Umdwebo 1: Amamojula wokuxhumana wedatha (DCM)
Imodyuli yokuxhumana yedatha (DCM) iyithuluzi le-On-board elihlanganisa kahle nezinhlelo ezinkulu zokuxhumana.Indima yayo eyinhloko ukuphatha ukushintshaniswa kwedatha phakathi kwenethiwekhi yangaphakathi yemoto nezinhlelo zangaphandle.Lokhu okuhlanganisiwe kusekela imisebenzi yemoto ehlukahlukene, kusuka ku-telemetry eyisisekelo kuya ezinhlelweni zokusiza zokushayela ezithuthukile (ADAS).I-DCM inamakhono aqinile wokucubungula, ukuvumela ukuphatha inani elikhulu ledatha kahle.Leli amandla asekela amaphrothokholi ayinkimbinkimbi wokubethela & ama-analytics we-real-time and real-time futhi aqinisekise ubuqotho bedatha nokuphepha.
Amamojula wokuxhumana kwedatha (DCM) Isici esisodwa ukuxhumana kwayo okukodwa, okusebenzisa eduze kwe-Field Communication (NFC) noma ubuchwepheshe be-Bluetooth ukusungula ukuxhumana okuphephile ngaphandle kokusetha umsebenzisi.Lokhu kuyasiza kuzimo ezibucayi noma zokuphepha ezibucayi, njengezimpendulo zemoto eziphuthumayo noma izibuyekezo ze-real-time navigation.Uhlelo olulodwa lokuthinta lwenzelwe ukugcina ukuxhumana okuthembekile ngisho nasezindaweni ezinokuvalwa kwenethiwekhi okungazinzile.
Umdwebo 2: Amamojula wokuxhumana wedatha
Ukuqina kwe-DCM ekugcineni ukuxhumana kuboniswa isici sayo sokuzenzakalelayo sokuzenzakalelayo.Lokhu kuyasiza ezindaweni zeselula lapho ukuphazamiseka kuvame khona.I-module isebenzisa ama-algorithms athuthukile ukuthola ukuxhumana okulahlekile & ngokushesha imizamo yokuxhuma kabusha.Lawa ma-algorithms abheka izici ezinjengamandla wesiginali, ukutholakala kwezindlela ezihlukile zenethiwekhi, kanye nokubekwa phambili kwethrafikhi ukwenza kahle ukuxhumeka kabusha.Ukubuyiselwa kabusha ukuxhumeka kunciphisa umthelela ekusebenzeni kohlelo kanye nesipiliyoni somsebenzisi & ukuthuthukisa ukuthembeka okuphelele kwenethiwekhi yokuxhumana yemoto.
I-transceiver iphakathi nendawo yokuxhumana yedatha yokuxhumana (DCM).Iphatha amasiginali wedatha ngokuguqula amasiginali edijithali abe yi-analog yokudlulisela kanye nezimpawu ze-analog zibuyele kwidijithali yokucutshungulwa.Lokhu kuguqulwa kuqinisekisa ubuqotho bemininingwane ngesikhathi sokudluliselwa kanye nokwamukela nokunciphisa amaphutha nokuhlanekezela.
I-processor isebenza njengeyunithi esetshenziswayo ecubungula amamojula wokuxhumana wedatha (DCM).Ikhipha amaphrothokholi wokuxhumana nokuphatha ukusebenzisana phakathi kwezakhi ze-DCM nenethiwekhi.Icubungula idatha engenayo nephumayo, ilawula ithrafikhi yenethiwekhi, futhi ixhumanise imisebenzi phakathi kwezingxenye zemodyuli.Ama-processor anamuhla anamandla, asekela ama-algorithms ayinkimbinkimbi wokuphepha, umzila wedatha, kanye nokulungiswa kwephutha.Ngakho-ke, thuthukisa ukukhishwa kohlelo lokuxhumana nokwethembeka.
Imemori kumojula yokuxhumana yedatha (DCM) isebenzisa izinhloso eziningi: ukugcina i-firmware yemodre, idatha yokuthola amandla, nokuganisa ukusebenza kohlelo.Lokhu kubalulekile ekusingatheni amavolumu amakhulu wedatha nokugcina ukusebenza okuphezulu ngesikhathi sokusetshenziswa kwe-Peak.Izisombululo zememori ezithuthukisiwe, ezinjengezobuchwepheshe bezinkumbulo ezingezonakele, bandisa ubuqotho bedatha & isivinini sokufinyelela, ukuqinisekisa ukuphendula kanye nokuqina komnyuzi.
Amachweba ezibonakalayo kumamojula wokuxhumana wedatha (DCM) ahlinzeke ngamaphoyinti okuxhuma kwamanye amadivaysi enethiwekhi nezinhlelo.Lawa machweba kufanele afinyeleleke futhi athembeke, axhase ukuxhumana okuhlukahlukene njenge-Ethernet yokufinyelela kwenethiwekhi, i-USB ye-Peripherals, namachweba e-Optical Pears okudluliswa kwedatha ephezulu.Idizayini yabo inquma ukuhambisana kwe-DCM nge-Network Architectures ehlukile kanye nokuhlanganiswa kwayo kwezinhlelo ezikhona ezinhlelweni ezikhona.
I-Power Supply Unit (PSU) kumamojula wokuxhumana kwedatha (DCM) iqinisekisa zonke izingxenye zamukela amandla adingekayo ukuze isebenze kahle.I-PSUS yesimanje isebenza kahle futhi iqinile, imvamisa ifaka i-Power Redundancy & Ukuvikelwa kuma-voltage spikes kanye nokushintshashintsha.
Le ndizo icubungula idatha yedijithali kumaza ethwala ngokudlulisela & amademoni athole amasiginali okukhipha idatha yedijithali.Ukusebenza kahle kwale mibukela kuthinta ukukhishwa kwedatha nobuqotho, ngoba kufanele kuhumushe ngokunembile idatha ukuze kusuka kufomu layo elidluliselwe ngaphandle kwamaphutha.Amasu wokuguqulwa athuthukile, njengokushintshwa kwe-Quadreature Amplitutution (Qam), andise amanani wedatha ngaphakathi kwe-bandwidthths etholakalayo.Ngakho-ke, uthuthukise amamojula wokuxhumana wedatha wokuxhumana kwe-DCM.
I-Signal conditioning Hardware ifaka ama-amplifiers, izihlungi, nezinye izinto ezidingekayo ukulungiselela amasiginali okudlulisela noma ukucwilisa amasiginali atholakele.Le Hardware isiza ekugcineni ikhwalithi yesiginali yedatha nobuqotho, ikakhulukazi ngaphezulu kwamabanga amade noma ezindaweni eziphakeme ze-electromagnete.Isimo sesiginali esisebenzayo siyaqinisekisa ukuxhumana kwekhwalithi ephezulu ngisho nangaphansi kwezimo ezingezinhle.
Isoftware yokuphathwa kwenethiwekhi kumamojula wokuxhumana wedatha (DCM) isetshenziselwa ukusetha, ukuqapha, nokuphatha imisebenzi.Ivumela abaphathi benethiwekhi ukuthi balungiselele amakheli, baphathe izindlela zedatha, kanye nezinkinga zokuxazulula inkinga kahle.Isoftware ethuthukisiwe ivame ukufaka ukusebenza kahle kwenethiwekhi okuzenzakalelayo nezici zokuhlanganisa izibikezelo.
Izici zezokuphepha eziku-DCM zifaka amaphrothokholi we-emprust encryption, izindlela ezivikelekile ze-boot, nezinhlelo zokulawula ukufinyelela ukuvikela ngokufinyelela okungagunyaziwe nokuphulwa kwedatha.Lezi zici ziqinisekisa ubumfihlo nokuvikeleka kwazo zonke imininingwane ezidluliselwe futhi ezitholile.Ukuqaliswa kokuphepha okuthuthukile kubhekisisa futhi ama-Anomalies kanye nezinsongo ezingaba khona ngesikhathi sangempela futhi zinikeze ukuvikelwa kwenethiwekhi okusebenzayo.
Lapho kuvela amandla, amamojula wokuxhumana wedatha (DCM) enza ukuzihlola okuphelele ukukhomba noma yiziphi izingqinamba zokusebenza.Lesi sinyathelo siqinisekisa zonke izingxenye ze-Hardware & Software zisebenza kahle.Lapho seluqinisekisiwe, i-DCM ilayisha i-firmware yayo efaka amaphrothokholi abalulekile nokucushwa okufana namapharamitha wenethiwekhi (amakheli we-IP nezilungiselelo zokuphepha).Lokhu kungahle kubekwe kabusha noma kunikezwe amandla nge-DHCP, kuqinisekisa ukuhlanganiswa kwenethiwekhi okubushelelezi kanye nokulungela imisebenzi.
Imodi yokuxhumana yedatha ye-Module (DCM)'s Main ukuphatha futhi icubungule idatha.Ithola amasiginali ahlukahlukene, kusuka kokufakwa okulula kwedijithali kuya kwisiginali eyinkimbinkimbi ye-analog kusuka ezinzwa noma ama-node wenethiwekhi.Imodyuli iguqula amasiginali we-analog ukuze acubungule ukucubungula & ukugcinwa kwesikhashana nokugcina ubuqotho bedatha nokunemba.Ngesikhathi sethrafikhi ephezulu yenethiwekhi, inkumbulo yemoduli isiza ukuphatha ukuhamba kwedatha, ukuvikela ukulahleka nokuqinisekisa ukusebenza okuqhubekayo.Iprosesa ixhumanisa le misebenzi, iphatha idatha yokusebenzisa idatha futhi isikulungiselele ukudluliselwa.
Umdwebo 3: Amamojula wokuxhumana wedatha
Ukuhanjiswa kwedatha kumamojula wokuxhumana wedatha (DCM) ahlelwe kahle.Idatha yemodyuli yedatha emaphaketheni noma amafreyimu, engeza izihloko namakhodi okuhlola amaphutha njengemigomo yokuxhumana ngayinye.Lokhu kulungiswa kuyadingeka ohambweni lwenethiwekhi yedatha.Ngemuva kokufomatha, imininingwane ilungiselelwe ukufanisa okuhambisanayo okuphakathi, noma ngabe i-fiber optic, i-wireless, noma ithusi elikuqinisekisa ukulethwa okusebenzayo nokungenaphutha.
Ama-DCM alandela izimiso eziqinile zokupakisha, ukubhekisisa, kanye nedatha yokuhambisa umzila kuyo yonke inethiwekhi.Lezi protocol zisiza ukugcina ubuqotho bedatha, ukwenza lula ukulungiswa kwephutha, nokuhambisa okudlulisela.Ukuhambisana kwe-Module yedatha (DCM)Futhi, imodyuli ifaka amathuluzi wokuphathwa kwenethiwekhi athuthukile wokulungiswa okuqhubekayo, ukuqapha, nokuxazulula inkinga okusheshayo.
Ezokuphepha nazo zibalulekile emisebenzini yokuxhumana yedatha (DCM).Amamojula asebenzisa ukubethela okuthuthukile nokufakazelwa kokugunyazwa kokuvikela ukuthunyelwa kwedatha nokuvimbela ukufinyelela okungagunyaziwe.Futhi banezici zokutholwa ngamaphutha njengokuhlola ukufundwa kabusha kwe-cyclic ukuthola nokuthola amaphutha okuhambisa.Lawa makhono aqinisekisa ukuthi i-DCM ingaphatha ukubuyiselwa kwemininingwane noma ukululama njengoba kudingeka.
Amamojula wokuxhumana we-Wirent - Amamojula wokuxhumana we-Wired asetshenziselwa amanethiwekhi adinga ukuthembeka okuphezulu nokuphathwa kwedatha evikelekile.Lawa mamojula asebenzisa imidiya ebonakalayo efana nezintambo zethusi ze-Ethernet (esekela zombili imininingwane namandla ngamandla we-Ethernet), amakhekhe ama-faaxial we-backhaul ukuxhumana kwe-backhals ngenxa yokuphazamiseka kwedatha enkulu.Zithandeka ezindaweni ezidinga ubuqotho bedatha eqinile nesivinini, njengezikhungo zedatha nezikhungo zezezimali.Ukuhlolwa kwephutha okuthuthukile & ama-algorithms aguqukayo wedatha athuthukisa ukuthembeka.
Amamojula wokuxhumana angenantambo - Amamojula wokuxhumana angenantambo anikeza ukuhanjiswa kwedatha okubalulekile ngaphandle kokuxhumana ngokomzimba, kusetshenziswa ubuchwepheshe obufana neRadio Frequency for Wi-Fi, ama-microwaves okuxhumana ngocingo, futhi infrared izilawuli ezikude.Lawa mamojula asetshenziswa kuzinhlelo zokusebenza ezifana nezinhlelo ezinhle zasekhaya, amadivaysi e-Inthanethi aphathekayo, ne-Intanethi yezinto (iot).Basekela amazinga ahlukahlukene & imvamisa, kusuka ku-2.4 ghz ye-Bluetooth ne-Wi-Fi kuya ku-5 GHZ ngamanani aphezulu wedatha nokuphazanyiswa okuncane.
Amamojula we-RFID (Radio Frequency Provication) - Amamojula we-RFID asebenza ngokukhethekile ekuhlonzeni nasekulandeleleni usebenzisa amaza omsakazo.Kubandakanya umfundi we-RFID & antennas ukuxhumana namathegi e-RFID angaba nje (akukho mthombo wamandla) noma asebenzayo (ebhethri-anikwe amandla ngobubanzi obude nememori eningi).Lobu buchwepheshe buyadingeka ezinhlelweni zokusungula ezenzakalelayo, ukuphathwa kokuthengwa kwezidingo, nezinhlelo zokusebenza zokuzazisa komuntu siqu.Isebenza ngempumelelo ngamathuba amafushane kumabanga aphakathi.
Amamojula wokuxhumana amaselula - Amamojula wokuxhumana kwamaselula Xhuma amadivaysi amanethiwekhi weselula, kusuka ku-2G kuya ku-5g yakamuva enikeza amanani wedatha ephezulu kanye ne-latency ephansi.Lawa mamojula asetshenziswa lapho ukumbozwa kwendawo okubanzi nokuhamba okudingekayo, njengokuphana kwezithuthi, izimoto zokuphendula eziphuthumayo, nezicelo ezibanzi ze-IOT.Beza nezindawo zokuxhumana zeSIM khadi & Sekela ama-protocol ahlukahlukene wenethiwekhi ukuqinisekisa ukuxhumana okungenamthungo kumanethiwekhi ahlukene amaselula emhlabeni jikelele.
Amamojula wokuxhumana we-satellite - Amamojula wokuxhumana we-satellite asetshenziselwa ukuxhumana ezindaweni ezikude noma ezisatshalaliswa emhlabeni jikelele.Basebenzisa ama-satellite e-geostary noma aphansi-womhlaba-ama-orbit ukuhambisa idatha ngamabanga amade - kuyadingeka ekuxhumaneni kwasolwandle, ukuxhumana kwasendaweni yasemakhaya, nokusakazwa komhlaba wonke.Lawa mamojula aphatha i-latency ephezulu kanye nezimo zesiginali eziguqukayo ezijwayelekile zokuxhumana se-satellite.Isebenzisa amasu wokuhlenga athuthukile kanye namaphutha wokulungisa amaphutha ukuqinisekisa ukuhanjiswa kwedatha okuthembekile.
Amamojula wokuxhumana we-Optical - Amamojula wokuxhumana we-Optical adlulisa idatha usebenzisa ukukhanya ngendwangu ye-fiber optic namanani aphezulu wedatha aphezulu ngokulahleka okuncane kakhulu kumabanga amade.Lawa mamojula abalulekile kwingqalasizinda ye-Intest ye-Backbone Nezikhungo zedatha lapho inani elikhulu ledatha lidinga ukudluliselwa okusheshayo.Ubuchwepheshe obufana ne-wavelength-Divising MultenityXing (WDM) Thuthukisa umthamo ngokuthumela imishayo eminingi yokukhanya kuma-wavelength ahlukene ngefayibha elihlukile - ukuphindaphinda amanani edatha.
I-DCMS isetshenziswa ekuxhumaneni ngocingo ukuphatha ukugeleza kwedatha kuwo wonke amanethiwekhi ukunika amandla i-Broadband ephezulu ye-Broadband, i-VoIP, ne-Video Conferencing.Basebenzisa ukuphatha ipakethe yedatha yokulethwa okusebenzayo, okungaphazamiseki, ngokuxhumana kwangempela.Amamojula wokuxhumana kwedatha (DCM) futhi aphathe ithrafikhi yenethiwekhi, aqalise ama-protocols wensizakalo yensizakalo (Qos), futhi anika amandla umkhawulokudonsa onjalo.
Esikhathini sezimboni ezenzakalelayo, i-DCMS Khulisa Ukuxhumana ngomshini (M2M) Ukuxhumana kwe-Real-Time Control & Ukuqapha kwemishini nezinhlelo.Bahlanganisa ubuchwepheshe be-IOT ngokukhiqiza ama-Smart, ukunika amandla ukugcinwa kokubikezela, ukuhlaziya isikhathi sangempela, kanye nokuphathwa okukude.Amamojula wokuxhumana kwedatha (DCM) asekela ama-robotic athuthukile kanye nemigqa yomhlangano ezenzakalelayo & aqinisekise ukuxhumana okungenamthungo ezindaweni eziyinkimbinkimbi zezimboni.
I-DCMS ifakwe kumadivayisi afana nama-Smartphones, amaphilisi, nama-smart harfbles ukuhlinzeka ukuxhumana okudingekayo.Banika amandla ukufinyelela kwenethiwekhi okungenantambo, baxhase i-GPS yezinsizakalo ezenzelwe indawo, futhi Xhuma namanye amadivaysi nge-Bluetooth noma i-NFC.Kwi-elekthronikhi yabathengi, i-DCMS Thuthukisa Ukusebenzisana Kwedivaysi, Sekela Ukusakazwa Kwezinsizakalo, futhi Nika amandla Ukuhlanganiswa Kwekhaya E-Smart.Inothina isipiliyoni somsebenzisi ngokuxhuma okuphezulu.
I-DCMS ithuthukisa ukuxhumana kwezimoto kokushayela okuzimele, i-telematics, kanye nezinhlelo zokuthola infotainment.Banika amandla imoto (v2v) ne-Vehicle-to-Instraction (V2i) Engstriactions (V2i) Engstriactions, ukuthuthukisa ukuphepha komgwaqo kanye nokuphathwa kwethrafikhi.I-DCMS isekela izici zokuphendula eziphuthumayo eziphuthumayo, ukuxilongwa kwangempela, nokuvuselelwa kwezindiza ngaphezulu kokuphakamisa ukuphepha nokusebenziseka kalula ezinhlelweni zezimoto.Ukusebenza okuqhubekayo kwe-DCM kokushayela okuzimele, kuqinisekisa ukuxhumana njalo nama-satellites, ingqalasizinda, nezinye izimoto zokuhambisa okuphephile.
Ekunakekelweni kwezempilo, ama-DCMS asetshenziselwa ukubhekwa kwe-telemedicine & nesiguli.Inika amandla ukudluliswa kwesikhathi sangempela kwedatha ebucayi.Benza lula ukuxilonga okukude, ukulandelela iziguli, nokuhlanganiswa kwedivaysi yezokwelapha ukuthuthukisa ukufinyelela kwezempilo kanye nemiphumela yeziguli.I-DCMS isekela ukuqapha okuqhubekayo namasu wokunakekelwa kwedatha, adingekayo ezifundeni ezingaphansi.
I-DCMS inika amandla ingqalasizinda ye-Smart City ngokuhlanganisa izinhlelo ezifana nokuphathwa kwethrafikhi, ukuthuthwa komphakathi, ukubhekwa kokuphepha.Baxhumanisa izinzwa ze-IOT namakhamera ukuya emapulatifomu aphakathi, ukulungiselela ukusetshenziswa kwezinsizakusebenza, ukuthuthukisa ukuphepha, nokusekela intuthuko esimeme.Amamojula wokuxhumana kwedatha (DCM) aguqula izindawo zasemadolobheni zisebenzise kahle, izindawo ezivumelanayo.
Emkhakheni wamandla, ama-DCMS aqapha futhi uphathe ukusatshalaliswa kwamandla namagridi ahlakaniphile.Balinganisa imithwalo yamandla, bahlanganisa imithombo evuselelekayo, futhi basebenzise imisebenzi yegridi.Lokhu kusebenza kusekela ukuguqulwa kwezinhlelo zamandla esimeme.Iqinisekisa ukuqina, ukusebenza kahle, kanye nokwethembeka ekusakazweni kwamandla ukuze kuhlangatshezwane nezidingo zamandla zanamuhla.
I-DCMS ithuthukisa izinhlelo zokuphepha.Idlulisela idatha yokubhekwa kanye namasiginali we-alamu ngesikhathi sangempela.Bathuthukisa amasistimu okulawula nokuqapha futhi banika amandla ukuphathwa kokuphepha okubandakanya kanye nokuphendula okusheshayo.Amamojula wokuxhumana kwedatha (i-DCM) eqinisekisayo, ukuhambisa okuphephile kwemininingwane yezokuphepha nokusekela ukubhekwa okuthuthukile nokuvikelwa okuthuthukile kwezikhungo nezindawo zomphakathi.
I-DCMS Qoqa futhi udlulisele idatha kusuka kumoya wokuhlola izinzwa kanye nekhwalithi yamanzi nezimo zezulu.Lolu lwazi lusiza izinhlaka zezemvelo zihlole impilo yezemvelo, zibikezele isimo sezulu, futhi ziqalise izindlela zokugcina zokongiwa kwezolondolozo nezinhlekelele.
KwezoLimo, ama-DCMS enza ukulima ngokunemba ngokuxhumanisa izinzwa nezinhlelo zokuphathwa kwepulazi.Baqoqa futhi bahlaziye idatha yesikhathi sangempela kumswakama wenhlabathi, impilo yezitshalo, kanye nezimo zemvelo.Lokho kusiza abalimi ekwenzeni izinqumo.Lobu buchwepheshe bukhulisa umkhiqizo, ukunciphisa ukusetshenziswa kwezinsiza, futhi kuthuthukise izivuno zezitshalo.Ixhasa izindlela ezizinzile zokulima ngemininingwane eqondile yokunciphisa imfucuza futhi yandise umphumela.
Ukubheka kumamojula wokuxhumana kwedatha (DCM) kusikhombisa ukuthi babaluleke kangakanani emhlabeni wanamuhla oqhutshwa yizwe.Ngokuphatha idatha kahle & ngokuphepha, i-DCMS Thuthukisa ukuthi amadivayisi axhuma kanjani futhi asebenza kanjani ezimotweni, amagajethi kagesi, nokuningi.Ngezici ezinjengokubuya ku-inthanethi ngokuzenzakalelayo & ukuphepha okuqinile, ama-DCMS athembekile ngokuxhumana okubalulekile kuzilungiselelo eziguqukayo.Njengoba ubuchwepheshe buqhubekela phambili, kusetshenziswa ama-DCMS ngobuhlakani emikhakheni ehlukene kukhombisa amandla abo okuletha izixazululo ezintsha, ukwenza imisebenzi ebushelelezi, futhi isekele imikhuba ye-eco-friendly eminyakeni yethu yedijithali.
I-DCMS ihlanganisa ubuchwepheshe besimanje njenge-NFC ne-Bluetooth ngenkathi uhlala uhambisana nezinhlelo ezindala.Basebenzisa amaphrothokholi athile ukuxhuma nobuchwepheshe obuphelelwe yisikhathi.Ngakho-ke, thuthukisa ukuphathwa kwedatha nokuphepha ngaphakathi kwalezi zinhlaka ezindala.
Yebo, ama-DCM aklanyelwe ukubekezelela izimo ezinzima, kufaka phakathi amazinga okushisa aphezulu, umswakama ophezulu, nokuphazamiseka kukagesi.Zifaka izingxenye zokuvikela nokukhangwa okuqinisekisa ukusebenza okuthembekile kungakhathalekile imvelo.
I-DCMS idinga ukulungiswa okuncane ngenxa yokwakheka kwawo okuqinile kombuso nezici zokuzihlola.Ukuvuselelwa kwesoftware ejwayelekile & amasheke we-Hardware ngezikhathi ezithile asiza ukugcina ukusebenza kahle.
I-DCMS evikelekile idatha enemfihlo eqinile, izinqubo ezivikelekile ze-boot, nezinhlelo ezilawulwa ukufinyelela.Lezi zinyathelo zibalulekile emasimini afana nezokunakekelwa kwempilo kanye nezimali, ukuqinisekisa ukuhambisana nemithetho yemfihlo eqinile kanye nokuvikela imininingwane ebucayi.
I-DCMS Thuthukisa ukusebenza kahle kohlelo ngokwenza kahle ukuhanjiswa kwedatha nokunciphisa ukuxhumana okungadingekile.Bafaka izingxenye zokonga amandla kanye namasu wokuphatha ukuze alondoloze ukusetshenziswa kwamandla okuphansi ngenkathi uqinisekisa ukusebenza okuphezulu.
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