Isikhokelo sokuthenga ngefowuni esingqina ukuqhuma kweeprojekthi zoshishino

Intshayelelo

Ukukhetha izixhobo zonxibelelwano kwiindawo ezinobungozi kubandakanya okungaphezulu nje kokufanisa iimpawu kunye nexabiso. Kwiprojekthi zoshishino, ifowuni engakwaziyo ukuqhuma kufuneka ihlangabezane nemithetho yokwahlulahlula indawo, imelane neemeko zokusebenza ezinzima, kwaye ihlale ithembekile ngexesha likaxakeka xa unxibelelwano lubaluleke kakhulu. Esi sikhokelo sichaza imigangatho ephambili, iinkcukacha zobugcisa, kunye nezinto ezingqongileyo ezifanele zibumbe isigqibo sokuthenga. Abafundi baza kufunda indlela yokuthelekisa iimfuno zesatifikethi, ukuqina kwento ebiyelweyo, ukusebenza kwesandi, iimfuno zamandla kunye nokufakelwa, kunye nezinto eziqwalaselwayo zokugcinwa komjikelo wobomi, okwenza kube lula ukukhetha izixhobo ezixhasa ukuthotyelwa kwemithetho, ukuqhubeka kokusebenza, kunye nokhuseleko lwabasebenzi.

Kutheni Kubalulekile Ukuba Isikhokelo Sokuthenga Ngefowuni Sibe Nobungqina Bokuqhushumba

Ukuthenga izixhobo zonxibelelwano kwiindawo zoshishino eziyingozi kufuna ukuhamba ngemilinganiselo entsonkothileyo yokhuseleko, iinkcukacha zobugcisa, kunye neemfuno zokusebenza. Ifowuni ekwaziyo ukuqhuma ayisiyosixhobo sonxibelelwano nje kuphela; sisixhobo esibalulekileyo sokhuseleko lobomi esenzelwe ukuthintela ukutsha kweegesi eziguquguqukayo, umphunga, okanye uthuli oluvuthayo. Ukukhetha izixhobo ezingalunganga kunokubangela ukungaphumeleli okukhulu, isohlwayo semithetho, kunye nemingcipheko enzima yabasebenzi.

Esi sikhokelo sinika iingcali zobunjineli, ukuthenga, kunye nokusebenza ngendlela ecwangcisiweyo yokuvavanya, ukukhetha, kunye nokusebenzisa iifowuni ezingaqhumiyo. Ngokuqonda iimfuno ezingqongqo zokwahlulwahlulwa kweendawo ezinobungozi, imibutho inokuphucula iindleko zayo zemali ngelixa iqinisekisa unxibelelwano olungaphazanyiswayo ngexesha leefestile ezibalulekileyo zokusebenza.

Indlela ukusilela konxibelelwano kwindawo enobungozi okwandisa ngayo umngcipheko weprojekthi

Kwimimandla enobungozi obukhulu efana nokucocwa kwe-petrochemical, ukugrumba elwandle, kunyeukwemba phantsi komhlaba, iziseko zonxibelelwano zenza umqolo wempendulo engxamisekileyo. Xa ifowuni eqhelekileyo yemizi-mveliso ingasebenzi kwimeko eguquguqukayo, inokusebenza njengomthombo wokutsha. Ngaphaya komngcipheko wokuqhuma kwangoko, isiphumo sesibini sokungaphumeleli konxibelelwano kukulibaziseka kwempendulo engxamisekileyo. Kwiimeko ezibalulekileyo, ukulibaziseka ngaphaya kwexesha eliqhelekileyo lempendulo engxamisekileyo yemizuzu emi-3 kunokunyusa iziganeko zasekuhlaleni zibe ziintlekele ezikwiziko liphela.

Ngaphezu koko, ixesha lokungasebenzi konxibelelwano linemiphumo emibi kakhulu kwezemali.icandelo leoyile negesi, ixesha lokungasebenzi elingacwangciswanga linokudlula i-$250,000 ngeyure. Ukuba iziko lokusebenza alikwazi ukunxibelelana neengcali zasentsimini kwindawo yeZone 1 ngenxa yokungasebenzi kakuhle kwefowuni, imveliso kufuneka imiswe rhoqo de ikhonkco lonxibelelwano liphinde lasekwa. Ukutyala imali kwizixhobo eziqinisekisiweyo ezithintela ukuqhuma kunciphisa ezi ziphazamiso zokusebenza zibizayo ngelixa kugcinwa ukuthotyelwa ngokungqongqo kwemigaqo yokhuseleko emsebenzini.

Zeziphi iindawo zoshishino ezifuna iifowuni ezikwaziyo ukumelana nokuqhuma

Imfuneko yefowuni engaqhumiyo ixhomekeke kubukho kunye nokuphindaphindeka kweemeko eziqhumayo, ezihlelwe kwihlabathi liphela ngokweenkqubo zeZone okanye zeDivision. Izibonelelo ezisingatha iihydrocarbons eziguquguqukayo, ezifana neeterminals ze-LNG, izityalo zokucubungula iikhemikhali, kunye neendawo zokugcina amafutha eenqwelo-moya, ngokwemvelo zifuna iindawo zonxibelelwano eziqinisekisiweyo ngamaxesha athile.

Iindawo ezahlukeneyo zilawula amanqanaba ahlukeneyo okhuseleko lwezixhobo. Umzekelo, indawo yokuphatha iinkozo ejongene nothuli oluvuthayo ifunaIsatifikethi se-ATEX Zone 21 okanye 22, ngelixa isixhobo seoyile esiselunxwemeni sifuna iziqinisekiso zegesi zeZone 1 okanye zeZone 2. Ukuqonda ulwahlulo oluthile lwendawo yokufakela linyathelo lokuqala eliyimfuneko kwinkqubo yokuthenga.

Iimfuneko zobugcisa kunye nokuThotyelwa kweMithetho

Ukuvavanya ifowuni engakwaziyo ukuqhuma kufuna ukuqonda ngokubanzi iinkcukacha zayo zobugcisa kunye nokuthobela imithetho. Abathengi bemizi-mveliso kufuneka bajonge ngaphaya kokusebenza okusisiseko ukuze bavavanye indlela ubunjineli besixhobo obuhambelana ngayo neengozi ezithile zendawo yokusasazwa.

Zeziphi iireyithingi kunye neziqinisekiso zendawo enobungozi ezibalulekileyo

Isiseko saso nasiphi na isixhobo sendawo enobungozi sisiqinisekiso saso. Iifreyimu ezaziwayo kwihlabathi liphela ziquka i-ATEX (iYurophu), i-IECEx (yaMazwe ngaMazwe), kunye ne-UL/CSA (eMntla Melika). Ifowuni efakwe kwindawo enobungozi kufuneka ibe neempawu ezifanelekileyo, ezifana ne-'Ex d' kwiindawo ezivalekileyo ezingatshiyo, ezenzelwe ukubamba ukuqhuma kwangaphakathi ngaphandle kokutshisa umoya wangaphandle. Ngaphandle koko, i-'Ex i' imele ukhuseleko lwangaphakathi, apho amandla ombane anqunyelwe ngaphantsi komda wokutsha komxube wegesi othile.

Abathengi kufuneka baqinisekise iqela legesi (umz., IIA, IIB, okanye IIC kwiigesi eziguquguqukayo kakhulu ezifana ne-hydrogen) kunye nodidi lobushushu (T1 ukuya kwi-T6). Umzekelo, umlinganiselo we-T6 uqinisekisa ukuba ubushushu obuphezulu bomphezulu wesixhobo abuyi kudlula kwi-85°C (185°F), nto leyo eyenza ukuba sikhuseleke kwiindawo ezineekhemikhali ezishushu ezizitshisayo njenge-carbon disulfide.

Indlela yokuthelekisa indawo ebiyelweyo, ukhuseleko lokungena, kunye nokuqina kwayo

Iindawo zoshishino zibeka izixhobo kwimeko yemozulu embi kakhulu, iikhemikhali ezirhabaxa, kunye nempembelelo ebonakalayo. Ngenxa yoko, amanqaku ezinto ezivalekileyo kunye nokukhuselwa kokungena (IP) zizinto ezibalulekileyo zokuthelekisa. Uninzi lweefowuni ezisemgangathweni ezikwaziyo ukuqhuma zibonelela ngomlinganiselo we-IP66 okanye we-IP67, oqinisekisa ukhuseleko olupheleleyo ekungeneni kothuli kunye nokuxhathisa iijethi zamanzi ezinoxinzelelo oluphezulu okanye ukuntywiliselwa okwethutyana.

Ukukhethwa kwezinto ezisetyenzisiweyo kulawula ukuqina kwexesha elide. I-Glass Reinforced Polyester (GRP) inika ukumelana okuhle kweekhemikhali kunye ne-UV, nto leyo eyenza ukuba ifaneleke kakhulu kwizityalo zeekhemikhali ezikwi-offshore. I-alloy ye-aluminium yodidi lolwandle iqhelekile ukusetyenziswa kwimizi-mveliso ngokubanzi, ngelixa intsimbi engagqwaliyo ye-316L iyindlela yegolide yamaqonga akwi-offshore ngenxa yokumelana kwayo okungenakuthelekiswa nanto nokugqwala kwetyuwa. Ukongeza, abathengi kufuneka bagunyazise umlinganiselo wokuxhathisa impembelelo ye-IK10, ukuqinisekisa ukuba indawo ebiyelweyo inokumelana nempembelelo ye-20-joule ngaphandle kokuphazamisa ukuthembeka kwayo kokumelana nokuqhuma.

Zeziphi iimpawu zomsindo, umqondiso, kunye namandla ezibalulekileyo

Kwiindawo apho ingxolo ejikeleze umhlaba idlula i-80 dB ukuya kwi-90 dB, amandla aqhelekileyo omsindo awanelanga. Ifowuni engakwaziyo ukuqhuma kufuneka ibe neemakrofoni eziphucukileyo zokurhoxisa ingxolo kunye nee-amplifier ezidibeneyo. Iiringi zangaphandle ezidibeneyo okanye ii-beacon zihlala ziyimfuneko, zifuna amanqanaba okukhupha isandi phakathi kwe-90 dB kunye ne-110 dB ukuze avakale phezu koomatshini abanzima.

Uyilo lwamandla lubaluleke ngokulinganayo. Iimodeli zeVoIP/SIP zanamhlanje zihlala zisebenzisa iPower over Ethernet (PoE) enamathela kwimigangatho ye-IEEE 802.3af (15.4W) okanye i-802.3at (30W), nto leyo eyenza kube lula ukufaka ngokudibanisa amandla kunye nedatha kwintambo enye. Iinkqubo ze-analog zihlala zixhomekeke kwiamandla omgca avela kwi-PBX(ukusuka kwi-24VDC ukuya kwi-48VDC) okanye ifuna amandla e-AC mains asekuhlaleni (110-230VAC) ukuqhuba izandi zangaphandle ezine-decibel ephezulu kunye neebhekoni ezibonakalayo.

Indlela yokuthelekisa iinketho zefowuni ezingqina ukuqhuma

Nje ukuba iimfuno zobugcisa zimiselwe, amaqela okuthenga kufuneka ahambe ngendlela athengisa ngayo. Ukuthelekisa iindlela zokukhetha kubandakanya ukuhlalutya ukuthembeka kwabathengisi kunye netekhnoloji yonxibelelwano esisiseko ukuqinisekisa ukuhlanganiswa okungenamthungo neziseko zophuhliso ezikhoyo zesiza.

Zeziphi iindlela zokusebenzisa xa kuthelekiswa umthengisi

Xa kuphicothwa ababoneleli abanokubakho, abathengi bemizi-mveliso kufuneka babeke phambili imilinganiselo yokuthembeka eqinisekisiweyo kunye nozinzo lwekhonkco lobonelelo. Isalathisi esiphambili somgangatho yiMean Time Between Failures (MTBF). Iifowuni ezingakwaziyo ukuqhuma ezikumgangatho wemizi-mveliso kufuneka zibonise i-MTBF edlula iiyure ezingama-50,000 phantsi kokusebenza okuqhubekayo. Amagama ewaranti akwasebenza njengommeli womgangatho; abavelisi abathembekileyo badla ngokubonelela ngeminyaka emi-2 ukuya kwemi-3 yokugubungela iwaranti epheleleyo.

Iikhrayitheriya zezothutho zibaluleke ngokulinganayo. Izixhobo ezikhethekileyo zendawo enobungozi zihlala zinexesha elide lokuvelisa. Abathengi kufuneka balindele amaxesha aqhelekileyo okukhokela eeveki ezi-4 ukuya kwezi-8, nangona ulungelelwaniso oluqhelekileyo olubandakanya iirelay ezikhethekileyo okanye ukupheliswa kwe-fiber-optic lunokwandiswa ukuya kwiiveki ezili-12. Ukongeza, ubuNcinci boMgangatho we-oda (ii-MOQ) kufuneka buvavanywe; ngelixa iiprojekthi ezinkulu zihlangabezana ngokulula nee-MOQ eziphezulu, ukugcinwa okanye ukuthunyelwa kwe-pilot kunokufuna abathengisi abazimisele ukubonelela ngeeyunithi ezi-1 ukuya kwezi-5 ngaphandle kwentlawulo eyongezelelweyo ephezulu.

Ziziphi iindlela zokutshintshiselana ezikhoyo phakathi kweemodeli ze-analog, i-VoIP, kunye ne-SIP

Ukukhetha phakathi koyilo lwe-analog, i-VoIP, kunye ne-SIP ngokusisiseko kunefuthe elibi lokufakelwa kunye nobuchule benkqubo. Iifowuni ze-analog zithembeke kakhulu, zisebenzisa iziseko zobhedu ezindala ezineentambo ezimbini, kwaye zinokuthumela imiqondiso kumgama omde odlula iimitha ezingama-5,000 ngaphandle kokwandiswa. Nangona kunjalo, azinazo izixhobo zokuxilongwa eziphambili kwaye zifuna imigca yombane eyahlukileyo yezixhobo zokubonisa iimpawu ezinzima.

Ngokwahlukileyo koko, iifowuni zeVoIP kunye ne-SIP zidityaniswa ngqo kwiinethiwekhi zanamhlanje ze-IP-PBX, zibonelela ngolawulo olukude, ukujonga i-SNMP, kunye nokuxela iimpazamo ngokuzixilonga. Eyona nto iphambili kukuthintelwa komgama; i-Ethernet eqhelekileyo ithintela ukudluliselwa kwiimitha ezili-100, nto leyo ebangela ukuba kubekho ii-converter ze-fiber-optic media okanye ii-switches zenethiwekhi ezikhuselekileyo ngaphakathi ukuze kusetyenziswe i-field deployments ebanzi.

Amanyathelo okuthenga, okufakela, kunye nokulungisa

Ukufumana izixhobo zekhompyutha kuncinci kakhulu kunomjikelo wobomi bokusetyenziswa. Kufuneka iziqinisekiso zomthengisi ezingqongqo, iiprotokholi zovavanyo ezingqongqo, kunye neenkqubo zokufakela ezicokisekileyo ukuze kugcinwe ukuthembeka kwenkqubo yokugqibela okukhusela ukuqhuma.

Indlela yokufaneleka kwababoneleli kunye nokujonga amaxwebhu

Ukufaneleka komthengisi wezixhobo ezinobungozi kudlulela ngaphaya kokoisiqinisekiso esiqhelekileyo se-ISO 9001Abathengisi kufuneka babe neSaziso soQinisekiso loMgangatho we-ATEX (QAN) okanye iNgxelo yoVavanyo loMgangatho we-IECEx (QAR). Ezi zatifikethi ziyalela ukuba umenzi agcine ukulandelelwa okungqongqo kwazo zonke izinto ezibalulekileyo, ukuqinisekisa ukuba iyunithi ehanjisiweyo ihambelana ngqo nomzekelo ovavanyiweyo ngumzimba onolwazi.

Amaqela okuthenga kufuneka afune iphakheji epheleleyo yamaxwebhu ngaphambi kokuba athunyelwe. Le fayili kufuneka iquke iSibhengezo sokuThotyelwa kweMvumelwano (i-DoC), izatifikethi zendawo enobungozi, iincwadi zabasebenzisi, kunye neemeko ezithile zokusetyenziswa (ezidla ngokuchazwa ngo-'X' ekupheleni kwenombolo yesatifikethi). Ukungabikho kwamaxwebhu kunokubangela ukungaphumeleli kwangoko ngexesha lokuhlolwa kokhuseleko lwendawo.

Yintoni ekufuneka uyijonge ngexesha lovavanyo lokwamkelwa kwefektri

Uvavanyo loKwamkelwa kweFactory (i-FAT) luyindlela ebalulekileyo ngaphambi kokuba izixhobo ziphume kumvelisi. Abathengi kufuneka bacele iiprotokholi ze-FAT eziqinisekisa ukucaca konxibelelwano kunye nemida yokhuseleko. Uvavanyo lwe-acoustic kufuneka luqinisekise ukuba ukucinywa kwengxolo yemakrofoni kusebenza ngokufanelekileyo ngokuchasene nengxolo yangasemva eyi-85 dB ubuncinane.

Uvavanyo lokhuseleko lombane lubaluleke kakhulu. Kwiiyunithi ezisebenzisa amandla amakhulu, uvavanyo lwamandla e-dielectric (oludla ngokusebenzisa i-1.5kV AC umzuzu omnye) luqinisekisa ukuthembeka kobushushu. Abavelisi abaziwayo bagcina izinga leziphene elingaphantsi kwe-0.5% ngexesha le-FAT. Nayiphi na iyunithi engaphumeleliyo kwezi ziseko kufuneka ivalelwe kwaye isetyenzwe kwakhona ngaphambi kokuba ithunyelwe.

Indlela yokucwangcisa uphando lwendawo, ukufakela, kunye nokuqalisa

Ukulungiselela ukufakelwa kuqala ngophando oluneenkcukacha lwendawo ukuze kuchongwe indlela yokuhambisa intambo, iiprofayili zengxolo engqongileyo, kunye neendawo zokufakela ulwakhiwo. Abafaki kufuneka banikele ingqalelo engqongqo kwiingcingo ezifakwayo; iifowuni ezingakwaziyo ukuqhuma zihlala zineengcingo ze-M20 okanye i-1/2-intshi ye-NPT. Ukusebenzisa ii-glands zentambo ze-Ex d okanye ze-Ex e eziqinisekisiweyo kuyimfuneko, njengoko i-gland eqhelekileyo iya kuyiphelisa yonke ireyithingi yokhuseleko lwe-enclosure.

I-Ergonomics kunye nokufikeleleka kuthetha ukuba iifowuni kufuneka zifakelwe kubude obuyi-1.2m ukuya kwi-1.5m (47 ukuya kwi-59 intshi) ukusuka kumgangatho ogqityiweyo womgangatho (FFL), ngokuhambelana nemigangatho ye-ADA okanye yokufikeleleka kwendawo apho kufanelekileyo. Emva kokufakelwa, kufuneka kusekwe ishedyuli yolondolozo engqongqo, ebonisa uhlolo olubonakalayo rhoqo kwiinyanga ezi-6 ukuya kwezi-12 ukujonga ukuwohloka kwetywina, ukugqwala kwiindlela zomlilo, kunye nokuqina kweentambo ezixhonyiweyo.

Indlela yokwenza isigqibo sokugqibela sokuthenga

Isigqibo sokugqibela sokuthenga sifuna ukulungelelanisa izinto eziyimfuneko zobugcisa kunye neenyaniso zemali. Ngokudibanisa imeko ethile yesicelo kunye nesakhelo sesigqibo esakhiweyo, imibutho inokukhetha izixhobo ezibonelela ngokhuseleko oluphezulu kunye nokusebenza kakuhle.

Zeziphi iimeko zesicelo ezinceda ukunciphisa ukhetho

Ukuchaza imeko echanekileyo yokusetyenziswa kwayo kunciphisa kakhulu intsimi yeemveliso ezisebenzayo. Umzekelo, isixhobo sokugrumba esingaphandle kolwandle esivezwe kwiindawo ezinetyuwa kunye nemozulu embi kakhulu kufuneka ifowuni ye-SIP yentsimbi engagqwaliyo ye-316L, ene-IP67-rated ene-110 dB beacon edibeneyo. Olu lwakhiwo luhlala luwela kwibhendi yexabiso eliphezulu ukusuka kwi-$1,800 ukuya kwi-$2,800+ ngeyunithi nganye.

Ngokwahlukileyo koko, indawo yokulungisa amayeza okanye iikhemikhali yangaphakathi esebenza kwindawo yeZone 1 inokufuna kuphela ifowuni ye-analog ene-GRP, elinganiswe nge-IP66. Ngaphandle kwemfuneko yokubaukuthintela imozulu kakhuluokanye uthungelwano oluntsonkothileyo lwe-IP, le meko ivumela icebo lokuthenga elinoqoqosho oluthe kratya, kunye neeyunithi ezinokuthenjwa ezifumaneka kuluhlu lwe-$800 ukuya kwi-$1,500. Ukuchonga le miqathango ithile yemeko ethile kuthintela ubunjineli obugqithisileyo kunye nenkcitho yemali echithwayo.

Yeyiphi indlela yokwenza izigqibo ehambelana nobunjineli, ukuthengwa, kunye nokuvula

ukutya okunesondlo

Isigqibo sokuthenga esiphumeleleyo sixhomekeke kwisakhelo seTotal Cost of Ownership (TCO) esivavanyiweyo kwixesha eliqhelekileyo leminyaka eli-10 yeshishini. Amaqela obunjineli abeka phambili ukuthobela imithetho, i-MTBF, kunye nokuhlanganiswa kwenkqubo. Ukuthengwa kwempahla kugxila kwiNdleko yokuqala yeCapital (CAPEX), amaxesha okukhokela, kunye nemigaqo yabathengisi. Amaqela okusebenza kunye nokugcinwa kwempahla ajongene neNdleko yokuSebenza (OPEX), egxile ekulungiseni lula, ukufumaneka kwezixhobo ezingasetyenziswayo, kunye nokukwazi ukuxilonga.

Ngokusebenzisa iimodeli ze-SIP/VoIP, imibutho inokujongana ne-CAPEX yokuqala ephezulu ngama-20% ukuya kuma-40% xa kuthelekiswa neenkqubo ze-analog. Nangona kunjalo, i-OPEX iyancipha kakhulu ngenxa yamandla okujonga kude, okususa isidingo sokuhlolwa kwendawo ebonakalayo ukuqinisekisa imeko yesixhobo. Ekugqibeleni, ukulungelelanisa ezi zinto zintathu ziphambili zesebe kuqinisekisa ukuba ifowuni ekhethiweyo engakwaziyo ukuqhuma inika ukuthobela ukhuseleko okuqinileyo, ukusebenza kakuhle kwezemali, kunye nenkxaso yokusebenza yemihla ngemihla engenamthungo.

Izinto ezibalulekileyo ekufuneka ziqwalaselwe

• Izigqibo ezibalulekileyo kunye nesizathu soBungqina bokuqhuma kwefowuni
• Iinkcukacha, ukuthobela imithetho, kunye nokuhlolwa komngcipheko okufuneka kuqinisekiswe ngaphambi kokuba uzibophelele
• Amanyathelo alandelayo asebenzayo kunye nezilumkiso abafundi abanokuzisebenzisa ngoko nangoko

Imibuzo ebuzwa qho

Sisiphi isiqinisekiso ekufuneka ifowuni engakwaziyo ukuqhuma ibe naso kwiwebhusayithi yam?

Tshatisa ifowuni kwindawo yakho enobungozi: i-ATEX/IECEx kwiiprojekthi ezininzi zehlabathi, kunye neNdawo echanekileyo, iqela legesi, kunye nodidi lobushushu olufana neNdawo 1, IIC, T6.

Ngaba ireyithingi ye-IP66 okanye ye-IP67 yanele kwiiprojekthi zoshishino ezinobungozi?

Iyanceda, kodwa ayonelanga yodwa. Sebenzisa i-IP66/IP67 ukukhusela uthuli namanzi, uze uqinisekise ukuba ifowuni inesiqinisekiso esifanelekileyo sokumelana nokuqhuma kwendawo.

Ngawaphi amashishini adla ngokufuna iifowuni ezikwaziyo ukumelana nokuqhuma?

Zisetyenziswa kakhulu kwioyile negesi, kwizityalo zeekhemikhali, kumaqonga angaphandle kolwandle, kwimigodi, kwiindawo zokugcina amafutha, nakwiindawo ezinomngcipheko wothuli ezifana neendawo zokucubungula iinkozo.

Ndingaqinisekisa njani umgangatho wemveliso kunye nokuthembeka kokuhanjiswa kwayo kwiSiniwo?

Jonga iziqinisekiso ezifana ne-ATEX, CE, FCC, ROHS, kunye ne-ISO9001, kwaye ubuze ngamaxesha okunikezelwa kwemveliso. USiniwo ukwathi wenza ngaphezulu kwe-90% yezinto eziphambili ngaphakathi ukuze zihlale zisemgangathweni.

Ngaba uSiniwo angaxhasa yonke le projekthi, angapheleli nje ekunikezeni umnxeba?

Ewe. Ngokutsho kwe-siniwo.com, iSiniwo ibonelela ngeenkonzo zonxibelelwano lwemizi-mveliso eziquka uyilo, ukuhlanganiswa, ukufakwa, ukugcinwa, kunye neenkqubo ezinxulumene noko ezifana ne-PA, i-paging, kunye ne-VoIP.