Kutheni ifowuni yonxibelelwano yokhuseleko lwemigodi ingenakusebenzisa ifowuni yeofisi eqhelekileyo?

• Iifowuni zaseofisini zenzelwe iindawo zangaphakathi ezilawulwayo, ngelixa iifowuni zam zenzelwe uthuli, ukubetheka, ukufuma, kunye nomsebenzi ongxamisekileyo.
• Unxibelelwano olungaphantsi komhlaba kufuneka lubeke phambili ukusinda, ukuqonda, kunye nokufikelela ngokukhawuleza, kungekuphela nje umgangatho wefowuni.
• Imigangatho esebenzayo kunye nokuhlelwa kweengozi kuqinisekisa ukuba isixhobo singasetyenziswa kwindawo yemigodi.
• Uyilo lwenkqubo lubaluleke kakhulu njengefowuni: ukufakelwa kweentambo, ukugcinwa kombane, ukubekwa, kunye nokuhlanganiswa neealamu konke kuchaphazela ukhuseleko.
• Kumaqela okuthenga, umbuzo ochanekileyo awungowokuba “Ngaba ingenza iifowuni?” kodwa ngulo “Ngaba isaza kusebenza xa iimeko zisiba mbi?”

Ifowuni yonxibelelwano ngokhuseleko lwemigodi sisixhobo esikhethekileyo semizi-mveliso, asiyofowuni yeofisi eguquliweyo, kuba unxibelelwano olungaphantsi komhlaba kufuneka luhlale luthembekile phantsi kweemeko ezinokubandakanya i-methane, uthuli lwamalahle, ukungena kwamanzi, ukungcangcazela, kunye nengxolo enkulu yoomatshini. Kwimozulu enobungozi, ukukhethwa kwezixhobo kulawulwa yimigangatho efana naleI-IECkunye nemithetho yokhuseleko ethile yemigodi; umzekelo, iingcamango zokukhusela ukuqhuma phantsiIECExzakhiwe ngokuthintela umthombo wokutsha ungabi yingozi. Kwisandi kunye nokusetyenziswa, umnxeba weofisi oqhelekileyo nawo ubuthathaka kakhulu kwindawo apho incoko ecocekileyo kunokuba nzima ukuyifeza kuneringi ephumelelayo. Ukuba umsebenzi ubalulekile kukhuseleko, isiphelo sonxibelelwano kufuneka siziphathe njengeziseko zoshishino kunezixhobo ze-elektroniki zabathengi.

Kutheni iFowuni yoNxibelelwano yoKhuseleko lweMigodi ifuna okungaphezulu kuneempawu zeOfisi

Umahluko wokuqala yindlela esebenza ngayo le nto: inkqubo yefowuni yomgodi yakhelwe ukuqhubeka nokhuseleko, ngelixa ifowuni yaseofisini yakhelwe lula.

Iifowuni zaseofisini zithatha amandla azinzileyo, ingxolo ephantsi, akukho mngeni wokuvala uthuli, kunye nobushushu obuphantsi. Unxibelelwano olungaphantsi komhlaba alufuni. Umgodi ungadinga ifowuni enokusinda ekutshisweni, ukutshizwa, uthuli oluqhubayo, ukuqhutywa kweentambo ezinde, kunye nokusetyenziswa rhoqo ngeeglavu. Kwiimeko ezingxamisekileyo, umsebenzisi unokuba noxinzelelo, anxibe isithintelo sokuva, okanye ame kwindawo enengxolo apho imakrofoni yefowuni eqhelekileyo kunye nesithethi zingonelanga.

Ukwahlulwa kweengozi lolona mahluko wesibini. Ukuba umgodi une-methane okanye uthuli olunokutsha, isixhobo sonxibelelwano kufuneka sikhethwe njengenxalenye yoyilo lokhuseleko lwendawo, kungekhona njengesiphelo se-IT esiqhelekileyo. Yiyo loo nto i-telephony yemizi-mveliso idla ngokudityaniswa neendawo ezivalekileyo, izithintelo eziqinisekisiweyo, okanye imithetho yokufakela indawo enobungozi endaweni yezixhobo zokuncedisa kwidesktop. Ukuze ufumane ulwazi ngeemeko ezinobungozi kunye nemigaqo yokukhusela ukuqhuma, i-US National Fire Protection Association inika isikhokelo ngokubanzi ngezixhobo zayo zokhuseleko, kwaye i-US Mine Safety and Health Administration ipapasha izixhobo zokhuseleko ezithile zomgodi kwiI-MSHA.

Umahluko wesithathu kukufumaneka. E-ofisini, ukucima okwethutyana kuyingxaki. Emgodini, ukungasebenzi kakuhle konxibelelwano kunokulibazisa ukuphuma, kuhlukanise indawo yokusebenza, okanye kucothe impendulo yesiganeko. Yiyo loo nto iiprojekthi ezininzi zivavanya inkqubo epheleleyo, kungekuphela nje kwefowuni. Ukuba uthelekisa iintsapho zemveliso, kuyanceda ukuphonononga iindlela zoshishino ezifanaifowuni yemizi-mveliso, ifowuni ekwaziyo ukumelana nemozulukunyeifowuni ethintela ukuqhumangaphambi kokuba uthathe isigqibo sokuba ingaba indawo ifuna izixhobo zonxibelelwano eziqinileyo, ezivaliweyo, okanye ezinobungozi.

Iimfuno zeNkqubo yeFowuni yeMigodi kuNxibelelwano olungaphantsi komhlaba

Eyona mfuneko iphambili yenkqubo yefowuni yasemgodini kukufikelela kwilizwi okuthembekileyo phantsi koxinzelelo, kungekhona umgangatho wefowuni ohambelana nomthengi.

Kunxibelelwano olungaphantsi komhlaba, ukuqonda intetho kubaluleke ngaphezu kokuthembeka kwesandi esisemthethweni. Iimayini zihlala zikhwaza, ziphinda-phinda, kwaye zithintelwe ngokwasemzimbeni. Ingxolo yoomatshini idla ngokudlula i-85 dBA kwiindawo zoshishino, nto leyo esetyenziswa yimithetho yokugcinwa kweendlebe emsebenzini kwiindawo ezininzi. I-US Occupational Safety and Health Administration ibeka umda ophakathi weeyure ezi-8 we-90 dBA kushishino ngokubanzi, kwaye iNational Institute for Occupational Safety and Health icebisa i-85 dBA njengenqanaba lokubonakalisa elikhuselekileyo. Ezo zibalo azizo iinkcukacha zefowuni, kodwa zichaza isizathu sokuba isixhobo sonxibelelwano semayini kufuneka sinikezele ngemveliso ephezulu, sithathe imakrofoni ngcono, kwaye sisebenze ngokucacileyo kunefowuni yeofisi eqhelekileyo. JongaIsikhokelo sengxolo se-OSHAkwayeIzixhobo zengxolo ze-NIOSH.

Ukuqina kwento yenye into efunekayo. Isixhobo esisetyenziswa kwisango lomgodi, kwigumbi lolawulo, kumgca wokuhambisa, okanye kwindawo yokusabela engaphantsi komhlaba sinokuba nefuthe, ukuthuthwa kothuli, kunye nokuvezwa komswakama. Amanqanaba okhuseleko oluvela kwimizi-mveliso afana ne-IP66 okanye i-IP67 adla ngokusetyenziswa ukuchaza ukumelana nokungena.I-ISO 20653:2013, amazinga aphezulu e-IP abonisa ukhuseleko oluqinileyo ekungeneni kothuli namanzi, nto leyo ebangela ukuba iifowuni zoshishino zichazwe ngeendawo ezivaliweyo kunye nezixhobo ezimelana nokugqwala endaweni yeplastiki yabathengi evezwe ngaphandle.

Ukusetyenziswa okungxamisekileyo nako kubalulekile. Kwimeko yengxaki, ujongano kufuneka lubonakale: ukucofa ngokuchukumisa okukodwa, amaqhosha amakhulu, ukuqinisekiswa okuvakalayo, kunye nokubonisa imeko ngokucacileyo. Ifowuni eqhelekileyo yeofisi inokuba nezitshixo ezininzi ezithambileyo, iimenyu, kunye neempawu ezixhomekeke kwinethiwekhi eziluncedo kwindawo yokulala kodwa ezingancediyo xa umsebenzi efuna ukunxibelelana ngokukhawuleza nabasebenzi begumbi lolawulo. Yiyo loo nto amaqela okuthenga edla ngokukhetha iindawo zokugcina imboni ezakhiwe ngenjongo yeendawo ezizinzileyo aze emva koko akhe yonke inkqubo ejikeleze zona.

Umngcipheko Wokuqhuma, Uthuli, kunye Nesizathu Sokuba Iifowuni Eziqhelekileyo ZeDesika Ziyingxaki Yokhuseleko

Eyona nto ibangela ukuba ifowuni eqhelekileyo yeofisi ingafanelekanga kukuba izixhobo zayo ze-elektroniki, indawo ebiyelweyo, kunye nezixhobo azizange zenzelwe ukuphepha umngcipheko wokutsha kwindawo ejikeleze imigodi.

Kwimigodi emininzi, umbuzo awungowokuba ingaba isixhobo singasinda na xa kuvavanyo lokuwa; kukuba ingaba isixhobo singasetyenziswa ngaphandle kokwazisa umthombo wokutsha. Yiyo loo nto kukho imigangatho yokukhusela ukuqhuma kwaye kutheni kubalulekile ukuqinisekiswa. Isixhobo esiqhelekileyo, umbane, okanye isixhumi semodyuli sinokwamkeleka kwigumbi leenkomfa kodwa singamkeleki apho kunokubakho igesi etshayo okanye uthuli oluvuthayo. Enyanisweni, kufuneka kuqwalaselwe neenkcukacha ezincinci ezifana noqhagamshelwano oluvezwe ngaphandle, i-arcing yangaphakathi, kunye nokuveliswa kobushushu.

Kwizixhobo zendawo enobungozi, isakhelo esifanelekileyo sidla ngokusekwe kuhlu lwe-atmosphere kunye nengcamango yokukhusela. Iindlela zokukhusela indawo enobungozi ze-IEC azitshintshi, kwaye isixhobo esiqinisekisiweyo sendawo enye okanye iqela legesi asivumelekanga ngokuzenzekelayo kwenye. Abathengi ke ngoko kufuneka bafanise uhlu lwendawo nesatifikethi, kungekuphela nje inkcazo yemveliso. Oku kubaluleke kakhulu kunxibelelwano lwemigodi kuba umgca wefowuni omnye unokudlula kwiindawo ezininzi zokuvezwa, kubandakanya iindawo zokungena, iigalari, izitishi ezincinci, kunye namagumbi olawulo.

Uthuli lubaluleke ngokulinganayo. Uthuli oluncinci lungangena kwiiswitshi, iimayikrofoni, kunye neeports zesithethi, nto leyo enciphisa ukuthembeka ngokuhamba kwexesha. Lunokuqokelelwa kwiindawo eziphezulu, nto leyo eyenza ukucoca kube nzima kwaye konyuse umthwalo wokulungisa. Ifowuni yonxibelelwano yokhuseleko lokwembiwa idla ngokusebenzisa amaqhosha avaliweyo, izixhobo ezingamelani nokugqwala, kunye noyilo olubiyelweyo oluxhasa amaxesha amade enkonzo. Leyo yenye yezizathu zokuba abathengi bemizi-mveliso badla ngokuthelekisa kungekuphela nje i-handset kodwa kunye nendlu, indlela yokufaka, kunye nokufikelela kwinkonzo.

Indlela Unxibelelwano Olungaphantsi Komhlaba Olwahluke Ngayo Kwifowuni Eqhelekileyo Yomsebenzi

Unxibelelwano olungaphantsi komhlaba sisixhobo sokhuseleko lokusebenza, asiyondlela yokunceda.

E-ofisini, ukufowuna okucinyiweyo kuyacaphukisa. Kwimigodi, ukulahlekelwa kukunxibelelana ngexesha lokulungiselela ukuqhushumba, ukunikezelwa kweshifti, impazamo yezixhobo, okanye ukufuduka kunokuchaphazela uxanduva lwabasebenzi kunye nesantya sokuphendula. Yiyo loo nto uyilo oluninzi lweenkqubo zeefowuni zemigodi ludibana namagumbi olawulo, iisekethe ze-alamu, iinkqubo zedilesi kawonke-wonke, okanye imisebenzi yokuhambisa. Indawo yonxibelelwano iba yinxalenye yekhonkco lokusebenza.

Ukuhambisa isignali kunye nokuqhubeka kwamandla nako kwahlukile. Ukufakelwa komhlaba kunokuxhomekeka ekusebenziseni iintambo ezinde, ii-conduit ezikhuselweyo, amandla okuxhasa, kunye nokwahlukana okucacileyo kwimithombo yombane enomsindo. Ukuba inkqubo ibandakanya i-VoIP, uyilo lwenethiwekhi kufuneka luqwalasele ukuqina kweswitshi, ukuxhomekeka kwamandla phezu kwe-Ethernet, kunye nokuziphatha kwesixhobo ngexesha lokucima kwenethiwekhi. Ukuba inkqubo ifana ne-analog, iintambo kunye neendawo eziphakathi zeofisi zisafuna ukukhuselwa kumswakama, ukuncitshiswa, kunye nomonakalo womzimba. Nokuba yeyiphi na imeko, injongo yoyilo iyafana: ukugcina unxibelelwano lwangaphantsi komhlaba luphila xa indawo iphantsi koxinzelelo.

Ifilosofi yokulungisa nayo iyatshintsha. Izixhobo zeofisi zihlala zitshintshwa ngomjikelo wokuhlaziya. Izixhobo zonxibelelwano lwemigodi zihlala zikhethwa ukuze zigcinwe zisemgangathweni, kungekhona ngefashoni. Amaqela okuthenga afuna ukufikelela kwinkonzo, ukufumaneka kwezixhobo ezisele, ukunikezelwa okuzinzileyo, kunye namaxwebhu acacileyo. Kulapho ukufumana izinto kwimizi-mveliso kubaluleke khona ngaphezu kwexabiso lodwa. Ifowuni yeofisi engabizi kakhulu inokubiza kakhulu ukuba iyasilela ngokuphindaphindiweyo okanye ayinakugcinwa entsimini.

Ukuba iprojekthi yakho ikwafuna iindawo zokugqibela zoshishino ezinxulumeneyo, kuyanceda ukuthelekisa iintsapho zemveliso ezifanaifowuni yasejelekwiimfuno zokulwa nokonakalisa kunyeifowuni engxamisekileyoukuqalisa ukufowuna ngokukhawuleza. Ingongoma ephambili kukuba iindawo ezahlukeneyo zifuna izinto eziphambili zoyilo ezahlukeneyo, nokuba umsebenzi ubonakala ufana.

Iikhrayitheriya zokukhetha ifowuni yonxibelelwano ngokhuseleko lwemigodi

Iikhrayitheriya zokukhetha ezifanelekileyo zihlala ziluncedo ngakumbi kunokuba iincwadana zobugcisa zisitsho.

Qala ngodidi lwengozi. Ukuba ulwahlulo lwendawo lufuna ukhuseleko lokuqhuma, isiqinisekiso siza kuqala. Emva koko jonga ukhuseleko lokungena, indlela yokufaka, ubushushu, ukusebenza kwesandi, kunye nokufikeleleka kwenkonzo. Kwiindawo zangaphandle okanye zesango, ukumelana nemozulu kunokubaluleka kanye njengokufaneleka kwendawo enobungozi. Kwizikhululo ezingaphantsi komhlaba, ukumelana nokungcangcazela kunye nokuvakala kunokubaluleka ngaphezu kwezinto zokuthambisa.

Okulandelayo, vavanya imeko yokusetyenziswa. Igumbi lolawulo eliphambili lifuna isixhobo esahlukileyo kunesikhululo sokuphephela esingaphantsi komhlaba, indawo yokudlulisela i-conveyor, okanye indawo yokulungisa. Usapho lwesixhobo esinye lunokugubungela iindawo ezininzi, kodwa iinkcukacha akufuneki zifane. Umzekelo, indawo yomnxeba ongxamisekileyo inokufuna ukusebenza ngeqhosha elinye, ngelixa ifowuni yokuthumela inokufuna inkxaso ye-headset, ukukhala okukhulu, kunye nokubekwa phambili kwefowuni.

Okokugqibela, jonga izinto ezibangela umjikelo wobomi. Abathengi bemizi-mveliso kufuneka babuze malunga nezixhobo ezingasetyenziswayo, inkxaso yokufakela, iindlela zokungena kwiintambo, kunye nobubanzi besatifikethi. Kwimisebenzi yokwemba kwiindawo ezininzi, ukulinganisa kwiseti encinci yezixhobo kunciphisa umzamo woqeqesho kunye nobunzima bokutshintsha. Eso sesinye sezizathu zokuba iiprojekthi ezininzi zikhethe ukufumana izinto ezisekelwe kwiqonga endaweni yokutshintsha abathengi kube kanye.

Imibuzo Yokuthenga Ehlabathini Lokwenyani Abathengi Abafanele Bayibuze

Imibuzo engcono kakhulu yokuthenga imalunga neendlela zokungaphumeleli, kungekhona iimpawu zeencwadana.

1. Ngaba esi sixhobo siza kuhlala sikhuselekile kwindawo echongiweyo yemigodi?
2. Ngaba isenokunxibelelana ngokucacileyo xa ingxolo yangasemva ingaphezulu kwe-85 dBA?
3. Ingaba indlu ivalwe uthuli kwaye amanzi angene kwinqanaba elifunekayo?
4. Isixhobo sisebenza njani, kwaye kwenzeka ntoni xa umbane ulahlekile?
5. Ngaba ukulungiswa kwezinto kungatshintsha iindawo ngaphandle kokuvala yonke intambo yonxibelelwano?
6. Ingaba le nkqubo idibana neenkqubo ze-alamu, zokuthumela, okanye zokuphendula ngexesha likaxakeka?

Le mibuzo ityhila ukuba imveliso iyinxalenye yenkqubo yefowuni yokwenyani okanye yifowuni yeofisi nje ekwibhokisi enzima. Kumaqela obunjineli, loo mahluko ubalulekile kuba ukhetho olungalunganga lunokutshintsha umngcipheko ukusuka kwifowuni uye kuyo yonke indlela yokhuseleko.

Imigangatho kunye noQinisekiso loNxibelelwano lweMizi-mveliso kunye neMigodi

Ukuqinisekiswa koko kuguqula ibango libe lukhetho lwezixhobo oluthembekileyo.

Izixhobo zonxibelelwano lwemizi-mveliso zihlala zivavanywa ngokwemigangatho yokhuseleko, ukuqina, kunye neyokusingqongileyo kunokuba zijongwe kubathengi ngokubanzi.I-ISO 20653:2013ikhankanywa kakhulu kwiimeko zezithuthi nezixhobo zoshishino kwiingcamango zokukhusela uthuli namanzi, ngelixa ukhuseleko lokuqhuma luhlala luphathwa ngeendlela zokuqinisekisa ezisekelwe kwi-IEC. Ukulawula imozulu eyingozi kwimigodi, abathengi kufuneka baphinde bahlole imithetho yegunya lemigodi yasekuhlaleni kunye nobungqina bovavanyo olubhaliweyo.

Kwimiba yonxibelelwano olungxamisekileyo kwiinkqubo zokhuseleko, umgangatho wamaxwebhu ubalulekile. Umthengisi othembekileyo kufuneka akwazi ukuchaza iimeko zokufakela, ububanzi bokhuseleko, kunye namanyathelo okugcina ngolwimi olulula. Oko kuluncedo ngakumbi kwiiprojekthi zehlabathi apho inkqubo efanayo yefowuni yomgodi inokufakelwa ngabakhi abahlukeneyo kwiindawo ezininzi. Okukhona isixhobo sibhalwe ngokucacileyo, kokukhona kulula ukusihlola nokugcina.

Apho iprojekthi ibandakanya ii-portals zangaphandle, izityalo zokucubungula, kunye neendawo ezingaphantsi komhlaba, inokufuna iindidi ezininzi zezixhobo endaweni yefowuni enye eqhelekileyo. Kwezo meko, usapho lwemveliso yangaphakathi kufuneka luhlolwe njengenkqubo. Ungathelekisa usetyenziso olujikelezileyo olufana noluinkqubo yedilesi kawonkewonkeukuze kugqunywe usasazo kunyeinkqubo ye-intercomyokulungelelanisa okulawulwayo macala omabini. Ezo ndidi zixhasa umgaqo ofanayo obanzi: isixhobo sonxibelelwano kufuneka sihambelane neprofayili yomngcipheko wesiza.

Kutheni Ukuthathwa Kwefowuni Eofisini Kungaphumeleli Kwimigodi

Ingqikelelo yefowuni yeofisi iyasilela kuba unxibelelwano lwemigodi luchazwa ngumngcipheko, kungekhona lula.

Isixhobo esiqhelekileyo seofisi sinokukhala size sithumele isandi, kodwa loo nto yinxalenye encinci yemfuneko. Ifowuni yonxibelelwano ngokhuseleko lwemigodi kufuneka ikwazi ukumelana noxinzelelo lokusingqongileyo, ithobele imithetho yokhuseleko, ixhase imisebenzi yongxamiseko, kwaye ihlale isetyenziswa ngumsebenzisi oxinezelekileyo kwiimeko ezimbi. Ukuba isixhobo asikwazi ukuhlangabezana nezo mfuno, asisosinto ithatha indawo yaso; sixanduva.

Ngokwendlela esebenzayo, umthengi kufuneka abuze ukuba ngaba ifowuni yenzelwe unxibelelwano olungaphantsi komhlaba okanye yenzelwe nje yona. Impendulo iya kugqiba ukuba ngaba inkqubo iyayixhasa na indlela ekhuselekileyo yokusebenza, impendulo yeziganeko, kunye nokusebenza ixesha elide. Kwimigodi, loo mahluko awungowokufunda. Ngumahluko phakathi kwesixhobo sonxibelelwano kunye neziseko zokhuseleko.

FAQ

Yintoni ifowuni yonxibelelwano yokhuseleko lwemigodi?

Ifowuni yonxibelelwano ngokhuseleko lwemigodi yifowuni yemizi-mveliso eqinileyo eyenzelwe ukubonelela ngonxibelelwano lwelizwi oluthembekileyo kwimigodi nakwiindawo ezinobungozi ezinxulumene nayo apho uthuli, ukufuma, ukungcangcazela, kunye neemeko ezingxamisekileyo zixhaphakileyo.

Ngaba ifowuni eqhelekileyo yeofisi ingasetyenziswa phantsi komhlaba?

Ngokwesiqhelo akunjalo, kuba ifowuni yeofisi eqhelekileyo ayenzelwanga imozulu enobungozi, ukusebenza okuvaliweyo, ukumelana neempembelelo, okanye iimfuno zesandi zonxibelelwano olunengxolo phantsi komhlaba.

Yeyiphi imigangatho ebaluleke kakhulu kwizixhobo zonxibelelwano zasemigodini?

Ukhuseleko lwendawo enobungozi, ukhuseleko lokungena, kunye nemithetho yokhuseleko lwemigodi zezona zinto zibalulekileyo. Ngokuxhomekeke kwindawo, ukhuseleko lokuqhuma olusekelwe kwi-IEC kunye novavanyo lwe-IP ludla ngokuba yeyona nto iphambili kwiinkcukacha.

Kutheni ukucaca kwesandi kubaluleke kangaka kwinkqubo yefowuni yasemgodini?

Kuba ingxolo engaphantsi komhlaba inokuba phezulu, kwaye abasebenzi basenokuba banxibe izixhobo zokukhusela iindlebe okanye basebenze phantsi koxinzelelo. Ukuqonda okucacileyo kubaluleke ngakumbi kunomgangatho wesandi osetyenziswa ngabathengi.

Ndingayikhetha njani phakathi kwefowuni yemizi-mveliso kunye nefowuni engaqhumiyo?

Khetha ngokusekelwe kudidi lwendawo. Ukuba indawo inobungozi bokuqhushumba kwegesi okanye uthuli, ifowuni ekwaziyo ukumelana nokuqhuma ingafuneka; ukuba ingxaki ephambili kukuqina, imozulu, okanye ukumelana nokonakaliswa, enye imodeli yemizi-mveliso inokwanela.

Yintoni endifanele ndiyijonge phambi kokuba ndithenge izixhobo zonxibelelwano ezingaphantsi komhlaba?

Jonga ububanzi besatifikethi, ukhuseleko lokungena, ukusebenza kwesandi, ukufakwa, ukuqhubeka kwamandla, inkxaso yezixhobo ezisele, kunye nokuhambelana neenkqubo zongxamiseko.

Kutheni iiprojekthi zemigodi zikhetha izixhobo zonxibelelwano ezikhethekileyo?

Kuba izixhobo ezikhethekileyo zinciphisa umngcipheko wokutsha, ziphucula ukuthembeka, kwaye zixhasa unxibelelwano olungxamisekileyo ngcono kunezixhobo zabathengi ezisetyenziswa ngokubanzi.