayo kuhlanganisa ukuhambisana kwesistimu nempahla ekhona yokucisha umlilo kanye nekhono layo lokusebenza ngaphansi kwamazinga engcindezi ahlukahlukene.I-Yuyao World Fire Fighting Equipment Factoryinikeza izinhlobonhlobo zezinhlelo ze-nozzle zegwebu eziklanyelwe ukuhlangabezana nezidingo zokusebenza ezihlukahlukene.
Ukubaluleka Kokubonisana Kochwepheshe
Ukubonisana kochwepheshe kuqinisekisa ukuthi uhlelo lwe-foam nozzle olukhethiwe luhambisana nezidingo ezihlukile zesikhungo. Ochwepheshe bezokuphepha emlilweni bahlaziya izici ezifana nomthwalo womlilo, ukwakheka kwesakhiwo, nezimo zemvelo ukuze batuse isisombululo esisebenza kakhulu.
Ukusebenzisana nochwepheshe abanolwazi futhi kunikeza ukufinyelela entuthukweni yakamuva yobuchwepheshe be-foam nozzle. Ithimba lochwepheshe le-Yuyao World Fire Fighting Equipment Factory lisiza amakhasimende ekuhlonzeni amasistimu angcono kakhulu ezinhlelo zawo zokusebenza ezithile, aqinisekise ukuvikelwa komlilo okuphelele.
Izidingo Zokunakekela Nokuhlola
Ukugcinwa njalo nokuhlolwa kubalulekile ukuze kuqinisekiswe ukwethembeka kwezinhlelo ze-foam nozzle. Ukuhlola okuvamile kusiza ukuhlonza ukuguga, kuyilapho ukuhlola kuqinisekisa ukusebenza kwesistimu ngaphansi kwezimo zomhlaba wangempela.
Ishejuli yokulungisa enconyiwe ihlanganisa:
- Amasheke anyanga zonke: Hlola umonakalo womzimba futhi uqinisekise ukuthi konke ukuxhumana kuvikelekile.
- Ukuhlolwa konyaka: Linganisa amazinga okukhishwa kwegwebu kanye nezilinganiso zokunwetshwa.
- Ukulinganisa ngezikhathi ezithile: Lungisa izilungiselelo ukuze ugcine ukusebenza kahle.
Ukudebeselela ukulungiswa kungase kubeke engcupheni ukusebenza kwesistimu phakathi nezikhathi ezibucayi. Ukubambisana nomhlinzeki othembekile ofana ne-Yuyao World Fire Fighting Equipment Factory kuqinisekisa ukufinyelela kumasevisi okunakekela athembekile nosekelo lobuchwepheshe.
Ubuchwepheshe be-Foam nozzle buletha ukusebenza kahle okungenakuqhathaniswa ekucindezelweni komlilo wamakhemikhali, ikakhulukazi ezindaweni ezinobungozi obukhulu. Ukukhetha isistimu efanele kuqinisekisa ukuvikeleka okulungiselelwe ezingozini ezithile zomlilo. I-Yuyao World Fire Fighting Equipment Factory inikeza izixazululo ze-foam nozzle ezithuthukisiwe, ezihlanganisa ukwethembeka nokusungula izinto ezintsha ukuze kuhlangatshezwane nezidingo ezihlukahlukene zokucisha umlilo. Ubuchwepheshe babo buqinisekisa ukuphepha komlilo okuphelele ezikhungweni zezimboni namakhemikhali.
FAQ
Yini eyenza imibhobho yegwebu isebenze kahle ekucindezelweni komlilo wamakhemikhali?
Imibhobho yegwebu yenza ingubo yegwebu ezinzile ehlukanisa umoya-mpilo, apholise umlilo, futhi ivimbele ukuvutha kabusha. Ukunemba kwabo kuqinisekisa ukutholakala okusebenzayo ezindaweni ezinobungozi obukhulu.
Ingabe imibhobho yegwebu ingaphatha izinhlobo ezahlukene zomlilo?
Yebo, imibhobho yegwebu isebenza nezinhlobo ezihlukahlukene zegwebu, njengeClass A lezinto ezivuthayo kanye Nekilasi B loketshezi oluvuthayo, okuqinisekisa ukuguquguquka kwezimo ezihlukahlukene zomlilo.
Ithiphu: Xhumana nochwepheshe ukuze ufanise isistimu ye-nozzle nezingozi ezithile zomlilo ukuze usebenze kahle.
Amasistimu we-nozzle wegwebu kufanele alungiswe kangaki?
Yenza ukuhlola kwanyanga zonke, ukuhlola kwaminyaka yonke, nokulinganisa ngezikhathi ezithile.Ukugcinwa njaloiqinisekisa ukuthembeka nokusebenza okuphezulu ngesikhathi sezimo eziphuthumayo.
Ukunganaki ukunakekelwa kungaphazamisa ukusebenza kahle kokucisha umlilo.
Isikhathi sokuthumela: May-22-2025