Ma Wristbands Osindikizidwa Mwambo a RFID: Njira Zosindikizira, Zosankha za Chip, ndi Kuyitanitsa Kwambiri Kuchokera Pansi Pafakitale
Jun 02, 2026
Siyani uthenga
Gwiritsani ntchito masana kusonkhanitsa zolemba ndipo muwona chinthu chomwecho chikuvala mayina anayi osiyana. Wogulitsa wina amawatcha kuti RFID nsalu zotchinga, wotsatira akuti "nsalu," wachitatu amalemba "wolukidwa," ndipo wachinayi amalemba "satin." Onse akufotokoza chinthu chofanana: poliyesitala yofewa kapena ya satin-lamba woluka wokhala ndi tagi ya RFID kapena NFC yomangidwamo, kusiyana ndi zomangira za silikoni, PVC, kapena zotayidwa za Tyvek. Chizindikiro chimasintha ndi fakitale, osati ndi ntchito.
Gawo lomwe limasankha ngati kuyitanitsa kwanu kumagwira ntchito sizinthu. Ndi njira yosindikizira, chifukwa ndizomwe zimatsimikizira mwakachetechete momwe chip chimachitikira. Kuti, chip-ndi-kukwanira kwa nsanja, ndi kuchuluka kwa ndalama zomwe zimawononga ndi komwe maoda amachotsedwa komanso bajeti imasokoneza-chizindikiro. Kusankha chinthu cha chochitika chimodzi ndi chisankho chapadera, ndipo tidachigwiritsa ntchito mu kalozera wathukusankha RFID nsalu wristbands zochitika; apa timakhala pa ndondomeko yosindikiza, ma chip frequency, ndi kuyitanitsa zambiri.

Chifukwa chiyani nsalu yoluka ndi njira yosindikizira yomwe imapulumuka pamkono
Gulu la silikoni limanyamula logo yochotsedwa osati zina zambiri. Gulu la Tyvek limatenga inki yotsika mtengo koma misozi, ndipo silinapangitse kuti lizitha kumapeto kwa sabata. Nsalu imakhala m'gulu losiyana kwathunthu. Polyester wolukidwa amavomereza-mitundu yotuluka magazi pa lamba ndi chizindikiro chake, amapuma ndi khungu kudzera-mavalidwe amasiku ambiri, ndipo, mochititsa chidwi kwambiri, amatha kunyamula RFID inlay mkati mwazoluka m'malo momata kunja. Kuphatikizikako ndichifukwa chake zingwe zapamanja za RFID zosindikizidwa zakhala zosasinthika pa chilichonse chomwe chimayenera kuwoneka ngati mtundu ndikutha masana. Koma katundu wachitatu uja, kuyika kwa inlay, ndikomwe njira zinayi zosindikizira zimagawanika: si onse omwe amasunga chip pamalo amodzi, ndipo kusiyana kumeneko ndi komwe kulephera kwamunda kumayambira.
Njira zinayi zoyika chizindikiro chanu pagulu, komanso chifukwa chake njirayo imatengera kulephera kwanu
Ogula ambiri amawona kusindikiza ngati kusankha kokongola. Pamlingo wake ndi uinjiniya, chifukwa njira yosindikizira imalepheretsa momwe tag imamangirizidwa, ndipo cholumikizira, osati inki, ndi chomwe chimalephera m'munda.
| Sindikizani / njira yolumikizira | Momwe chip imagwiridwira | Utoto & zojambulajambula | Kukhazikika kwakunja-kwamasiku ambiri | Zokwanira bwino |
|---|---|---|---|---|
| Woven (jacquard) | Inlay yoluka kapena yosokedwamkatilamba, lotsekedwa kwathunthu | Phale lotengera ulusi{{0}; logo yoperekedwa mu nsalu | Chapamwamba; palibe chowonekera ku snag | Zikondwerero, nyengo ikudutsa, chirichonse chakunja |
| Dayi-sublimation | Tagi nthawi zambiri pa "smart{0}}tag slider" yakunja yolumikizidwa pagulu | -mtundu, zithunzi, m'mphepete-mpaka-m'mphepete | Pansi; slider ikuwonekera | M'nyumba,-zothamanga, zolemera, zazifupi{1}}zamasiku amodzi |
| Tag yomangidwa pansi pa filimu yosamutsidwa | Kuthwaniko-mtundu wonse | Zapakati; zimatengera kugwirizana ndi kusamba kukhudzana | Zosakanizika zamkati/kunja, chisamaliro-zofuna kulemba zilembo | |
| Kusindikiza pazenera | Ikani mu thumba losokedwa kapena chomangira chomangika | Mitundu yolimba yamawanga, mitundu 1-4 | Pakati-mmwamba | Mtengo-ndizovuta kwambiri wokhala ndi logo yosavuta |
Nachi chigamulo chomwe tidzipangira, motsutsana ndi njira yokongola: pa chilichonse chakunja kapena -masiku ambiri, nsalu za RFID zolukidwa pamanja-sublimation, ngakhale utoto-wocheperako umakupatsani zithunzi, kuyambira{3}}mpaka{4}}mtundu wakukona. Chifukwa chake ndi makina, osati zowoneka. Utoto-nthawi zonse umakhala wolumikizana ndi smart yakunja-tag slider, komanso pa data yathu yobweza panja, slider imagwira ntchito momasuka (yotayidwa ndi munthu wosakhazikika, yogwidwa ndi lamba wa chikwama kapena chotchinga cha anthu) ndiye njira imodzi yokha yolephera yomwe timawona ikubwerera. Woven amayika chizindikirocho penapake palibe chomwe chingagwire.
Tanthauzirani izi kukhala magawo atatu. Kwa baji ya m'nyumba-yamsonkhano watsiku limodzi yomwe simaona nkhanza zambiri, utoto-mtundu wa sublimation ndi wofunika ndipo chiopsezo cha slider ndi chochepa kwambiri. Pakudutsa kwanyengo komwe kumagwiritsidwanso ntchito kambirimbiri, chomangiracho chimakhala chofunikira kwambiri kuposa phale, pomwe kutentha ndi kuluka kumatsogola. Ndipo pa chikondwerero chakunja-chamasiku atatu chokhala ndi malipiro opanda ndalama pampopi iliyonse, slider ndi ngongole yomwe mukulipira kuti mutumize. Chisankho chalukidwa, kuyimitsa kwathunthu. (Ngati chidule chanu chimafuna zithunzi,{8}}zojambula zamitundu yonse zolimba panja, imeneyo ndi nkhani yoti mukambirane nkhaniyo isanatsekedwe; ndipo pamene vuto la kukhazikika kwa chinthucho limakhala losasunthika komanso makwinya pa moyo wa chinthucho, talemba zomwe zatsala mobwerezabwereza m'chigawo chathu.kutentha{{0}kusamutsani zilembo za chisamaliro cha RFID ndi kulimba kwa 500-wash.) Zimathandiza kuti timangire tchipisi pamizere ya tinyanga pamizere yathu m'malo mogula zolowetsa zomalizidwa: mlongoti wofooka umagwidwa pamlingo womangirira, osati pambuyo pa zombo zamagulu.

Chifukwa chiyani magulu awa amathamanga pa 13.56 MHz, osati UHF
Osintha ambiri ogulitsa amasiya pepala la RFID la ma wristbands ndi pafupipafupi: ma frequency a chip, ndi momwe thupi limasokoneza. Pezani zolakwika ndipo mutha kugula magulu masauzande ambiri omwe amawerenga bwino pa benchi ndikulephera pamkono.
High-matchipisi (HF) pa 13.56 MHz, banja la NFC, amagwiritsa ntchito pafupi-kulumikiza maginito: kuwerenga kwakufupi pafupifupi 2 mpaka 7 cm, koma komwe kulibe chidwi ndi thupi lomwe lili pansi pake. Tchipisi ta UHF pa 860–960 MHz amawerenga motalikirapo, komabe amatsutsana ndi khungu, chifukwa minofu ya munthu nthawi zambiri imakhala yamadzi ndipo imasintha machesi a mlongoti, kuti gulu la UHF lomwe limawerenga m'manja mwanu likhoza kufa pamkono. Chimenecho si chilema; ndi momwe thupi-zovala zimachitira (US National Library of Medicine).
Choncho kaimidwe kake ndi kolunjika. Dinani-ndi-kupita pamanja (zolowera, zolipira zopanda ndalama, malo-ya-zozindikiritsa), nsalu ya NFC pa 13.56 MHz ndi chida cholondola, ndipo UHF ndi ya{6}}kufufuza zinthu zambiri monga mtunda wa malo osungira katundu, osati pazipata.
Msampha sikusankha HF; ndikuganiza kuti chipangizo chilichonse cha HF chidzalankhula ndi nsanja yanu. NTAG213 ndi yabwino pampopi yomwe imatsegula ulalo kapena kusunga ID yosavuta; ngati mukufuna zomveka bwino-zachingerezi zomwe tchipisi timachita, tafotokozamozomwe ma tag a NFC amatanthauza. Koma njira zolipirira zotetezeka komanso zofikira zimafunika MIFARE DESFire EV2/EV3, chifukwa Crypto yakale ya MIFARE Classic-1 cipher yasinthidwa poyera (Wikipedia), ndi nsanja zambiri zopanda ndalama tsopano zimakana Classic kotheratu. Chifukwa chake tchipisi pa-logo ya NFC wristband ya nsalu imatsimikiziridwa papulatifomu musanayitanitsa, osati pambuyo pake. Gulu lomwe silingatsimikizidwe likadali lotayidwa.
Kutseka: mzere wabata pakati-kagwiritsidwe kamodzi ndi kagwiritsidwenso ntchito
Kutseka kumasankha chiwopsezo cha kusamutsa, ndipo kuyimba koyenera sikodziwikiratu: zochitika zolipiridwa kapena zoletsa-kulowa kwa passback kumatenga njira imodzi-kutseka mbiya, pulogalamu yodutsa nyengo kapena pulogalamu ya umembala imatenga mkanda wogwiritsiridwanso ntchito, ndipo kutseka pang'onopang'ono ndikwanthawi kochepa{2}}kwachiopsezo, chachifupi{3}}zokonda kuvala zokha. Chotsekera mbiya chimapangitsa gululo kuti lisokoneze-umboni wosonyeza kuti okonza amasamala (litayaka, silingasunthidwe kwa wina popanda kuwononga), pamene nsalu za RFID zogwiritsidwanso ntchito pamanja zimagwiritsa ntchito mkanda wotsetsereka kotero kuti malo amatha kusonkhanitsa, kuyeretsa, ndi kutulutsanso pakapita nthawi. Chigawo chimodzi-chingosiyidwapo chomwe chimawononga ndalama zenizeni: barrel{8}}mabandi otsekera ali ndi utali womalizidwa wokhazikika. Muyezo wa 380 mm ndi wokwanira akuluakulu ambiri, koma ngati mukupereka kwa ana kapena okulirapo{11}}antchito omanga, kutsimikizira kuchuluka kwa anthu musanayambe kuthamanga ndiye kusiyana pakati pa kukwanira bwino ndi kusindikizanso.
Gulu lomwelo, ntchito zisanu ndi imodzi zosiyana kwambiri
Cholakwika pazambiri za-za ogula ndikulankhula za zikondwerero ndikuyimirira pamenepo. Zolemba zambiri za nsalu za RFID zimasinthidwa ndi mafakitale, ndipo kusiyana kwake sikokongola. Pezani cholakwika choyimirira ndipo chip chimawerenga bwino pomwe pulogalamuyo ikulephera.
Yambani ndi zowongolera zofikira, zamakampani, ndi mahotelo. Mtunda wowerengedwa ndi waufupi mwadala ndipo chitetezo chimaposa kuchuluka kwake, kotero kuyimba ndi DESFire pa kutsekedwa kwa mikanda yogwiritsidwanso ntchito: chidziwitso chimatulutsidwanso m'malo motayidwa, ndipo chiyenera kukana kugwirizanitsa. Mapulogalamu a hotelo amakhala ndi cheke chowonjezera kupitilira chip: kabisidwe kake kuyenera kufanana ndi mtundu wa UID womwe malo-oyang'anira amayembekeza, osati kusakhazikika kwamtundu wa DESFire. Timatsimikizira kuti motsutsana ndi PMS specs oda ya hotelo isanapangidwe. A mtundu mismatch anagwidwa pa chitsanzo siteji ndi kukonza mwamsanga; kusagwirizana komweku komwe kumapezeka pacheke-m'mawa sikuli.
Zikondwerero, malo osungiramo zisangalalo, ndi mapaki amadzi amatembenuza izi. Chipuchi chikadali HF, koma ntchito yeniyeni ndiyokhothira: gulu lililonse limakonzedwa kale-ndikumangiriridwa kupulatifomu yopanda ndalama kapena yopangira matikiti, ndi loko imodzi yokha yolondera pachipata. Lingaliro pano si gulu loimba; ikutsekera mtundu wa UID wa chip papulatifomu isanapangidwe, chifukwa chikondwerero chomwe chimapeza mawonekedwe osagwirizana pachipata-otsegula m'mawa alibe nthawi yochira. Uku ndiyenso kutha kwa bizinezi yathu: katswiri m'modzi wochita zosangalatsa-ogwiritsa ntchito paki popanda ndalama timapereka maoda ofikira makadi a RFID osindikizidwa mamiliyoni awiri pachaka, ndipo pamlingo wotere amavomerezana miyezi ikubwerayi, osati pagawo lotsimikizira. Ngati mukuyitanitsa zingwe zapamanja za RFID zolukidwa mochulukira m'mapaki achisangalalo, ma encoding lead-ndi chinthu choyamba kuletsa.
Healthcare ndiye yoyimirira pomwe tawona zosindikiza zili zofunika kwambiri kuposa mawonekedwe a chip. Gulu lomwe ID ya wodwala imatsuka pambuyo pakusintha kumodzi sikuthandiza ngakhale ikuwerengedwa moyera bwanji. Funso la chip limayamba ndi NTAG kapena DESFire kufupi-malo osiyanasiyana{3}}pa-zowerengeka; funso losindikiza limayamba ngati gululo lipulumuka nthawi ya sanitization yomwe idzawone, ndipo ndilo dongosolo lowakhazikitsa.
Mapulogalamu a umembala ndi kukhulupirika amakhala mbali ina: kugwiritsanso ntchito ndi kumaliza kwa mtundu kumakhala kokulirapo, chifukwa gululo limakhala lovala kwa miyezi yambiri ndipo, kwenikweni, ndi chizindikiro cha malowo pamkono. Pakati pa zonsezi chip chikhoza kukhala chofanana; kutseka, encoding, kumaliza, ndi dongosolo logic si. Kuyika kwa nsanja makamaka kumasiyana ndi mtundu wa mapulogalamu. Taona mavenda akukankhira wowerenga{3}}kusintha kwa firmware pakati pa siteji yachitsanzo ndi kupanga komwe kumasintha mtundu wa UID woyembekezeka, ndipo popanda{4}}kuonetsetsa kuti kukonza kokha ndi kusindikizanso. Kuyitanitsa kulikonse kusanasindikizidwe, tsimikizirani mtundu wa UID ndi omwe akukupatsani nsanja komanso nafe; zigawo ziwirizi ziyenera kugwirizana, osati kungokhala limodzi.
Kumene kufunikira kumachokera
Ili si gulu lachilendo lomwe likuzimiririka. Chikondwerero cha cashless wristband gawo chinali chamtengo wapatali pafupifupi $ 1.43 biliyoni mu 2024 ndipo chikutsata pafupifupi $ 6.36 biliyoni pofika 2033, chiwonjezeko chapachaka choyandikira 18% (Dataintelo), pamene msika wolipirira zochitika zopanda ndalama ukukulira pafupifupi 18% pachaka pomwe Asia-Pacific ili dera lomwe likuyenda mwachangu kwambiri-(Malipoti a Growth Market). Msika wapakati wa RFID wristband hardware umakula pang'onopang'ono komanso pang'onopang'ono, mumtundu wa 7% (Nenani Prime), zomwe zimakuuzani kuti voliyumu ikukokedwa ndi mapulogalamu ndi nsanja zolipira, osati ndi magulu omwe. Kwa wogula, izi zikutanthauza kuti chip-ndi-zisankho zomwe zili pamwambazi zimakhala zofunika kwambiri chaka chilichonse, osati zochepa.
Kodi kuyitanitsa kochuluka kumakhudza bwanji: MOQ, zitsanzo, nthawi yotsogolera, mtengo
Kuthamanga mwachizolowezi kumayambira pamlingo wocheperako wa zidutswa 100-500. Zitsanzo zimatumizidwa mkati mwa masiku 3-5, ndipo kupanga zochuluka kumayenda pafupifupi masiku 15-30 zojambulajambula zivomerezedwa. Tsiku lovomerezeka limenelo, osati tsiku loyitanitsa, ndilomwe limayendetsa nthawi yanu. Zojambulazo ziyenera kufika ngati vekitala AI kapena PDF pa 300 dpi kuti kusindikiza ndi kuluka kukhale mzere. Pamtengo weniweni wa RFID wristband wholesale oda ya mayunitsi 500 kapena kupitilira apo, fakitale-chindunji pa-mitengo imatsika pafupifupi $0.80–$3.50; chiwerengero chimenecho ndi chathu, kutengera mtengo wathu wa mzere pa voliyumu, osati kuchuluka kwa msika, ndipo zimayenda ndi chip ndi kusindikiza njira.
| Kulamula kuchuluka | Mtengo wofananira wa unit | Wogula wamba |
|---|---|---|
| 100-500 (kulowa MOQ) | Zapamwamba pagawo lililonse | Kuthamanga koyendetsa, malo ang'onoang'ono, dongosolo loyamba |
| 500–5,000 | Amatsika kwambiri | Zochitika zokhazikika kapena dongosolo la nyengo |
| 5,000–50,000+ | Chotsika kwambiri, choyandikira | Zikondwerero zazikulu, -malo ambiri, ogawa |
Gawo lomwe limayenda kwambiri pakati pa mavoti ndi ma invoice si kuchuluka kwake; ndi chip. Sinthanitsani NTAG213 ndi DESFire EV3, kapena logo imodzi-yolukidwa yamtundu umodzi kuti ikhale utoto wathunthu-ndi sublimation, ndipo-pa nambala ya yuniti imatha kusintha kwambiri kuposa kuwirikiza kambiri. Chifukwa chake musanatseke kuchuluka kulikonse, tsimikizirani zomwe nsanja yanu imatsimikizira; kuti kusintha kumodzi kumaposa kusweka kwa voliyumu. Mawu opanda mawu okhoma si mawu enieni, chifukwa chake kuli koyenera kukhala ndi katswiri wopanga ma wristband a RFID ndikuwerenga-yesani kagulu kakang'ono potengera nsanja yanu yeniyeni. Muthayang'anani zolemba zonse za wristband yolukidwa ndikupempha zitsanzokuti muwone ndendende zomwe mungakhale mukuvomereza.
Zolakwitsa zisanu zomwe zimatembenuza dongosolo lotsika mtengo kukhala lokwera mtengo
Zolakwa zamtengo wapatali mu dongosolo la RFID zitsulo zopangira nsalu ndizodziwikiratu, ndipo zimasonkhana kumayambiriro kwa polojekiti. Chokwera mtengo kwambiri ndikulandira chip chilichonse chomwe chimakhala munkhokwe ya fakitale (nthawi zambiri imakhala F08 clone kapena MIFARE Classic) ndikupeza potumiza kuti malo olipira kapena olowera sangatsimikizire, omwe amamanga masauzande ambiri omalizidwa. Iyi ndi imelo yomwe imayenera kupewedwa: ngati nsanja yanu ikusankhidwabe, tsimikizirani mtundu wa chip womwe umafunika musanatseke chilichonse, ndipotitumizireni tsatanetsatane wa nsanja kuti muwone ngati ikugwirizanaosati kungoganiza.
Zina zinayi zikutsatira nthawi ndi mawonekedwe. Zolemba zotsekera mochedwa kwambiri ndizomwe zimakhala chete: zosankha za chip ndi kusindikiza zimatsitsidwa ndi nthawi yofikira, ndipo kukakamizidwa ndi nthawi yomwe ma tchipisi amalandiridwa. Kenako pali zolakwika, pomwe ogulitsa matikiti ndi ogulitsa mabandi amakhala amitundu yosiyanasiyana ndipo wina amawalowetsa-tsamba m'mawa wa chochitikacho. Kuzindikira ndikosavuta: funsani nsanja yopangira matikiti ndi wopanga ma wristband, padera, mtundu wa UID womwe aliyense amafunikira pa chip; ngati mayankho awiriwa sakufanana, mwapeza vuto lisanakupezeni. Kufotokozera UHF pakugwiritsa ntchito padzanja ndi chachinayi: imawerengedwa pa 50 cm pamalo athyathyathya, imatsika mpaka 3 cm kapena kuchepera padzanja, ndipo sangalembetse kudzera mwa owerenga konse. Mayeso a benchi amawoneka oyera; kutumizidwa sikutero. Yachisanu ndi masamu a nthawi{10}}yotsogola: wotchi yosindikizira imayambira pa kuvomera kwa zojambulajambula, osati kuyitanitsa, kotero kuti chochitika chamasiku 45 chisanathe popanda zojambula zovomerezeka sichikhala ndi masiku 10 oyandama pomwe zenera la masiku 15 mpaka 30 liwerengedwa, malo obwereza kamodzi, osati atatu. Makasitomala omwe amawona tsiku loyitanitsa ngati tsiku loyambira amachedwa.
Chifukwa chiyani ogula amatumizira maoda awa kufakitale, osati kwamalonda
Wogulitsa akugulitsanso magulu a munthu wina ndipo amadalira munthu wina pa ntchito ya chip; fakitale imayendetsa unyolo womwe umalephera. Syntek yapanga zinthu za RFID ndi NFC kuyambira 2006, zomwe zikuyenda mu-mabandi akunyumba mpaka kumapeto kwa mizere isanu yopangira mu 3,600 m² malo okhala ndi antchito 200+, pansi pa satifiketi ya ISO 9001:2015, CE, ndi ICAR. Kuitanitsa kulikonse kumadutsa-masiteji atatu, kuphatikiza kuyesa{10}}kuyezetsa mtunda wa 1, 5, ndi 10 cm, zomwe zimatilepheretsa kukana{14}pamabandi ochita kutengera ndi gulu osati zitatumizidwa. Zitsanzo zaulere zimatuluka mkati mwa masiku atatu. Monga mmene zikuchulukira: kasitomala mmodzi-wa ku Portugal amayitanitsa mabandi oposa miliyoni imodzi pachaka, kuphatikizapo UV{18}}fluorescent ndi glow{19}}mu-mu{21}}zosindikiza zakuda za zochitika zausiku, mtundu wa malonda sangathe kugwira ntchito modalirika.
Mukakonzeka kuyang'ana pulojekiti, chinthu choyamba choyeretsera ndikufananiza chip ndi kutseka kwa nsanja yanu, kenako perekani mtengo wa njira yosindikizirayo motsutsana ndi momwe mumavalira. MuthaSakatulani gulu lonse la RFID wristbandkufananiza mafomu, kapena kutenga mawonekedwe athunthu ndi athuOEM/ODM gulu; mwanjira iliyonse, bweretsani zomwe mukufuna papulatifomu yanu pazokambirana. Tsatanetsatane imodziyo imachotsa chiwopsezo chochuluka kuchokera ku dongosolo lazamba la RFID pamanja lisanayambe.
FAQ
Q: Kodi ma wristbands a RFID amatha kugwiritsidwanso ntchito?
Yankho: Zimatengera kutsekedwa: njira imodzi-yotsekera mbiya imakhala imodzi-ntchito komanso yosatha-kutumiza, pomwe loko yotsetsereka imatha kusonkhanitsidwa ndikutulutsidwanso.
Q: Ndi njira iti yosindikizira yomwe ili yabwino pamawondo a nsalu za RFID?
Yankho: Wolukidwa amapaka kapangidwe kake ndi tagi munsaluyo kuti ikhale yolimba kwambiri; dye-sublimation imapereka{1}zojambula zamitundu yonse koma nthawi zambiri zimadalira slider yowonekera.
Q: Kodi chip ndi ma frequency otani omwe ma wristband a nsalu a RFID ayenera kugwiritsa ntchito?
A: 13.56 MHz HF/NFC (monga NTAG213 kapena DESFire) ndiyokhazikika chifukwa imawerengedwa mokhulupirika motsutsana ndi thupi, pomwe UHF imakonda kutsika, ndipo chip chenichenicho chiyenera kufanana ndi mwayi wanu kapena nsanja yolipira.
Q: Kodi kuchuluka kwa mayitanitsa ocheperako ndi nthawi yotsogolera ndi yotani pa kuyitanitsa kochuluka?
A: Mapangidwe a makonda amayamba pazidutswa 100-500, ndi zitsanzo m'masiku 3-5 ndipo amapangidwa mochulukira pakadutsa masiku 15-30 chivomerezo cha zojambulajambula.
Tumizani kufufuza

