Nidaamyada baakadaha caadiga ah ee cuntada waxaa ka mid ah xiridda kulaylka, goynta iyo laablaabashada. 6μm waa ka khafiifsan yahay waxayna u nugul tahay daboolida kulaylka iyo waxyeelada aad u dhalaalaysa inta lagu jiro xidhitaanka kulaylka. Sida loo xalliyo dhibaatooyinkan oo kale?

1. Gogoldhig: Qiimaha Codsiga ee 6μm Fool Aluminium Aluminium ah oo ku jira Baakadaha Cuntada iyo Nidaamka Kulayl-Seal Dhibcaha Xanuunka

6μm foil aluminium ee baakadaha cuntada ayaa noqday doorashada guud ee cuntooyinka yar yar (E.g., 10-50g nuts, 20ml suugo xawaash ah) iyo baakadaha la tuuri karo (E.g., bacaha qaxwada degdega ah) faa'iidooyinka ay leedahay awgeed “khafiif fudud (cufnaanta aagga 16.2g/m², 7.7% ka hooseeya 6.5μm), Qiimaha jaban (qiimaha aagga halbeegga 0.8-0.9 RMB/m²), iyo qaab-dhismeed khafiif ah oo aad u fiican”. Si gaar ah, saamigeeda suuqa ee baakadaha cuntada aluminium bireed ayaa gaadhay 42% gudaha 2024 (per Warshada Baakadaha Aluminium Aluminium ee Shiinaha Warqad cad).

Si kastaba ha ahaatee, -ga / -da “sifada qaab dhuuban” ee 6μm aluminium bireed si fudud u kiciyaa arrimaha kulaylka-ku-xidhay ee 6μm bireed aluminium ah oo ku jira baakadaha cuntada inta lagu guda jiro habka kulaylka-xidhida, ka muuqda laba cilladood oo xudun u ah: ① Qalafsanaanta kulaylka-seal (is-hagaajinta cidhifka shaabadda ≥0.5mm, ka badan “leexashada cirifka shaabadda ≤0.3mm” shuruudaha GB/T 2790-2021 Habka Tijaabi 180° Xoogga diirka ee Xabagta), taasoo keenaysa balac shaabad la'aan iyo a 30%-50% korodhka heerka gudbinta ogsijiinta; ② Burbur badan oo dhalaalay (godad, gubasho, ama ka dillaaca substrate ee meesha kulaylku xidhan yahay, oo leh heerka dhaawaca 8%-12%), si toos ah u keena daadinta cuntada, kharribaadda, iyo kor u kac weyn oo ah heerarka qashinka wax soo saarka.

Marka loo eego tirakoobyada ganacsiga baakadaha, khasaaraha sanadlaha ah ee ay sababto arrimaha kulaylka-ku-xidhay ee 6μm bireed aluminium ah oo ku jira baakadaha cuntada xisaabta ku dhawaad 15% ee kharashka wax soo saarka. Marka la eego tan, Falanqaynta sababaha dhibaatada iyo soo jeedinta xalal nidaamsan ayaa muhiim u ah kor u qaadida codsiga baaxadda leh ee 6μm foil aluminium ee goobta baakadaha cuntada..

arrimaha kulaylka-sealty of 6μm bireed aluminium ee baakadaha cuntada-3

2. Falanqaynta Sababta Muhiimka ah ee Arrimaha Kuleyl-Seal ee 6μm Aluminium Foil ee Baakadaha Cuntada

Asal ahaan, arrimaha kulaylka-ku-xidhay ee 6μm bireed aluminium ah oo ku jira baakadaha cuntada jirid ka “ismaandhaafka udhaxeeya sifooyinka maadada iyo cabbiraadaha habka”. Sababaha asaasiga ah waxaa laga sooci karaa saddex dhinac: wax, qalab, iyo habka:

(1) Guryaha Alaabta: Astaamaha Jirka ee 6μm Aluminium Foil Aluminium Aluminium Aluminium-Fayil Waxay Kordhisaa Dareenka Habka

  1. Kuleylka degdega ah iyo caabbinta kulaylka oo liita: Wanaajinta kulaylka ee 6μm bireed aluminium ah ayaa gaadhay 235W /(m · k) (waafaqsan 6.5μm), laakiin dhumucdeeda dhuuban awgeed, awoodda kulaylkeedu waa kaliya 92% oo ka mid ah 6.5μm. Intii lagu gudajiray kuleylka kuleylka, kulaylku wuxuu si degdeg ah u galaa lakabka bireed ee aluminiumka, yaraynta wakhtiga lagu wareejinayo lakabka xabagta kulaylka by 15%. Haddii xakamaynta heerkulku aanu sax ahayn, lakabka xabagta oo aad u dhalaalaysa ayaa laga yaabaa inay dhacdo. Intaa waxaa sii dheer, xadka caabbinta kulaylka ee 6μm bireed aluminium (160℃, ka baxsan taas oo jilicsanaanta intergranular si fudud u dhacdaa) wuxuu ka hooseeyaa 6.5μm (170℃); koror yar oo ku yimaada kulaylka-sealku wuxuu keeni doonaa dhaawac substrate ah, uga sii daraya arrintan kuleyl-ku-xidhka.
  1. Awood farsamo oo hooseeya iyo qallafsanaan fudud: Awooda xajinta ee 6μm bireed aluminium waa 120-130MPa (4%-8% in ka yar 6.5μm), xoogeeda waxsoosaarkuna waa 40-60MPa (iyada oo aan la xoojin qabow). Haddii qaybinta cadaadisku aanu sinnayn inta lagu jiro kulaylka-xidhida, foil aluminium ah ayaa u nugul “qallafsanaanta deegaanka”, taasoo horseedaysa leexinta cidhifyada shaabadda. Ee dib sii dheer, inkasta oo xoogga isku xidhka ee 6μm aluminium foil ka kooban yahay PET/PE (45N / 15mm) wax yar ayuu ka sarreeyaa 6.5μm, awoodda interface ka kooban hoos u by 20% sababtoo ah lakabka koollada oo jilicsanaya inta lagu jiro kulaylka, sii kordhinaysa arrimaha kulaylka-ku-xidhay ee 6μm bireed aluminium ah oo ku jira baakadaha cuntada.

(2) Heerarka Qalabka: Cilladaha Saxda ah ee Qalabka Hilibka-Dhaqameed ayaa ku guul-darraystay inay la qabsadaan Shuruudaha Khafiifka ah

Marka laga soo tago qodobbada maaddiga ah, saxnaanta qalabku waa qayb kale oo muhiim ah oo ka qayb qaadata dhibaatooyinka xidhitaanka kulaylka:

  1. Xakamaynta heerkulka aan ku filnayn: Weecsanaanta heerkulka mashiinnada kuleyliyaha caadiga ah waa inta badan ± 3℃. Sababtoo ah awoodda kulaylka yar ee 6μm bireed aluminium ah, ± 3℃ heerkulka isbedbeddelku wuxuu keenaa kala duwanaanshiyaha heerkulka 6℃ ee aagga kulaylka-shaaban., dhaafsan heerka dulqaadka ee lakabka xabagta kulaylka (E.g., Xabagta EVA, Heerkulka kulaylka ugu fiican wuxuu u dhexeeyaa 130-140 ℃). Lakabka koollada ayaa weli ah mid aan dhalaalin meelaha heerkulka hooseeya (taasoo keentay in shaabadu ay fashilanto) iyo substrate-ka ayaa si xad dhaaf ah u dhalaalay meelaha heerkulka sare leh (waxyeello geysta), si toos ah u keenaya arrintan kuleyl-ku-xidhka.
  1. Midnimada cadaadiska liita: Haddii qulqulka shucaaca ee roller-seal-ku uu dhaafo 0.1mm (weecsanaan caadi ah ee qalabka dhaqanka), 6μm foil aluminium ah ayaa mari doona qallafsanaanta cadaadiska sababtoo ah cadaadis maxalli ah oo aad u sarreeya (>0.3MPa), halka cadaadis aan ku filnayn (<0.1MPa) waxay keentaa ku dheggan liidata ee lakabka koollada, samaynrid “shaabad been ah”. Dhanka kale, haddii saxnaanta saxda ah ee qalabka kuleylku uu yahay ± 0.2mm, oo ay weheliso qallafsanaanta bireed aluminium, cidhifka shaabadda ugu dambeeya si aan sax ahayn wuxuu u dhaafaa 0.5mm, sii xumaanaya arrimaha kulaylka-ku-xidhay ee 6μm bireed aluminium ah oo ku jira baakadaha cuntada.

(3) Isuduwidda Habraaca: Isku-dheellitir la'aanta Halbeegga aan ku filnayn ee u dhexeeya Lamination-Heat-Sealing-Environment

  1. Iswaafajin la'aanta udhaxeysa lamination iyo hababka kuleyl-xidhka: Haddii heerkulka lamination ee 6μm bireed aluminium iyo lakabka kulaylka PE uu aad u sarreeyo (>120℃), viscosity lakabka xabagta hore ayaa loo hawlgelin doonaa, taas oo horseedaysa “is dulsaarid” inta lagu guda jiro kulaylka-xidhida. Cadaadiska lamination ee aan sinnayn (leexasho >0.05MPa) sababa xumbo hawo at interface aluminium foil-PE interface; xumbooyinkani way balaadhaan marka la kululeeyo inta lagu jiro kulaylka xidhitaanka, kicinta dhalaalidda xad-dhaafka ah ee maxalliga ah iyo noqoshada mid ka mid ah sababaha arrintan kuleyl-ku-xidhka ah.
  1. Faragelinta heerkulka deegaanka iyo qoyaanka: Marka qoyaanka deegaanku dhaafo 60%, dusha sare ee 6μm aluminium aluminium si fudud u nuugaya qoyaanka, Kaas oo uumi baxa marka la kululeeyo inta lagu jiro kulaylka-xidhida, samaynta godad cidhifka shaabadaysan. Isbeddelka heerkulka deegaanka ee ka sarreeya 5 ℃ (E.g., afuufi toos ah oo ka imanaya hawo qaboojinta aqoon isweydaarsiga) waxay keentaa balaadhinta kulaylka iyo foosha ee biibiile aluminiumku inay gaadho 0.15%, sii kordhinta kuleyl-ku-dhejinta khaldan iyo sii xumeynta arrimaha kulaylka-ku-xidhay ee 6μm bireed aluminium ah oo ku jira baakadaha cuntada.

3. Xalka Habaysan: Xallinta la Beegsaday ee Arrimaha Kuleyl-Seal ee 6μm Aluminium Foil ee Baakadaha Cuntada

Si wax looga qabto sababahan asaasiga ah, isku-dhafka afar-geesoodka ah-”wax ka beddelidda si kor loogu qaado dulqaadka, cusboonaysiinta qalabka si loo hagaajiyo saxnaanta, habaynta habraaca si kor loogu qaado xuduudaha, iyo la socodka internetka si looga hortago fashilka”- waxaa loo baahan yahay in la xalliyo arrimaha kulaylka-ku-xidhay ee 6μm bireed aluminium ah oo ku jira baakadaha cuntada:

(1) Heerka Alaabta: Wax ka beddelka iyo Hagaajinta Qaab-dhismeedka Isku-dhafka ah si loo hagaajiyo Laqabsiga ku-Seal-kulka

Laga bilaabo horumarinta alaabta, Kor u qaadida ku-habboon-ku-xidhka-kulka ee 6μm bireed aluminium ah waa tallaabada aasaasiga ah:

  1. Wax ka beddelka kulaylka u adkaysta dusha bireed aluminium
    • Korsashada “vacuum-deposited polyimide (PI) daahan”: Dhigista 0.5-1μm daahan PI qaro weyn (heerkulka iska caabinta kulaylka 260 ℃) dusha sare ee kulaylka-seal of 6μm aluminium bireed waxay kordhin kartaa heerka iska caabinta kulaylka ee bireed aluminium ilaa 180 ℃, balaadhinta daaqada heerkulka aad u dhalaalaysa laga bilaabo 10 ℃ (150-160℃) ilaa 30 ℃ (150-180℃). Dhanka kale, isbahaysiga is jiid jiid ee daahan PI (0.18) wuu ka hooseeyaa kan foornada aluminium ee qaawan (0.25), hoos u dhigista simbiriirixinta dhexda inta lagu jiro kul-xidhka iyo hoos u dhigista khaladka ah by 40%, si wax ku ool ah loo yareeyo arrintan kuleyliyaha.
    • Hirgelinta “daaweynta dusha anodizing”: Iyada oo loo marayo 20-30V DC electrolysis, Filim cufan oo 50-100nm Al₂O₃ ah ayaa laga sameeyay dusha bireed aluminium, hoos u dhigida habdhiska kulaylka by 12% iyo dib u dhigista kulaylka wareejinta lakabka koollada si looga fogaado dhalaalidda xad dhaafka ah ee maxalliga ah. Tijaabooyinka shirkaduhu waxay muujinayaan in heerka waxyeellada dhalaalaysa ee 6μm aluminium foil ka dib uu hoos u dhaco 10% ku 3.2%, si weyn u soo hagaagaya arrimaha kulaylka-ku-xidhay ee 6μm bireed aluminium ah oo ku jira baakadaha cuntada.
  1. Naqshadaynta qaabdhismeedka isku dhafan
    • Isticmaalka “lakabka kulaylka tartiib tartiib ah”: Beddelidda lakabka-shabaynta kulaylka ee hal dhaqameed (20dhumuc weyn) leh a “PE+EVA lakabka gradient” (15lakabka PE, barta dhalaalka 130 ℃; 5μm lakabka Eva, barta dhalaalka 110 ℃) waxay isticmaashaa barta dhalaalaysa ee hoose ee EVA si loo yareeyo heerkulka-kulka (laga bilaabo 140 ℃ ilaa 125 ℃), yaraynta wakhtiga kulaylka ee foil aluminium. Intaa waxaa sii dheer, xoogga isku-xidhka lakabka gradient-ku wuxuu gaaraa 55N/15mm, 22% ka sarreeya kan lakabka PE-da keliya, kor u qaadida awoodda ka-hortagga khaldan iyo bixinta aasaaska agabka xalinta arrintan kuleyl-ku-xidhka.

Arrimaha kuleyliyaha-ku-xiran ee 6μm bireed aluminium ah oo ku jira baakadaha cuntada-4

(2) Heerka Qalabka: Dib u hagaajinta saxda ah ee laqabsiga habsocodka xasaasiga ah ee 6μm aluminium foil

Marka lagu daro hagaajinta alaabta, cusboonaysiinta saxda ah ee qalabka ayaa muhiim u ah xakamaynta cilladaha kuleyliyaha:

  1. Kor u qaadida nidaamka xakamaynta heerkulka ku-xidhka
    • Korsashada “PID + cabbiraadda heerkulka infrared kontoroolka-loop-xiran”: Ku dhejinta Pt100 resistor platinum (saxda ah ± 0.1 ℃) ee roller-seal iyo rakibidda heerkulbeeg infrared ah (waqtiga jawaabta <0.01s) aagga kuleyliyaha-ku-xidhka si aad waqtiga-dhabta ah dib ugu soo celiso weecashooyinka heerkulka oo aad hagaajiso awoodda kuleylka, hagaajinta saxnaanta xakamaynta heerkulka min ± 3℃ ilaa ± 0.5℃. Ka dib codsiga khadka wax soo saarka, Kala duwanaanshaha heerkulka aagga kuleylku wuxuu dejinayaa 1 ℃ gudahood, hoos u dhigista heerka waxyeellada dhalaalashada badan 60% oo si wax ku ool ah loo cabudhiyo arrimaha kulaylka-ku-xidhay ee 6μm bireed aluminium ah oo ku jira baakadaha cuntada.
  1. Hagaajinta cadaadiska iyo nidaamka toosinta
    • Isku dhafka nidaamka toosinta muuqaalka: Ku rakibida kamarad warshadeed oo 2-megapixel ah (inta jeer ee toogashada 50fps) saldhiga kulaylka, oo lagu daray algorithms aragtida mashiinka (meelaynta saxda ah ± 0.05mm), si loo saxo leexashada booska qalabka kuleylka-seal. Tani waxay xakameysaa isugeynta cidhifka shaabadaysan ee ka badan 0.5mm ilaa ≤0.2mm, buuxinta shuruudaha GB/T 2790 iyo xalinta arrimaha kulaylka-ku-xidhay ee 6μm bireed aluminium ah oo ku jira baakadaha cuntada laga bilaabo dhamaadka qalabka.

(3) Heerka Habka: Isuduwidda Halbeegga iyo Xakamaynta Deegaanka si loo Dhiso Daaqadda Hab-socodka Deggan

Kor u qaadida alaabta iyo qalabka, Hagaajinta habsocodka ayaa sii hubinaysa xasilloonida-kulka:

  1. Hagaajinta orthogonal ee cabbiraadaha kuleyliyaha (DOE naqshadeynta tijaabada ah)

Iyada oo loo marayo tijaabooyinka orthogonal (arrimood: heerkulka T, cadaadiska P, waqti t; heerarka: T=120-130℃, P=0.12-0.18MPa, t=0.3-0.4s) iyo falanqeynta habka dusha sare ee jawaabta, isku darka halbeegga habka ugu wanaagsan ayaa la go'aamiyaa: T=125℃, P=0.15MPa, t=0.35s. Halkaa marka ay marayso, xoogga kulaylka-seal of 6μm bireed aluminium gaadho 52N/15mm (16% ka sarreeya tayaynta ka hor), heerka khaldani waa 0.8%, iyo heerka waxyeellada dhalaalku waa 2.1%, siinta habraaca saldhig u ah xallinta arrimaha kulaylka-ku-xidhay ee 6μm bireed aluminium ah oo ku jira baakadaha cuntada.

  1. Xakamaynta saxda ah ee heerkulka deegaanka iyo qoyaanka
    • Rakibaadda a “heerkulka joogtada ah iyo nidaamka qoyaanka” ku jira aqoon-is-weydaarsiga kuleyliyaha: Xakamaynta heerkulka 23± 2℃ (yaraynta balaadhinta kulaylka iyo foosha ee biibiile aluminium ilaa ≤0.05%) iyo huurka 45±5% (ka fogaanshaha nuugista qoyaanka dusha aluminium aluminium). Dhanka kale, Ku rakibida gaashaanka dabaysha ee xarunta kuleyliyaha si looga hortago heerkulka deegaanka iyo isbedbedelka qoyaanka ee ay keento qaboojinta tooska ah, sii yaraynta khatarta is-waafajinta iyo dhalaalidda xad-dhaafka ah iyo caawinta hagaajinta arrinta-kulka.

arrimaha kulaylka-sealty of 6μm bireed aluminium ee baakadaha cuntada-2

(4) Heerka Kormeerka Tayada: Ogaanshaha Onlaynka ah iyo Xaqiijinta Khadka Tooska ah si loo dhiso Maaraynta Xidh-xidhan

Si looga hortago soo noqoshada dhibaatooyinka kuleyliyaha, nidaam kormeer oo dhamaystiran waa lama huraan:

  1. Nidaamka ogaanshaha waqtiga-dhabta ah ee khadka tooska ah
    • Ogaanshaha xoogga kulaylka ee khadka tooska ah: Ku rakibida dareemayaasha kacsanaanta (saxda ah ± 0.1N) ka dib saldhigga kuleylka-ku-xidhka si aad si aan kala sooc lahayn u muunad dhinaca hore, dhex, iyo qaybaha danbe ee duudduuban bireed aluminium kasta (hal muunad 100mkiiba), waqtiga dhabta ah ee lagu ogaanayo xoogga kuleyliyaha, oo si otomaatig ah u kicinaysa oo u hagaajinaysa cabbirrada haddii ay ka hooseyso 40N/15mm;
    • Ogaanshaha shaabadeynta onlaynka ah: Isticmaalka a “tijaabiyaha shaabadeynta cadaadiska xun” (ogaanshaha saxda ah 1Pa) si loo tijaabiyo daboolida baakadaha kulaylka lagu xidhay (qiimaha cadaadiska xun -50kPa, cadaadiska cadaadiska 5s), si toos ah u diidaya baakadaha oo leh heerka daadinta >0.5kPa/s, iyo ka hortagga soo noqoshada arrimaha kulaylka-ku-xidhay ee 6μm bireed aluminium ah oo ku jira baakadaha cuntada laga bilaabo dhamaadka tayada.

4. Xaqiijinta Codsiga: Horumarka Saamaynta Xalka Arrimaha Kuleylka-Seal ee 6μm Aluminium Foil ee Baakadaha Cuntada

Si loo xaqiijiyo waxtarka xalalka la soo jeediyay, Shirkad soo saartay 20g oo bacaha lowska ah ayaa adeegsatay tallaabooyinka kor ku xusan, taasoo keentay horumar la taaban karo arimaha kulaylka ee 6μm aluminium foil baakadaha cuntada iyo tilmaamayaasha muhiimka ah:

  1. Tilmaamayaasha tayada: Heer la'aanta kuleylku-sealku wuu ka yaraaday 8.5% ku 0.7%, heerka waxyeellada dhalaalay ee xad dhaafka ah ayaa hoos uga dhacay 11.2% ku 2.3%, xoogga kuleylku wuxuu xasiliyay 50-55N/15mm, iyo heerka u qalmida shaabadeynta ayaa ka kordhay 92% ku 99.8%, buuxinta shuruudaha macmiilka ee “6-nolosha shelf ee bisha iyo wax daadsan”;
  1. Tilmaamayaasha qiimaha: Heerarka qashinka wax soo saarka ayaa ka yaraaday 12% ku 3.5%, qiyaas ahaan khasaaraha qashinka sanadlaha ah 860,000 RMB; Isticmaalka tamarta kuleyliyaha ayaa hoos u dhacay 15% (sababtoo ah hoos u dhigista kulaylka-heerkulka ka 140 ℃ ilaa 125 ℃), kaydinta kharashyada korontada sanadlaha ah oo ku saabsan 120,000 RMB;
  1. Tilmaamayaasha waxtarka leh: Xawaaraha kuleylku wuxuu ka kordhay 40m/daqiiqo ilaa 60m/daqiiqo, hagaajinta awoodda khadka wax soo saarka by 50% iyo buuxinta dalabaadka nidaamka xilliga ugu sarreeya.

arrimaha kulaylka-sealty of 6μm bireed aluminium ee baakadaha cuntada-1

5. Gabagabo: Macquulka Muhiimka ah ee Xallinta Arrimaha Kuleyl-Seal ee 6μm Aluminium Foil ee Baakadaha Cuntada

Marka la soo koobo, arrimaha kulaylka-ku-xidhay ee 6μm bireed aluminium ah oo ku jira baakadaha cuntada maaha “cilladaha dabiiciga ah ee walxaha khafiifka ah” laakiin waxa ka dhasha wada shaqayn ku filan oo u dhaxaysa “hantida maaddada, saxnaanta qalabka, xuduudaha habsocodka, iyo xaaladaha deegaanka”. Caqliga xudunta u ah xalinta dhibaatadan ayaa ku jirta:

  1. Heerka maadada: Kobcinta iska caabbinta kulaylka iyo awoodda ka-hortagga curyaaminta ee 6μm aluminium bireed iyada oo loo marayo wax ka beddelka dusha sare (PI dahaarka, Caano la'aanta) iyo hagaajinta qaabdhismeedka isku dhafan (lakabka kulaylka tartiib tartiib ah), ballaarinta daaqada nidaamka iyo yaraynta dhiirigelinta dhibaatada ee xididka;
  1. Heerka qalabka: Dib u cusboonaysiinta qalabka kulaylka lagu xidho “xakamaynta heerkulka saxda ah ee saxda ah, cadaadis labis ah, iyo toosinta muuqaalka” Sida xudunta u ah la qabsiga habsocodka dareenka ee xaashida khafiifka ah iyo xakamaynta dhibaatada ka imanaysa dhamaadka qalabka;
  1. Habka iyo heerarka la socodka: Dhisidda daaqada habsocodka kulaylka ee xasilloon iyada oo loo marayo hagaajinta cabbirka tijaabada ee DOE iyo xakamaynta deegaanka, iyo samaynta maaraynta xidhxidhan ee ogaanshaha onlaynka ah si loo hubiyo in dhibaatada si buuxda loo xalliyo laga bilaabo dhamaadka habka.

Horey u soco, la horumarinta ee “ultra-light iyo aadka u khafiifsan” isbeddelka baakadaha cuntada (E.g., 5μm aluminium foil), waxay noqon doontaa lagama maarmaan in la sii daro “hababka caqliga leh (Saadaasha halbeegga AI), dahaarka functional (caabbinta kulaylka sare + khilaaf hoose), iyo qalab tayo sare leh (meelaynta nanoscale)”. Tani kaliya ma bixin doonto tixraacyada arrimaha habka la midka ah ee walxaha khafiifka ah, laakiin sidoo kale waxay kor u qaadi doontaa codsiga ballaaran ee 6μm aluminium aluminium ee goobta baakadaha cuntada., gaaritaanka yoolalka badan ee “khafiif fudud, kalsoonida sare, iyo isticmaalka tamarta yar”.

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