Ngosipụta nke mgbanwe ike

Sep 17, 2025

Hapụ ozi

1. NKWUP

Scotech bụ onye ndu zuru ụwa ọnụ na ndị na-enye ikike, na-ebufe ụzọ dị elu -}} na ndọtị na-eme ka arụmọrụ na ntụkwasị obi gafee ụwa niile. N'iburu ọtụtụ afọ mara ụlọ ọrụ, anyị na-emekọ ihe ọhụrụ na mma ịtọ benchmark ọhụụ na arụmọrụ ntụgharị.
Ndị na-enye mgbanwe anyị bụ ndị dị iche iche na ngwa dị iche iche -}} Setịpụrụ mkpanaka dị ka voltage chọrọ, ihe ndị metụtara gburugburu ebe obibi, na ihe mgbochi gburugburu. Ahịa a {{3} centic na-eme ka ngalaba ọ bụla na-eme ka enweghị mmasị na netwọ ọ bụla.
Site na ọnụnọ ụwa siri ike, ndị na-eme ka ọnwa ike gwụsịrị nde, azụmahịa, na akụrụngwa dị oke mkpa, na-egosi ntụkwasị obi ha ma usoro nkesa obodo. Anyị na-eduzi na ihe ohuru, na ndị otu R & D na-eme ka arụmọrụ, ịdịte aka na nchekwa dị elu maka belata ike na smart maka mmezi ọrụ.
Nkwado dị n'etiti na atụmatụ anyị: Obere adịghị {{0} BAVE / ibu ọrụ bụ ihe mgbaru ọsọ gburugburu ebe obibi gburugburu ụwa. A na-enyefe nkwado, anyị na-enye 24/7 mgbe-}}}} na nduzi nsogbu, nduzi mmezi, na nyocha arụmọrụ iji bulie itinye ego na ndị ahịa.
Nhazi nke zuru ụwa ọnụ na netwọkụ anyị na-enyere aka ngwa ngwa, nnyefe nke ziri ezi, yana ike siri ike na ụkpụrụ mba ụwa. Nnwale siri ike na steeti--} Acces articid na-adabere na ọnọdụ achọrọ.

power transformer

100mva 132/33/22 kV|Malaysia 2023|Scotech

step down power transformer

20 mva 66/11 kV|South Africa 2025|Scotech

 

electrical transformer

30MVA 33 / 6.6kv|South Africa 2025|Scotech

transformer 3 phase

50 / 80MVA 132/33 kV|South Africa|Scotech

2. Ihe owuwu

transformer for power

power supply transformer


 

 

Ihe osise 3.example

100 mva ike transformam eserese na nha.

three phase transformer wiring diagram

wiring diagram for 3 phase transformer

 

4.Manifacting

4.1 Core

Iron isi nke ike nke ike anyị na-eji elu- carmaniting slicon steel, dabere na ihe iji hụ na nchekwa, nkwụsi ike na oke ike. A na-eme ka stamping na laser na-egbutu teknụzụ maka ịrụ ọrụ maka ịdị elu maka elu - Stationlọ Achịcha dị ugbu a na-ebelata arụmọrụ dị ugbu a. Na njiri mara, udi udiri udiri iji dakọtara mkpalite chọrọ, na-achịkwa mkpọtụ mkpọda na-eme mkpọtụ ma na-agbasa ndụ ọrụ akụrụngwa. Ka ọ dị ugbu a, a na-eji teknụzụ dị elu na teknụzụ ndị na-eme ihe dị elu iji belata mkpọtụ arụmọrụ karịa oke. Na elu {{7} mma ihe, di elu usoro, ihe nlere anya di elu na onu ahia zuru oke, mbelata na ntụkwasị obi na ntụkwasị obi.

transformer power supply

4.2 Ifufe

Ike nke Scotech's Power na-emegharị ikuku bụ injinia zute usoro eletriki na usoro ihe dị iche iche. N'ihi na elu-}}}}}} Watched ma ọ bụ n'ime -}

Ọkara-}}}}- ike na-eji ike ma ọ bụ na-emegharị arụ ọrụ, nke ọ bụghị naanị na-eme ka ị na-eme ka okpomoku bulie ya. Usoro a na-eme ka a dị mkpụmkpụ -}} {nchekwa na ogologo {{5} Ratch Oftion.

Otutu usoro ihe owuwu {0} gụnyere diski, na-echekwa onwe ya, na-eme ihe eji eme ya, onye ọ bụla na-arụ ọrụ na mkpa nke onye na-eme ka ọ dị mma. Site na usoro na-efe efe na-efegharị, wintech transforns na-ebugharị arụmọrụ zuru oke, ntụkwasị obi, na arụmọrụ na-agbanwe agbanwe, na-eme ka ọ dị mma maka ịchọ ọnọdụ

3 winding power transformer

 

 

4.3 tank

A na-eji ike transformer ike nke Scotech na-eji elu - mma anaghị agba nchara ma ọ bụ nchara dị nro, na-ejide na nrụgide siri ike na nguzogide. Usoro na-arụpụta ihe na-agbaso ngwa ngwa iji chepụta nkọwapụta, ịkpụcha na laser na-egbutu teknụzụ zuru oke, nke na-enyere gị aka ịgbado akwa mkpuchi. Welding operations utilize argon arc welding or CO₂ shielded welding, with thorough post-welding inspections-including visual checks and ultrasonic testing-conducted to guarantee weld integrity.

A na-eji akara akara dị elu, dị ka ọ na-arụ ọrụ, dị ka ndị na-enuba roba na mgbaaka na-acha odo odo, na-eji isi ihe njikọ dị mma. Ọgwụ mpụta na-agagharị na-egbochi mgbochi, na-egosipụta uwe elu na gburugburu ebe obibi na-esochi iguzogide nguzogide. Akara niile na-etinye ihe eji emechi emechi; Ihe ndị dị n'ime ya na mpụga na-emegharị, ma na-emegharị na akàrà na-emegharị ule na-acha odo odo (nyocha)

transformer tank

 

Nke mbu, ikuku HV na LV na LV na-ezukọ na isi aka na isi aka, soro isi lamination na-ejigide na nkwụsi ike na nkwụsi ike na nkwụsi ike. Akụkụ arụmọrụ ahụ mezuru (isi na ikuku) mgbe ahụ, ndị na-enwe ohere ihicha mmiri iji kpochapụ mmiri kpamkpam. A na-ejikarị ngwa ọrụ a na-emeghe kechie ya. A na-eme ndoju mmanụ na-ejupụta iji hụ na ịdị ọcha nke izere mmanụ. Nke a na-esote ntinye nke buskings, radiators, ndị na-elekọta ihe enyemaka, na-enye aka, igbe marhally na ihe ndị ọzọ.

OLTC

 

5. Ihe mejupụtara

 

Air Breather

1. Igwe ikuku nke isi ụlọ

Ihe nzacha na-abanye na-abanye na converserver iji gbochie mmiri na uzuzu ịbanye na transformer. Otu a nwere nke silica gel (ụcha -}} nke na-agbanwe agba), nke na-agbanwe agba mgbe jupụtara ma na-achọ nnọchi oge.

Air Release and Draining Device

2. Mwepụta ikuku na igbapu nke Buchholz

A na-ejikwa ikuku ma ọ bụ obere mmanụ dị n'ime ala Buchholz Relay, na-akwado ịrụ ọrụ ziri ezi.

BCT Junction Box

3

Igbe njikọ maka ndị na-emegharị mgbanwe dị ugbu a (BCTS), na-ebufe akara dị ugbu a na ngwaọrụ ma ọ bụ usoro.

Bottom Draining and Filling Valve

4. Ime ala na-adọkpụ

Emi odude ke ukot Ẹmalo, ji ya maka igbapu mmanụ ochie, jupụta mmanụ ọhụrụ, ma ọ bụ iwepu sediment n'oge mmezi.

Buchholz Relay

5. Buchholz Relay

Arụnyere na ọkpọkọ n'etiti onye na-edebe ihe na tank, ọ na-achọpụta mmejọ nke ime n'ime (dịka, oke ọkụ ma ọ bụ na-achọ). Na-eme ka mkpu ma ọ bụ njem ma ọ bụ na-asọ asọ ma ọ bụ na-asọ asọ.

Butterfly Valve

6. Vellfly valvụ

A na-eme ka transporher transforter site na usoro jụrụ (dịka, radiators), na-enye ohere iwepu ihe n'oge arụzighị na mmanụ.

Conservator

7. Converserver

Andsụgharị mmụba nke na-enweta mgbanwe olu mmanụ n'ihi mgbanwe okpomọkụ, nrụgide na-edozi nsogbu site na isi.

Control Box

8. Igbe njikwa

Nchedo ụlọ eletriki, nlekota, yana njikwa okpomọkụ, gụnyere ndị na-ahụ maka okpomọkụ na modulu ọrụ.

Cooling Fans

9. Ndị na-eme ihe ọkụ

Ejiri ya na - ul oyibo (onaf) inye radiator jụrụ, na-arụ ọrụ site na akara okpomọkụ.

Cooling Radiators

10. Na-ajụ radiators

Na-akụda okpomọkụ site na mmanụ transformer site na ihu igwe nke sitere n'okike ma ọ bụ ikuku na-amanye, nke mejupụtara ọtụtụ akpa opeze.

transformer core

11. Isi

Mpempe akwụkwọ ndọta nke transformar, nke ejiri silicon slicon steel iji belata mfu Eddy. Ga-enwerịrị otu -} na-eme ka oke ọkụ.

Earthed Terminal for Core

12

A na-enwe ike ịdabere na ntọala iji zere ndị nwere ike na draịvarges.

High-Voltage Neutral Point Bushing

13. -} voltaji na-anọpụ iche

Ọkpụkpụ ọhịa maka HV na-winding isi ihe, nke nwere ike ịkacha ma ọ bụ na-enweghị isi site na enweghị ike.

HV Bushing

14. HV BULING

Shissings na-eme ka ndị na-eduga HV winding, nke e mere iji gbochie voltaji na ndị na-eduzi ya.

Jacking Pad

15. Na-eme egwuregwu

Na-eme ka ihe dị elu na-emegharị emegharị maka ibuli n'oge nrụnye ma ọ bụ njem.

Ladder with Safety Guard

16. Ladder na nche nchekwa

Na-enye ohere ịnweta ndị ọrụ ndozi, na-enwekarị mgbochi na mgbochi na-enwekarị mgbochi {{0} daa.

 Leak-Proof Ball Valve

17

Mechie valvụ maka mmanụ ma ọ bụ gas dị, na-enyere gị aka {{0} arụ ọrụ efu.

 Lifting Stud

18. NWU EGO

Ibulite ihe na tank transforter ma ọ bụ ihe mejupụtara ya, emepụtara maka ikike ibu ọkọlọtọ.

 LV Bushing

19. Lv Bushing

Igwe mkpuchi mkpuchi maka ụzọ LV, nke yiri ya na ihe owuwu nke HV bustings mana oke maka voltaji dị ala.

Manhole

20. Manhole

Inye ohere ịnweta maka ndị ọrụ ịbanye na ntụgharị ntụgharị maka nyocha ma ọ bụ mmezi.

Marshalling Box

21. Igbe marhally

Igbe juputara na nke abụọ wara, na-emekọrịta ihe maka nchebe, nha, na njikwa akara.

 Motor Drive Unit

22. Otu moto

Ejiji ndị ahụ ụgbọ ala maka - Kali na-ebugharị ngwa agha (yalc), na-enyere iwu voltaji dị anya ma ọ bụ akpaka.

Nameplate

23. Aha

Elu igwe na-egosipụta isi ihe eji eme ihe ngosi (dịka, ikike, voltaji, ugbu a, enweghị atụ).

Oil Level Indicator with Contact for Conservator

24. Ọkwa ọkwa mmanụ na kọntaktị maka converservator

Monitors mmanụ na mkpu mkpu ma ọ bụrụ na ọkwa dị elu ma ọ bụ dị ala.

Oil Temperature Indicator with Contact

25. Mmanụ na-egosi na kọntaktị

Na-atụpụta mmanụ mmanụ elu ma na-eme ihe ngwa nju oyi ma ọ bụ mkpu ma ọ bụrụ na anụ ọhịa na-apụta.

On-Load Tap Changer

26. Na {1 {1} BA na-ebugharị Champier (ollc)

Na-agbanwe ikike nke transformer n'okpuru ibu iji dozie voltaji, tinye usoro ngbanwe na usoro nchịkwa arc.

Pressure Relief Device

27. Ngwaọrụ enyemaka

Ngwa ngwa na-ewepụta oke nrụgide n'oge ime ihe iji gbochie mgbapu tat.

Sampling Valve

28. Volfing Valvụ

Ejiri iji na-anakọta ihe nlele mmanụ maka nyocha gas (DGA) ma ọ bụ na-anwale ule.

Tank

29. Tankị

Ebe a na-edebe ụlọ, ikuku, na mmanụ a na-anyụ, nke e mere iji gbochie nrụgide ime onwe ya na iguzogide corrosion.

Terminal Box

30. Igbe ọnụ

Igbe akpọchiri maka njikọ elektrik dị na mpụga, yana nchebe nnweta (IP) dị mma maka gburugburu ebe obibi.

The Conservator of OLTC

31. Condorverator of

Onye na-echekwa nchekwa dị iche na mgbasa mmanụ nke Elloc na akara, nke nnwere onwe nke onye na-echedo.

Winding Temperature Indicator with Contacts

32. Igwe okpomoku na-egosi na kọntaktị

Na-atụle okpomoku hotspot (site na ikuku ikuku ma ọ bụ oppcils opprocs) ma ọ bụ njem na-eto ma ọ bụrụ na njem ma ọ bụrụ na overanting pụtara.

transformer Winding

33. Iji

Kinger na-eduzi (HV na LV) ejiri ọla kọpa mee ma ọ bụ aluminom, na-ahụ maka mbufe ike.

 

6. Ngwa

Power Generation and Transmission

1. Ọgbọ na nnyefe

  • Na-ebili voltaji maka nnyefe:

Na ike ike (dịka, ikuku, ikuku, ikuku, ma ọ bụ anyanwụ na-emepụta ọkụ eletrik na voltages dị ala (na-abụkarị 11 kV ruo 33 kV). Mgbanwe IkegbagooVoltaji a gaa Ultra- O. 132 kV, 220 kV, 400 kV, ma ọ bụ ọbụna 800 kV) ruo ogologo {{7}. Lọ ọkụ ga-ebelata ugbu a, belata ike ike n'ihi nguzobe na ahịrị ndị na-akwado.

  • Ijikọ Isi mmalite:

Ndị na-ebugharị mgbanwe na-eme ka mgbanwe dị ọhụrụ (dịka, ikuku ugbo, ogige anyanwụ) n'ime okporo. Iji maa atụ, anyanwụ na-ebugharị obere -}} nke ndị na-ebugharị ya ga-adaba na ndị na-agafe ozi.

Distribution Networks

2. Ahịhịa nkesa

  • Na-agbadata voltaji maka ndị ọrụ njedebe:

Mgbe ogologo oge- nnyefe ihu, elu - volta eletriki na-eruebe a, ebe ndị na - agbanwe agbanwendagideVoltaji ahụ na-ahụ maka ọkwa (dịka, 33 kV, 11 kV) maka nkesa na mpaghara mpaghara (obodo, obodo, ma ọ bụ mpaghara mmepụta ihe).

  • Ibelata ihu igwe maka ndị na-azụ ahịa:

Ngbanwe nke pere mpe (etinyere na mkpanaka ma ọ bụ na ihe ndị a na-eji luta ala dị ala ruo ngwọta dị ala (dịka, 200 v) kwesịrị ekwesị maka obibi, azụmaahịa, na iji obere ụlọ ọrụ.

Industrial Applications

3. Ngwa mmepụta Ngwa

  • Udiri ụlọ ọrụ dị arọ:

Industrylọ ọrụ dị ka ígwè, na-egwuputa ihe, na-eji igwe eji eme ihe (dịka, mobs, ebe a na-achọkarị voltant (dị elu ma ọ bụ dị ala karịa ọkọlọtọ). Mgbanwe ike na-agbanwe agbanwe iji rụọ ọrụ akụrụngwa chọrọ, na-ejide arụmọrụ nke ọma.

  • Electrolysis na mma:

Usoro dị ka aluminom smmelting ma ọ bụ electroplating chọrọ ọtụtụ ebe dị ala. Ndị na-ebugharị na-agbadata voltages dị elu iji nye ihe dị mkpa {{1} {1} elu {{2}.

Commercial and Residential Sectors

4. Azụmahịa na mpaghara ebe obibi

  • Obodo obibi:

Osisi {0} {0} {pad {cart {}}}}}} Type nke ike) na-eweta ala, ulo, ma ogidi, na eletriki.

  • Ụlọ azụmaahịa:

Nnukwu ụlọ ọrụ, ọfịs na ụlọ ọgwụ na-eji ndị na-agbanwe ihe iji kesaa ọkụ na nnukwu ụlọ ọrụ, na-agba mbọ ike kesaa voltaji maka sistemụ hvac, igwe elu na akụrụngwa.

Renewable Energy Integration

5. Mmezi mmeghari ohuru

  • A na-agbanwegharị ugbo ikuku: Acdables na-agbanwe agbanwe site na ndọtị - und overations) iji dakọtara ndị na-enyefe ọkụ {{1}.
  • Osisi ike anyanwụ: Obere-}} claster DC site na igwe ojii na-agbanwe ka a na-agbanwe site na ndị na-emegharị anya, mgbe ahụ, ndị na-atụgharịgharị site na njikọ njikọ nke Grid ma ọ bụ njikọ netwọọkụ.
  • Hydropwero na osisi geothermal: dị ka osisi ike nke ike, ha na-eji ndị na-agbanwe agbanwe iji bulie volta maka nnyefe.

data center

6. Ebe data

  • Gbada elu-}}, nke 10kv) na ọkara ala / ala, 400v) maka elu, sava, na usoro oyi.
  • Kwado Retundant ntọala iji zere akwụkwọ ma ọ bụrụ na otu ihe dara, na-ejide nnweta dị elu.
  • Nye onwe gị na ngwa ngwa Shield dị ka ihe mgbochi dị ka ihe nkwenkwe ma ọ bụ.
  • Kesaa iburu ibu gafee otutu nkeji iji gbochie oke ma mee ka arụmọrụ dị elu.
  • Tinye aka na nkwado ndabere (ndị na-elekọta ihe, batrị) maka enweghị usoro ịgbanwee n'oge ọdịda.

7. Nchikota di

Tebụl1.product

standadi

IC, Ani, IEEE, CSA ma ọ bụ dịka

Nha (kva)

Ihe ruru 240 mva

Volgotashion

Dị na Δ ma ọ bụ δ nhazi

Nnukwu voltaji

Ihe ruru 230kv

HV Bil

Ruo 900kv Bil

Mgbe na mgbe

50/60 hz

Classing Classing

ONAN, Knan, Oma, Knofa, nkewf, nke IDWF

Ọnọdụ ndị a na-emetụta

Kwesịrị ekwesị maka ụlọ na n'èzí

Oke okpomoku

-50 ogo ~ 40 ogo

Iru mmiri

Iru mmiri na-achagharị ikuku kwesịrị ịdị n'okpuru 93%

Otitudu

Erughị 1000m

Ọsọ ikuku max

Erughị ma ọ bụ hara na 35 m / s

Accearsation Allquep

Natural osooso erughi ma ọ bụ hara 0.3g

Vetikal osooso

Erughị ma ọ bụ hara 0.15g

Ọnọdụ pụrụ iche

Ngwaahịa ahaziri iche

 

Table2. Chọrọ na nnwale maka ụdị ntụgharị dị iche iche dabere na Um nke ikuku voltaji kachasị elu

 

Um na-erughị ma ọ bụ hara na 72,5 kV

72,5 KV

Um> 170 kV

Mkpuchi ihe

Mbonotu

Mbonotu

Na-abụghị-}

Uwe na-ejighị-}

Ule na-efegharị na-efegharị na-agagharị maka usoro ahịrị maka ahịrị (li)

Udi

Usoro imeihe

Usoro imeihe

Ọ bụghị na-emetụta (gụnyere na lic)

Choputa na Ule a na-ere ọkụ na-efegharị maka ahịrị ahịrị (lic)

Nke puruiche

Nke puruiche

Nke puruiche

Usoro imeihe

Nnwale na-eme ka ihe na-egbochi maka nnọchi anya (Lin)

Nke puruiche

Nke puruiche

Nke puruiche

Nke puruiche

Ngbanwe nnwale maka akara ahịrị (si)

Ọ metụtaghị

Nke puruiche

Nke puruiche

Usoro imeihe

Nnwale voltaji (AV)

Usoro imeihe

Usoro imeihe

Usoro imeihe

Usoro imeihe

Na-akpata voltaji na-egbochi ule (Ivw)

Usoro imeihe

Usoro imeihe

Usoro imeihe

Ọ metụtaghị

Nyocha Vittava na PD TD (IVPD)

Nke puruichea

Usoro imeihea

Usoro imeihea

Usoro imeihe

Eriri eriri akara na-egbochi ule voltaji (ltac)

Ọ metụtaghị

Nke puruiche

Usoro imeiheb

Nke puruiche

Nnyocha Nkpuru Insurity (AUXW)

Usoro imeihe

Usoro imeihe

Usoro imeihe

Usoro imeihe

a Enwere ike itinye ihe achọrọ nke ule Ivw na IvD nke IvPD ka ọ bụrụ naanị otu ule chọrọ.

b Enwere ike dochie ule LTAC maka ụdị ntụgharị a site na nnwale na-agbanwe agbanwe site na nkwekọrịta n'etiti onye nrụpụta na onye na-azụ ahịa.

 

8.Terests

Ule ule

1. Ntinye nke ikuku ekweghiekwe

2. Ntinye nke voltaji na-enweghị ike

3

4.

5. Oru nke mkpụmkpụ {1-} sekit sekit

6. Ntinye nke no- Buru ida na-enweghị {{2} BAGB

7. Nnwale Dielectrine

8.Ratio na njikọ niile wee banye n'ọnọdụ

9. - Epuputala

10. A na-etinye ule voltaji

11

12. Nnwale nnwale

13.Magnetic ule itule

Ụdị ule

1. Nnwale Dielecccric

2. Okpomoku - Bilie ule

3

4. Nnwale na-enwu ọkụ

5. Ule Mgbapụta mmanụ

Nnwale 6.Dynamic show

Ule pụrụ iche

1. Nnwale pụrụ iche pụrụ iche

2. Mkpebi nke ike nke ike na-eji ifufe {{2=na n'etiti ikuku

3. Mkpebi nke onye na-agagharị Volta Nettata Voltata

4. Ntinye nke efu -

5. Mkpebi nke ọkwa ụda

6. Ntinye nke ndi nkwekorita nke onweghi- Bur

7. Nhazi nke ike nke onye ofufe na mmanụ mgbapụta mmanụ

8. Nguchi mkpuchi na ntinye ihe

9.. Ntinye nke discopination na ike nke bushing

10.

11. Ihe ntụgharị dị ugbu a

12. Na- Bary Tap Charter {}}}

13

14. Ntinye nke nzaghachi ugboro

15. Nkpuru ihe eji eme ihe (AUXW) 7/8/2025

* Enwere ike ịhazi ule ọ bụla na-ahụ maka ndị ahịa chọrọ.

Nkọwa nnwale

• Mezue AEC -} na vidiyo vidiyo ma ọ bụ nnwale

transformer testing types

transformer test

 

9.. Uru anyị

 
1.

A na-ejikarị ihe dị elu (amorphous na-arụ ọrụ (slicon nchara) ma na-ejikarị elempletik na-enwekarị {{1} LABE & ibu ibu, gafere98% arụmọrụ(kwekọrọ naIC, Ieee, CSA na ụkpụrụ ndị ọzọ).

2.

Kpachara anya (Lightning na-akpali akpali, mwepu elekere) na30+ afọ ndụ; Vacuum imi na corrosion - owu na-eguzosi ike na-ejide ike n'ọnọdụ ọjọọ.

3.

Na-ahaziVoltaji (11kv-500kv), ike (10kva-500MVA), na iche (akọrọ {0} pịnye, ndị na-ere ahịa, ndị na-apụ apụ ikuku) maka mmepụta ihe, na ngwa na-eme mgbanwe.

4. Smart & Ọdịnihu - dị njikere teknụzụ

Iot-ezigbo- moti(Okpomoku, ujo, mmanu mmanu) nammezi nlezianya; ighoroOllecna bultivatic.

5

Ihe na-adịgide adịgide (Ester {0} mmanụ dabere na mmanụ, resin {{1} a na-akpọpụ ụdị akọrọ) belata mmetụta gburugburu ebe obibi;Seks na-erughị ma ọ bụ hara 55DBna ọkụ - nchekwa.

6. Nkwado Zuru Global & Mba

Ezuru (O., ul, csa, rohs) maka ahịa ụwa niile; nnyefe ngwa ngwa (15-ụbọchị dị egwu) na 24/7 ọrụ nkwado.

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