Isikhokelo Esibalulekileyo Sokujonga Iingqayi Ezichanekileyo
Utyalo-mali kwi Isikali sokujonga esichanekileyo esiphezulu sisigqibo esibalulekileyo. Sikhusela uphawu lwakho kwaye siphucula ukusebenza kakuhle. Imakethi yezi nkqubo iyakhula, kulindeleke ukuba ifikelele ngaphezulu kwe-USD 309.4 yezigidi ngo-2032. Esi sikhokelo sikunceda ukuba ujonge ukhetho lwakho. Ukukhetha okulungileyo I-Checkweigher echanekileyo kakhulu yebhegi yokutya okanye ezinye iimveliso zifuna ukucingisiswa ngononophelo.
Phawula: Ukukhetha inkqubo echanekileyo kubandakanya ukubuza imibuzo ebalulekileyo. Ziziphi iimpawu ezikhethekileyo zemveliso yakho? Isantya somgca wakho sichaphazela njani ukhetho? Yeyiphi imigangatho yokuthobela imithetho ekufuneka uyihlangabezane nayo? Uyivavanya njani ixabiso lilonke ngaphaya kwexabiso lokuqala? Ukuphendula le mibuzo kuqinisekisa ukuthengwa ngempumelelo.
Izinto ezibalulekileyo ekufuneka ziqwalaselwe
- Qonda iimpawu zemveliso yakho, isantya somgca, kunye nendawo engqongileyo yefektri. Oku kuyakunceda khetha eyona sixhobo sokulinganisa esifanelekileyo.
- Jonga iseli yomthwalo ye-checkweigher, inkqubo yokwala, kunye nesoftware. Ezi ndawo ziqinisekisa ukuba isebenza kakuhle.
- Cinga ngokongeza izixhobo zokubona isinyithi okanye iinkqubo ze-X-ray. Zenza iimveliso zakho zikhuseleke kwaye zibe ngcono.
Inyathelo 1: Chaza iimfuno zakho zesicelo
Ukukhetha inkqubo elungileyo kuqala ngokuqonda nzulu iimfuno zakho ezithile. Kufuneka uqale uchaze iiparameters ezikhethekileyo zesicelo sakho. Eli nyathelo lisisiseko liqinisekisa i-checkweiger ekhethiweyo isebenza kakuhle kwaye inika imbuyekezo enamandla kutyalo-mali.
Hlalutya Iimpawu zeMveliso
Kufuneka ubhale phantsi iimpawu zomzimba zeemveliso zakho. Ubungakanani, imilo, ubunzima, kunye nokuzinza kwento nganye kuchaphazela ngokuthe ngqo uyilo lwe-checkweigher. Inkqubo eyenzelwe iibhokisi ezifanayo ayizukusebenza kakuhle kwiingxowa ezingazinzanga.
Cinga ngoluhlu olupheleleyo lweemveliso eziza kudlula ngaphaya komgca. Nika ingqalelo ekhethekileyo kwizinto ezinzima ukuziphatha. Ezi zingabandakanya:
- Iingxowa ezithambileyo okanye iingxowa ezinokuzinza okanye zitshintshe
- Izinto ezimile ngendlela engaqhelekanga ezifana nokutya kwaselwandle okanye ukutya okuthile okulula
- Izikhongozeli eziqinileyo ezineejometri ezingezizo ezisemgangathweni
- Iimveliso ezibhotileni, ingakumbi ezo zinemilo eyahlukileyo
Iipakethe ezizinzileyo neziqinileyo zezona zilula ukuzilinganisa ngokuchanekileyo ngesantya esiphezulu. Iimveliso ezingazinzanga okanye ezithambileyo zifuna uyilo olukhethekileyo lokuhambisa kunye nexesha elide lokulinganisa ukuze kuqinisekiswe umlinganiselo ochanekileyo.
Vavanya isantya soMgca weMveliso kunye nokuPhuma kwawo
Isantya somgca wakho wemveliso siyinto ebalulekileyo. Kufuneka ulinganise amandla omgcini-silinganisi kunye nomthamo womgca wakho, olinganiswa kwiimveliso ngomzuzu (PPM). Inkqubo ecothayo kakhulu iya kudala ingxaki. Inkqubo ekhawulezayo kakhulu inokuba yindleko engeyomfuneko.
Ukutshintshatshintsha kwesantya sokuhambisa kukwachaphazela ukuchaneka kokulinganisa. Isixhobo sokujonga ubunzima sinomlinganiselo omncinci wokulinganisa izinto kwisixhobo sokuhambisa esikhawulezayo. Eli xesha lifutshane linokwandisa amathuba eempazamo. Kuya kufuneka ukhethe inkqubo enokulawula isantya sakho esiphezulu sokuhambisa ukuze igcine ukuchaneka.
Amashishini ahlukeneyo aneemfuno ezahlukeneyo zokuvelisa imveliso. Amacandelo okutya neziselo adla ngokufuna isantya esiphezulu kakhulu. Itheyibhile engezantsi ibonisa amazinga aqhelekileyo okuvelisa imveliso kwiimodeli ezahlukeneyo zokujonga ubunzima.
| Imodeli yokulinganisa ubunzima | Isicelo/Ishishini | Ubungakanani bomsebenzi (p/min) |
|---|---|---|
| TG32-A | Iimveliso zeConfectionery | 200 |
| I-GM CW-3K | Ukutya, iikhemikhali ezisetyenziswa imihla ngemihla, ilaphu, ukupakisha | 100 |
| CW/10 | Iimveliso zokutya | 0 - 250 |
| I-V2000 CAN | Ukutya neziselo | 400 - 600 |
| Uthotho lweTYA-CW | Iibhotile, ukutya | 200, 150, 120 |
| I-HL 3200 CHB | Iibhotile zeplastiki, ukutya | 600 |
Vavanya imeko-bume yemveliso
Indawo yakho yefektri inemingeni eyahlukileyo kwizixhobo zokulinganisa ubunzima obubuthathaka. Kufuneka uqwalasele izinto ezifana nobushushu, ukufuma, uthuli, kunye nokungcangcazela. Ezi zinto zinokuchaphazela ukuchaneka kunye nobomi bomsebenzi Isikali sokujonga esichanekileyo esiphezulu.
Ingcebiso yeNgcali: Utshintsho lobushushu kunye nokungcangcazela komgangatho wefektri zizinto ezisongela ngokuthe cwaka ukuchaneka. Utshintsho olukhulu lobushushu lunokubangela ukuba izinto zesinyithi kwiseli yomthwalo zigobe. Ukungcangcazela okuvela kumatshini okufutshane kunokuphazamisa ukufundwa okubuthathaka. Isixhobo sokujonga umgangatho siya kuba neempawu zokulungisa ezi zinto zingqongileyo.
Iinkqubo zokufuma kunye nokucoca nazo zifuna ukhuseleko oluthile lwezixhobo. Izixhobo ezisetyenziswa kwiindawo zokuhlamba zifuna umlinganiselo ophezulu woKhuseleko lokuNgena (IP).
- IP66 inika ukhuseleko ngokubanzi kwiijethi zamanzi ezinamandla.
- IP69/IP69K Ibonelela ngokhuseleko oluphezulu. Ibalulekile kwiindawo ezineendawo ezinoxinzelelo oluphezulu, ukuhlamba okushushu okuphezulu, okuxhaphakileyo ekucutshungulweni kokutya. Olu vavanyo luqinisekisa ukuba izixhobo ze-elektroniki zangaphakathi zikhuselekile kumswakama kunye neekhemikhali zokucoca ezinzima.
Chonga iimfuno zokuchaneka kunye nokuthotyelwa kwemithetho
Kufuneka uchaze ukuchaneka kokulinganisa okufunekayo kwisicelo sakho. Oku kudla ngokulawulwa yimithetho yoshishino kunye nemigangatho yakho yomgangatho. Injongo kukunciphisa ukunikezelwa kwemveliso ngaphandle kokubeka emngciphekweni iipakethe ezingazaliswanga ngokwaneleyo eziphula imithetho yobunzima kunye neemilinganiselo.
Ukuchaneka kudla ngokubonakaliswa njengokuphambuka kwe-plus-or-minus (umz., ± 0.5g). Ukuchaneka kwakho okufunekayo kuya kuchaphazela uhlobo lweseli yomthwalo kunye nezinye izinto zenkqubo. Iimfuno zokuchaneka eziqinileyo zihlala zithetha utyalo-mali oluphezulu lokuqala. Nangona kunjalo, olu tyalo-mali luzihlawulela ngokukhawuleza ngokunciphisa inkunkuma kunye nokuqinisekisa ukuthotyelwa kwemithetho. Kufuneka uchaze ngokucacileyo ukuchaneka kwakho kunye neemfuno zomthetho kubathengisi abanokubakho. Oku kuqinisekisa ukuba inkqubo ecetywayo iya kukhusela uphawu lwakho kunye nomgangatho wakho.
Inyathelo lesi-2: Vavanya iinkcukacha eziphambili zobugcisa zesixhobo sokuhlola esichanekileyo
Wakuba ufumene umfanekiso ocacileyo wesicelo sakho, ungangena kwiinkcukacha zobugcisa. Ukusebenza kwe-High Accuracy Checkweigher kuxhomekeke kwizinto ezintathu eziphambili: indlela yokulinganisa, inkqubo yokwala, kunye nesoftware. Ukuvavanya ezi nkcukacha kuqinisekisa ukuba inkqubo oyikhethayo inokuhlangabezana neenjongo zakho zokuchaneka kunye neziphumo.
Ubungakanani beSeli yoLayisha kunye neConveyor
Iseli yomthwalo yintliziyo yesixhobo sokujonga ubunzima. Sisiva esilinganisa ubunzima bemveliso. Inkqubo yokuhambisa ithwala imveliso phezu kweseli yomthwalo. Zombini kufuneka zibe nobukhulu obuchanekileyo ngokwemveliso yakho ethile kunye nesantya somgca ukuze kufumaneke ukufundwa okuchanekileyo.
Iiteknoloji ezimbini eziphambili zeeseli zomthwalo zilawula imarike: i-Strain Gauge yendabuko kunye ne-advanced Surface Acoustic Wave (SAW), eyaziwa ngokuba yi-Electromagnetic Force Restoration (EMFR). Ukhetho lwakho luchaphazela ukuchaneka, ukuqina, kunye neendleko.
| Uphawu | Iiseli zoMthwalo weGauge yoxinzelelo | Iiseli zoMthwalo we-Acoustic Wave (SAW) yomphezulu |
|---|---|---|
| Ukuchaneka | Kulungile, kodwa kunokuchaphazeleka kukutshintsha kobushushu kunye nokuqhekeka. | Ibonelela ngokuchanekileyo okuphezulu kwaye ayichaphazeleki lula ziimeko zokusingqongileyo. |
| Ukuqina | Iqinile kwaye isetyenziswa kakhulu, kodwa ingonakaliswa kukuthuthumela okanye ukugqithiswa kakhulu. | Ihlala ixesha elide ngenxa yoyilo olulula oluneendawo ezimbalwa ezishukumayo. |
| Itekhnoloji | Linganisa amandla ngokuguqulwa kwento yesinyithi. | Sebenzisa amaza angaphezulu e-acoustic ukuze ulinganise kakuhle. |
| Ixabiso | Ngokubanzi ingabizi kakhulu kwaye ifanelekile kwiintlobo ngeentlobo zezicelo. | Ngokwesiqhelo ibiza kakhulu kodwa inika ukuchaneka kwexesha elide. |
Ubungakanani obufanelekileyo bomthumeli bubaluleke ngokulinganayo. Ibhanti emxinwa kakhulu inokubangela ukuba iimveliso zichukumise iireyile zesikhokelo, nto leyo edala ukufundwa okungekhoyo. Ibhanti yokulinganisa emfutshane kakhulu isenokunganiki ixesha elaneleyo lokulinganisa okuzinzileyo.
Ingcebiso yobungcali: Ubude bebhanti yokulinganisa kufuneka bube bubude obuphindwe kayi-1.5 kunobude bemveliso yakho. Oku kunika ixesha elaneleyo lokuba inkqubo ifumane ubunzima obucocekileyo nobuchanekileyo ngaphambi kokuba kufike into elandelayo.
Ukuze ubone ubungakanani bomthumeli obufanelekileyo kwiimfuno zakho, landela la manyathelo:
- Linganisa Ubungakanani Bemveliso: Qaphela ububanzi nobude beemveliso zakho ezinkulu njengoko zihamba kwi-conveyor.
- Chonga iSivumelwano esifunekayo: Yongeza indawo kwicala ngalinye ukuze kuthuthwe kakuhle. Oku kuthintela ukuxinana kunye nokufundwa okungachanekanga.
- Bala ububanzi bebheliSebenzisa le fomyula:
Ububanzi bebhanti = Ububanzi bemveliso + Ukucoca okufunekayo + Isici sokhuseleko. Umlinganiselo wokhuseleko we-10-20% uqhelekile. - Jonga ezona mfuno ziphantsi: Soloko ujonga izikhokelo zomenzi ukuqinisekisa ukuba ubungakanani bakho obubaliweyo buhlangabezana neemfuno zobugcisa zenkqubo.
Yala Ukhetho Lwenkqubo
Inkqubo yokwala esebenzayo isusa iimveliso ezingaphantsi okanye ezityebileyo kumgca wemveliso ngokukhawuleza nangokuthembekileyo. Indlela elungileyo ixhomekeke kubunzima bemveliso yakho, imo, kunye nokupakishwa kwayo. Ukukhetha engalunganga kunokukhokelela kwiimveliso ezonakeleyo okanye ekukhutshweni kwayo okungaphumelelanga.
Iinkqubo eziqhelekileyo zokungavumi ziquka:
- I-Air Jet: Ukuqhuma okukhulu komoya ocinezelweyo kutyhala izinto ezikhaphukhaphu kwi-conveyor. Le yindlela ekhawulezayo, engachukumisiyo efanelekileyo kwimigca ekhawulezayo.
- Umtyhali: Ingalo eqhutywa ngomoya okanye enenjini yoluliwe ukuze ityhale iimveliso ezinzima nezizinzileyo ecaleni.
- I-Drop Flap: Inxalenye yebhanti yokuhambisa iyavuleka, ivumela imveliso elahliweyo ukuba iwele kwisitya esingezantsi. Le ndlela ithambile kwaye isebenza kakuhle kwizinto ezibuthathaka.
Itheyibhile engezantsi ichaza ukuba yeyiphi inkqubo esebenza kakuhle kwiintlobo ezahlukeneyo zeemveliso.
| Inkqubo Yokwala | Eyona ilungele Uhlobo lweMveliso | Ubunzima beMveliso eqhelekileyo | Amanqaku aphambili |
|---|---|---|---|
| Ukuqhuma komoya | Izinto ezikhaphukhaphu, ezipakishiweyo (iitships, iibhari) | Ukuya kuthi ga kwi-0.8 kg | Iyakhawuleza kwaye ayichukumisi; ayilungelanga iipakethe ezivulekileyo okanye ezibuthathaka. |
| Umtyhali | Izinto eziqinileyo okanye ezifakwe ebhokisini (iibhokisi, iibhotile) | Ubunzima ukuya kuthi ga kwi-10 kg | Isebenza kakuhle kwizinto ezinzima; ayifanelekanga kwiingxowa ezingazinzanga. |
| I-Drop Flap | Iimveliso ezibuthathaka okanye ezinkulu (iikuki, izinto ezikhululekileyo) | Iyahluka | Ukuphathwa ngobunono; kufuna indawo engaphantsi kwe-conveyor. |
Ukukhetha i-rejector efanelekileyo kukhusela ukuthembeka kwemveliso kwaye kuqinisekisa ukuba kuphela iipakeji ezihambelanayo eziqhubekayo emgceni.
Uqhagamshelo lweSoftware kunye neDatha
Iitshekhi zanamhlanje zizixhobo ezinamandla zokuqokelela idatha. Le software ayisebenzisi nje kuphela umatshini kodwa ikwabonelela ngeenkcukacha ezibalulekileyo kwinkqubo yakho yokuvelisa. Isoftware ephucukileyo ikuvumela ukuba uqhagamshele itshekhi kwiinkqubo zakho zolawulo lwefektri.
Ukudibanisa i-checkweigher yakho neNkqubo yokuSebenza kweMveliso (i-MES) okanye inkqubo yoCwangciso lweZixhobo zeShishini (i-ERP) kuvula iingenelo ezibalulekileyo:
- Ukubonakala Kwedatha Ngexesha Langempela: Fumana ulwazi olukhawulezileyo malunga nokusebenza kakuhle kwemveliso, amaxesha omjikelo, kunye nenkcitho.
- Ukuchaneka Okuphuculweyo: Kupheliswe ukufakwa kwedatha ngesandla, okunciphisa iimpazamo zomntu kwaye kuphucule ukuthembeka kwedatha.
- Ulawulo loMgangatho oluPhuculweyoSebenzisa idatha yembali ukuchonga iindlela ezisetyenziswayo, ulandelele amaqela, kwaye ulungise imiba yomgangatho ngendlela ekhawulezileyo.
- Ucwangciso lweMveliso oluLungileyo: Yenza izigqibo ezingcono malunga nokwabiwa kwezixhobo kunye nokucwangcisa ukuze unciphise ixesha lokungasebenzi kunye nenkcitho.
Ukunyaniseka kwedatha kubalulekile: Ukuqinisekisa ukuba olu tshintshiselwano lwedatha lukhuselekile kwaye luthembekile, iinkqubo zanamhlanje zisebenzisa iiprotokholi ezisemgangathweni ezifana ne-OPC Unified Architecture (OPC UA) kunye ne-PackML. Le migangatho yesoftware idala ulwimi oluqhelekileyo loomatshini lokunxibelelana, ukuqinisekisa ukuthembeka kwedatha kunye nokuxhasa amaphulo e-Industry 4.0.
Olu qhagamshelo luguqula i-checkweigher yakho ukusuka kwisixhobo esilula sokulawula umgangatho ibe yi-asethi yesicwangciso sokuphucula inkqubo.
Inyathelo lesi-3: Cinga ngeeNkqubo eziPhambili kunye neziDibeneyo
Ungayonyusa ukhuseleko kunye nomgangatho wemveliso ngokuhlanganisa ubuchwepheshe bokuhlola kunye ne-High Accuracy Checkweigher yakho. Iinkqubo zokudibanisa zigcina indawo exabisekileyo yomgangatho kwaye zilungelelanise inkqubo yakho yokulawula umgangatho ibe yinyathelo elinye nelisebenzayo.
Iitshekhi zokulinganisa ezineentsimbi zokuchonga
Isixhobo sokujonga ubunzima esidibeneyo kunye isixhobo sokubona isinyithi lukhetho oludumileyo kwiindlela ezininzi zemveliso. Le yunithi inye yenza uhlolo olubalulekileyo oluphindwe kabini. Iqinisekisa ubunzima bemveliso kwaye iskena izinto ezingcolisayo zesinyithi ngaxeshanye. Olu dibaniso lubonelela ngeenzuzo eziphambili ezininzi:
- Igcina indawo kumgca wakho wemveliso.
- Iqinisekisa ukuba iimveliso ziyahlangabezana neemfuno zobunzima kwaye azinazo isinyithi.
- Iphucula ukusebenza kakuhle ngokuzenzekela iinkqubo ezimbini zokuhlola.
- Ikunceda ukuba uthobele imigangatho yokhuseleko lokutya efana ne-HACCP kunye ne-GFSI.
Ezi nkqubo zinokubona iziqwenga zesinyithi ezincinci kakhulu. Uvakalelo luyahluka ngohlobo lwesinyithi.
| Uhlobo lweNgcoliso | Ubuthathaka bokuchongwa (mm) |
|---|---|
| I-Ferrous (FE) | ≥1.0 |
| I-Non-ferrous (NFE) | ≥1.2 |
| Intsimbi Engagqwaliyo (SUS304) | ≥2.5 |
Inkqubo edibeneyo inika ukhuseleko oluqinileyo. Ikunceda ukuba uhlangabezane nemigaqo engqongqo yokulawula, inciphise inkunkuma, kwaye ikhusela igama lophawu lwakho.
Iitshekhi zokulinganisa ii-checkweighers ezine-X-ray Ukuhlolwa
Ukuze ufumane ukhuseleko oluphezulu, ungadibanisa isixhobo sokujonga ubunzima kunye nenkqubo yokuhlola i-X-ray. Itekhnoloji ye-X-ray ifumana izinto ezingcolisayo ezingenakukwazi ukubonwa zizixhobo zesinyithi. Isebenza ngokufumanisa umahluko kuxinano. Oku kuyivumela ukuba ichonge uluhlu olubanzi kakhulu lwezinto zangaphandle.
Iinkqubo ze-X-reyi zinokubona:
- Iziqwenga zeglasi
- Amatye okanye iingqalutye
- Iziqwenga zamathambo ezicoliweyo
- Iiplastiki kunye nerabha ezinobunzima obuphezulu
Ukukhetha inkqubo yokudibanisa i-X-reyi kukunika amandla okuhlola apheleleyo. Yeyona ndlela ilungileyo xa ujongene nemingcipheko evela kwizinto ezingcolisayo ezingezizo ezesinyithi. Le nkqubo iphucukileyo iqinisekisa ukuba iimveliso zakho zikhuselekile kwaye ziyahlangabezana nayo yonke imigangatho yomgangatho ngaphambi kokuba ziphume kwindawo yakho.
Inyathelo lesi-4: Gqibezela isigqibo sakho sokuthenga
Uzichazile iimfuno zakho kwaye uphonononge ubuchwepheshe. Ngoku ungenza isigqibo sokuthenga ngokuzithemba. Eli nyathelo lokugqibela libandakanya ukubuza imibuzo efanelekileyo, ukuqonda iindleko zexesha elide, nokukhetha iqabane elithembekileyo.
Imibuzo ephambili kubathengisi
Ubudlelwane bakho nomthengisi budlulela ngaphaya kwentengiso yokuqala. Kufuneka uvavanye inkxaso yabo emva kokuthengisa ukuqinisekisa ukuba akukho xesha lininzi lokuphumla. Impendulo ekhawulezileyo evela kwiqela lendawo inokuba yinto ebalulekileyo. Buza abathengisi abanokubakho malunga nezivumelwano zabo zenqanaba lenkonzo.
Iimpawu eziphambili zenkxaso ekufuneka ziqinisekiswe ziquka:
- Ixesha Lokuphendula: Ngaba bangaba nochwephesha kwindawo yokusebenza kwiiyure ezingama-24?
- Ubuchule boBugcisa: Ngaba iqela lenkxaso likhona ukusombulula iingxaki?
- Ukufumaneka kweCandelo: Banokubonelela ngokukhawuleza kangakanani ngezinto ezibalulekileyo ezingasetyenziswanga?
Bala iindleko ezipheleleyo zobunini
Ixabiso lokuqala lokuthenga liyinxalenye nje yotyalo-mali lulonke. Kuya kufuneka ubale i-Total Cost of Ownership (TCO) ukuze uqonde impembelelo yemali yexesha elide. Oku kuquka iindleko zonyaka ezinokuqikelelwa ezivela kwiikhontrakthi zolondolozo kunye nezixhobo ezinokuthi zitshintshwe. Inkqubo esemgangathweni inokunciphisa ukunikezelwa kwemveliso nge-0.5% ukuya kwi-3%, nto leyo evelisa imbuyekezo ebalulekileyo kutyalo-mali.
Ezi ndleko ziqhubekayo ziyinxalenye ebalulekileyo yohlahlo-lwabiwo mali lwakho. Ukuzijonga kunika umbono ochanekileyo weendleko zobomi bonke bomatshini.
Khetha iQabane Elihloniphekileyo
Ukukhetha umenzi ofanelekileyo kubaluleke njengokukhetha umatshini ofanelekileyo. Kufuneka usebenzisane nenkampani eyaziwa ngomgangatho nokuthembeka. Iinkokheli zoshishino ezifana noMettler Toledo, uIshida, kunye neLoma Systems ziseke uthungelwano lweenkonzo zehlabathi. Buza abathengisi ukuba bakunike izifundo zetyala efanelekileyo kwishishini lakho. Umzekelo, omnye umenzi wezinto zokutya okulula unciphise inkunkuma yemveliso nge-15% emva kokusebenzisa inkqubo entsha. Iqabane eliqinileyo libonelela ngesisombululo esizisa iziphumo ezinokulinganiswa kwaye sikhusele uphawu lwakho kwiminyaka ezayo.
Ukukhetha i-High Accuracy Checkweigher efanelekileyo lutyalo-mali olucwangcisiweyo kumgangatho kunye nokusebenza kakuhle kwebhrendi yakho. Ungenza ukhetho oluqinisekileyo ngokuchaza iimfuno zakho, ukuvavanya iinkcukacha, kunye nokusebenzisana nomthengisi othembekileyo. Inkqubo ekhethwe kakuhle iqinisekisa ukuthotyelwa kwemithetho, inciphisa ukunikezelwa kwemveliso, kwaye inika ixabiso lokusebenza elihlala lihleli iminyaka ezayo.