Maonedwe: 1 Wolemba: Mkonzi Wosindikiza Nthawi: 2025-06-12. Tsamba
Kusankha zoyenerera za chibayo ndikofunikira kwambiri. Zoyenera zimasunga dongosolo lanu bwino komanso motetezeka. Amaletsanso mavuto ngati mpweya. Dipatimenti ya US ya Mphamvu imanena kuti mafakitale atataya 30% mpaka 35% ya mpweya kuchokera kutayikira. Kukonza izi ndi zowonjezera zapamwamba kumawonjezera magwiridwe antchito. Mukasankha zoyenerera za chibayo, onani zinthu monga mphamvu zakuthupi, kukana dzimbiri, ndi mtengo. Njirayi imakuthandizani kusankha njira yabwino kwambiri yosinthira dongosolo lanu.
Sankhani zolimba za chibayo zochokera komwe adzagwiritsidwe ntchito. Ganizirani za kutentha, madzi, ndi mankhwala oyimirira dzimbiri ndikuwapangitsa kukhala okhazikika.
Onetsetsani kuti zolimba zimafanana ndi zovuta za dongosolo lanu. Zoyenera zimagwira bwino ntchito komanso kuyimitsa mitengo yotsika mtengo.
Nthawi zonse onani ngati mabatani ndi ulusi wokwanira palimodzi. Kugwiritsa ntchito masikono oyenera kupewa kutaya ndikupangitsa kuti dongosolo liziyenda bwino.
Sankhani zokwanira zapamwamba ndi zitsimikiziro. Zoyenera zotsimikizika zitha kuwononga ndalama zambiri koma sungani ndalama zokonzanso ndikugwira ntchito bwino.
Ganizirani za mtengo wautali, osati mtengo chabe. Makhalidwe olimba amafunikira kukonza pang'ono ndikusunga mphamvu, kupereka mtengo wabwino.
Malo ogwirira ntchito
Malo omwe mphamvu yanu ya chibayo imagwira ntchito kwambiri. Zinthu ngati kutentha, chinyezi, ndi mankhwala zimatha kukhudza zowonjezera.
Zoyenera zimayenera kusindikiza mwamphamvu kuti makina aziyenda bwino.
Zomasulira kapena zolakwika zimatha kuyambitsa mpweya komanso kutayika.
Zipangizo ngati nickel ndi mkuwa bwino bwino m'malo onyowa kapena opweteka. Amatha kukana dzimbiri ndikukhalabe olimba.
Mwachitsanzo, zolumikizira zophatikizira zopangidwa ndi zida zolimba ndizopambana kwa machitidwe mu kusintha malo. Kuganiza za zinthuzi kumakuthandizani kusankha zinthu zomwe zimakhazikika nthawi yayitali ndipo zimafunikira kukonza pang'ono.
Kudziwa kukakamiza kwa mpweya wanu komanso zosowa zotuluka ndizofunikira kwambiri. Makina a Pneumatic mphamvu yochokera pa mpweya . Kupanikizika kwa mpweya komanso kutuluka kumakhudza momwe dongosololi likugwirira ntchito.
Compressor mugwiritsidwe ntchito zimatengera kukula kwagalimoto:
Motors pakati pa 10 ndi 100 kw ndi 40% mpaka 60% yothandiza.
Motors zopitilira 100 kw ndi 51% mpaka 70% yothandiza.
Sankhani zowonjezera zomwe zimakhudza kukakamizidwa kwa dongosolo lanu komanso zosowa zotuluka. Zolimbitsa thupi zomwe zimalepheretsa kuvulaza kwamphamvu. Zolimbitsa thupi zambiri zimapangitsa zinthu kuyenda bwino. Nthawi zonse muzigwirizana ndi zokwanira ku dongosolo lanu kuti musunge mphamvu.
Zofananira ndi ulusi ndi zingwe ndi kiyi kuti muimitse kutaya ndikusunga dongosolo. Zigawo zolakwika zimatha kuyambitsa mavuto komanso magwiridwe otsika.
Chuma | chomwe chikutanthauza |
---|---|
Mtundu wa zolimbitsa thupi | Kukankha-kulumikizana ndi zopindika zolumikizidwa ndi zosowa zosiyanasiyana. |
Kugwirizana Kwa Zinthu Zachitukuko | Zoyenera ndi ma tubest ziyenera kuthana ndi mikhalidwe popanda kuphwanya. |
Kukula kwa tube | Makonda ofananira amasiya kutayikira ndikusunga dongosolo. |
Zofunikira | Zoyenera ziyenera kulola kuti mpweya wokwanira kupewa. |
Zochitika Zachilengedwe | Kutentha ndi chinyezi kumakhudza zinthu zomwe mungagwiritse ntchito. |
Kusuntha Kukhazikitsa | Zovala zolumikizira mwachangu zimayambitsa kukhazikitsa ndikukonzanso mwachangu. |
Zofananira ulusi ndizofunikanso . Zingwe zowongoka zimafunikira tepi kapena zokutira ku chisindikizo. Zingwe zopondapondani zolemitsa dothi kuti lisalowe. Miyezo monga nPT ndipo BSP imathandizira kulumikizana kwambiri. Nthawi zonse muziyang'ana mtundu ndi kukula musanagwiritse ntchito. Mwa kufanana ndi mababu ndi ulusi, mutha kunyamula zotsala zomwe zimapangitsa kuti makina anu azigwira bwino ntchito komanso yatha.
Kukhazikika ndi Mphamvu
Zinthu za zoyenera za chibayo zimakhudza momwe aliri olimba. Zinc, chitsulo, ndipo mkuwa uliwonse umakhala ndi zinthu zapadera zogwiritsira ntchito zosiyanasiyana.
Zinc: Zoyenera zamic ndizopepuka koma zosalimba kwambiri. Amatha kusweka pansi pa katundu wolemera kapena kukakamizidwa kwambiri. Komabe, kunenepa kwawo kovuta kumakhala kothandiza pamadongosolo olemetsa.
Chitsulo: zolimbitsa zitsulo ndizolimba kwambiri ndikugwira bwino katundu. Ndiabwino kwa mafakitale a mafakitale koma imatha kukhala yopanda mphamvu. Dzimbiri limafooketsa chitsulo.
Brass: Zoyenera zamkuwa ndizolimba kwambiri komanso zolimba. Amapewa kuwerama ndikukhala olimba pansi pa kukakamizidwa kwambiri. Kuyesedwa kumawonetsa kapangidwe ka mkuwa kumapangitsa kuti ikhale yolimba kuposa zinc kapena chitsulo.
Kutentha kumakhudzanso zinthuzi. Brass imakhala yamphamvu ngakhale kutentha kwambiri kapena kuzizira. Ganizirani za dongosolo lanu la dongosolo lanu kunyamula zinthu zoyenera kuti zikhale zolimba.
Kutsutsana kwa kuphukira kumawonetsa momwe zinthu zimapewera dzimbiri kapena kuwonongeka. Izi ndizofunikira pakukwanira m'malo olimba.
Zizindikiro za zinc zimapanga chosanjikiza chomwe chimagwira ntchito modekha. Koma mawonekedwe awa amavala zigawo za acidic kapena zovuta. Zoyenera za dzimbiri mosakhazikika pokhapokha zitakhala zouma, kotero sizabwino m'malo onyowa kapena olemera.
Zoyenera za Brass zimakana kutengera zabwino kwambiri. Popita nthawi, mkuwa umapanga zachilengedwe zomwe zimateteza. Izi zimapangitsa mkuwa kukhala wangwiro pazovuta. Kuyesedwa kumatsimikizira mkuwa ndi zitsulo zina zimapangitsa dzimbiri kuposa zinc kapena chitsulo.
Ngati dongosolo lanu likukumana ndi zovuta, mkuwa ndiye chisankho chabwino kwambiri. Zinc imagwira ntchito mofatsa, koma chitsulo chimafunikira chisamaliro chowonjezera kupewa dzimbiri.
Khalani ndi | chitsulo | chamkuwa |
---|---|---|
Chithandizo cha Prossion | Woteteza | Patina yachilengedwe |
Malo ofatsa | Imagwira bwino | Chabwino |
Malo okhala | Amafunikira zokutira | Cholimba kwambiri |
Acid / alkaline kuwonekera | Amafoola nthawi | Amakhala olimba |
Mtengo wa zoukira zimatengera nkhaniyo. Zinc, chitsulo, ndipo mkuwa umasiyanasiyana mtengo ndi magwiridwe antchito.
Zinc: Zoyenera za zinc ndiye njira yotsika mtengo kwambiri. Ndiwabwino kuti azigwiritsa ntchito ndalama zochepa koma angafunikire kusintha posachedwa.
Chitsulo: Zovala zachitsulo zimawononga zoposa zinc koma zimakhala zamphamvu. Ndiwofunika mtengo wa makina olemera. Komabe, kupewa dzimbiri kumawonjezera mtengo.
Brass: Zoyenera zamkuwa ndizokwera mtengo kwambiri. Mtengo wawo wokwera umawonetsa nyonga yawo, kukana kwa dzimbiri, ndi moyo wautali. Amasunga ndalama pakapita nthawi.
Sankhani kutengera ndalama zanu ndi dongosolo. Zinc ndi yabwino pakugwiritsa ntchito kuwala. Chitsulo chimathira madongosolo olemera koma amafunikira kutetezedwa ndi dzimbiri. Brass imawononga kwambiri koma imapereka kudalirika kwabwino komanso kukhazikika.
Kutola zinthu zoyenera za chibayo kumadalira komwe kumagwiritsidwa ntchito. Zinthu zilizonse zimakhala ndi mawonekedwe apadera a ntchito zina. Kudziwa izi kumakuthandizani kusankha bwino kwambiri pa kachitidwe kanu.
Zipangizo zosiyanasiyana zimagwira ntchito bwino m'malo ena. Nayi chitsogozo chosavuta:
zoyenerera zinthu | zomwe | zimagwiritsidwa ntchito bwino |
---|---|---|
Mchira wa Nickel | Olimba, okhazikika | Makina a General, Makina A Fakole |
316l osapanga dzimbiri | Amakana dzimbiri, zaukhondo, komanso zolimba kwambiri | Mafakitale azakudya, zida zamankhwala, madera am'madzi |
Njira | Kuwala, kugwadira, ndikusinthanso Mankhwala | Zipangizo zonyamula, makina owala |
Zoyenera kuzimiririka za nickel ndizofala m'dzikoli. Amakhala olimba ndipo amagwira bwino ntchito. Zoyenera izi ndizabwino kwa mafakitale a fakitale omwe akufunika kulimba.
Pazinthu zosokoneza bongo, 316l osapanga dzimbiri ndiye njira yabwino kwambiri. Ndi dzimbiri ndipo limakhala lalitali, ndikupangitsa kuti ikhale yabwino chakudya, mankhwala azachipatala, kapena am'madzi. Mphamvu zake zoyera zimakwaniritsa malamulo otetezeka.
Ngati mukufuna zopepuka komanso zosinthika, matebulo ndi abwino. Ndiosavuta kugwiritsa ntchito ndi kuyerekezera makina owoneka bwino kapena opepuka. Kusunga kwa mankhwala kumapangitsa kuti ikhale yothandiza kwambiri.
Ganizirani izi posankha zoyenerera:
Zachilengedwe: chonyowa, otentha, kapena malo osowa omwe amafunikira chitsulo chosapanga dzimbiri kapena mkuwa.
Makina Ofunika: Maganizo apamwamba amafunikira zida zamphamvu ngati mkuwa. Makina opepuka amachita bwino ndi usitepolymer.
Kukonza: Zipangizo monga matesalill ndizosavuta kukhazikitsa ndikusintha.
Langizo: Nthawi zonse muzigwirizana ndi zomwe zikuchitika. Izi zimapangitsa kuti zizigwira ntchito bwino ndikupewa mavuto.
Mwa kudziwa zomwe zinthu zilizonse zimakhala bwino kwambiri, mutha kunyamula zotungira zomwe zimapangitsa kuti makina anu azikhala nthawi yayitali ndikugwira ntchito bwino.
Kufananira ndi ma punratic tortings ku kachitidwe kanu ndikofunikira kwambiri. Choyamba, onani mikhalidwe ya dongosolo lanu ngati kupanikizika, kutuluka, ndi kutentha. Zoyenera ziyenera samalani kwambiri kuti musaswe. Ngati dongosolo lanu likapanikizika kapena kutentha kwa kutentha, sankhani zolimba pazomwe izi.
Nawa maupangiri osavuta ogwirizana:
Siyani malo ozungulira magetsi kuti akonzekere ndi kutuluka kosalala.
Gwiritsani ntchito zida zomwe zimagwira ntchito ndi mpweya wa dongosolo lanu ndi kutentha kwanu.
Sankhani zowonjezera zomwe zimapangitsa mpweya kuyenda momasuka popanda kutaya kutaya.
Tsatirani malamulo otetezedwa kwa mpweya wabwino , makamaka m'magulu okhudzana ndi chakudya.
Kuti muwone kulumikizana, kuyeza ulusi ndi ma calipers ndi phula ndi mawonekedwe. Yerekezerani manambala awa ndi kukula kwamphamvu. Nthawi zonse sankhani zoyenerera zomwe zimagwirizana ndi dongosolo lanu kuti mupewe mavuto kapena kuwonongeka.
Zoyenera kukhazikitsa njira zothandizira nthawi yayitali. Sankhani zoyenerera zomwe ndizosavuta kukhazikitsa ndikukonza. Zowonjezera zolumikizira zolumikizira zimapangitsa kukhazikitsa mwachangu ndikuchepetsa nthawi yokonza.
Macheke pafupipafupi amasunga kachitidwe kamene kamayenda bwino. Yang'anani mpweya wopota ndikuyang'ana kulumikizana. Zosefera zosefukira nthawi zambiri zimapangitsa mpweya kuyenda bwino. Kutola zoyenerera zomwe ndizosavuta kukhazikitsa ndikusunga ndalama ndikuyika moyo wadongosolo.
Mukamatola zoyenerera za chibayo, musangoyang'ana mtengo. Ndalama zazitali zimatha kukhudza bajeti yanu ndi kachitidwe ka dongosolo. Kuyeza kotsika mtengo tsopano kungawonongenso pambuyo pake chifukwa chokonzanso, m'malo mwake, kapena kuwononga mphamvu.
Mphamvu zakuthupi
zolimba ngati mkuwa zimawononga ndalama zambiri koma kukhazikika nthawi yayitali. Brass imaphwanya ndikuvala. Zinc ndi wotsika mtengo koma angafunike kubwezeretsa nthawi zambiri m'malo ovuta. Chitsulo ndi champhamvu koma chimafunikira kutetezedwa ndi dzimbiri, komwe kumawonjezera ndalama.
Mphamvu
Zoyipa Zoyipa Zitha Kutulutsa Ndege ndi Kutaya Mphamvu. Dipatimenti yaku US imati mpweya wabwino umawononga mpaka 30% ya mphamvu. Kugwiritsa ntchito zabwino, zolimbitsa zonyansa zimasunga mphamvu zogulira mphamvu.
Zoyenera kukonza mosavuta
zomwe ndizosavuta kukhazikitsa nthawi ndi ndalama. Zowongolera zolumikizira zolumikizira zimafulumira kukhazikitsa ndikusintha. Zoyenera zotsimikizika zimaswa nthawi zambiri, zimafunikira kukonza kochepa.
Malangizo: Kuwononga ndalama zambiri pazinthu zabwino tsopano kumasunga ndalama pambuyo pake. Zimachepetsa mphamvu, kukonza ndalama, komanso nthawi yopuma.
Yabwino | Kuyamba | Kubwezeretsa Mtengo | Wotsika | mtengo |
---|---|---|---|---|
Zinki | Pansi | M'mwamba | Wamfupi | Wasaizi |
Chitsulo | Wapakati | Wapakati | Lalitali (ngati amasamala) | Abwino |
Chitsulo | M'mwamba | Pansi | Motalika kwambiri | Chabwino |
Mwa kuganizira mfundo izi, mutha kusankha bwino. Yang'anani pa zabwino komanso kuchita bwino kuti muchepetse ndalama zazitali ndikusintha magwiridwe antchito anu.
Osaganizira za chilengedwe zimatha kuyambitsa mavuto akulu. Kutentha, chinyezi, ndi mankhwala zimakhudza momwe ntchito yoyezera imagwirira ntchito. Mwachitsanzo, kugwiritsa ntchito zolimbitsa zinc m'malo onyowa kungayambitse dzimbiri. Dzimbiri limafooketsa dongosololo ndipo limafunikira kukonzanso.
Nthawi zonse muziyang'ana momwe dongosolo lanu likukumana. M'malo onyowa, mkuwa kapena zotungira zitsulo zosapanga dzimbiri zimakhala bwino. Amatha kukanga dzimbiri komanso kukhazikika nthawi yayitali. Kwa malo otentha kwambiri kapena ozizira, mkuwa umakhala wamphamvu komanso wolimba. Kunyalanyaza izi kumatha kubweretsa kusungunuka pafupipafupi komanso ndalama zapamwamba.
Malangizo: Gwirizanani ndi zofunikira pa chilengedwe chanu. Izi zimasunga zodalirika ndipo zimachepetsa nthawi.
Zinthu zonse zoyenera zili ndi zabwino zake komanso zofuna. Kutola wolakwika kumatha kuvulaza dongosolo lanu. Mwachitsanzo, zolimbitsa thupi za zinc ndizopepuka komanso zotsika mtengo koma zosalimba zolimbitsa thupi. Kukhazikika kwa chitsulo ndi champhamvu koma kumafunikira kutetezedwa ndi dzimbiri, komwe kumawonjezera ntchito. Zoyenera za Brass zimawononga ndalama zambiri koma zimakhala zolimba ndikupewa dzimbiri.
Ganizirani zomwe zimafunikira dongosolo lanu. Makina osokoneza bongo amafunikira zida zamphamvu ngati mkuwa. Zogwira ntchito zopepuka, zinki zitha kugwira ntchito bwino. Kunyalanyaza zinthu zakuthupi kumatha kuchititsa kutayikira, kusakwanira, kapena kulephera kwa dongosolo.
Chidziwitso: Kudziwa zakukhosi kwa zinthu kumakuthandizani kusankha zoyenerera. Izi zimathandiza ndikuchepetsa mavuto.
Kutola zoyenerera chifukwa ndizotsika mtengo kungawonongere pambuyo pake. Zosankha zotsika mtengo ngati zinki zimatha msanga ndipo zimafunikira kusinthanso pafupipafupi. Izi zimawonjezera ndalama zobwezeretsa komanso nthawi yanthawi.
Zovala zotsika mtengo zimalephera m'mikhalidwe yovuta, imayambitsa kukonzanso.
Zovala zapamwamba kwambiri zimawononga ndalama zambiri koma zimakhala bwino ndikugwira ntchito bwino.
Kuwononga ndalama zambiri pamalipiro amapulumutsa ndalama pokonzanso kukonza.
Kusankha zabwino pamtengo kumapangitsa bwino magwiridwe antchito komanso ochepa. Kulipira zolimbitsa thupi zabwino kumasungira ndalama pakapita nthawi.
Chikumbutso: Zoyenera Zabwino Ndi Zoyenera Kugulitsa. Osadula ngodya kupulumutsa ndalama tsopano.
Osayang'ana ngati zolimbitsa thupi za chibayo zimafanana ndi dongosolo lanu zimatha kuyambitsa mavuto akulu. Zoyenera zokwanira zimatha kuyambitsa mpweya, kupota kutaya, kapena kusungunuka kachitidwe. Kugwirizana kumatanthauza zambiri kuposa kukula kofananira. Ndi za momwe zoyezera zimagwirira ntchito ndi zochitika za dongosolo lanu.
Mtundu wolakwika wa ulusi
ngati NPT (National Pipe) ndi BSP wodalirika (chitoliro cha Britain) ndi chosiyana. Kugwiritsa ntchito cholakwika kumatha kuyambitsa kulumikizana kapena kutayikira. Nthawi zonse muziyang'ana mtundu ndi kukula musanagwiritse ntchito.
Mavuto azachuma
zinthu zina sizikuyenda bwino ndi mipweya kapena zakumwa zina. Mwachitsanzo, zolimbitsa thupi za zinc zimatha dzimbiri m'malo onyowa, koma zolimba zamkuwa zimatsutsa chinyontho. Zovala zomwe zimagwirizana ndi zosowa zanu.
Kukakamizidwa ndi kutentha kumachepetsa
zolimbitsa thupi zimakhala ndi malire pokakamizidwa ndi kutentha. Pogwiritsa ntchito iwo kupitilira awa atha kuwalepheretsa. Nthawi zonse muziyang'ana zolondola zazoyenera kuti mugwirizane ndi zomwe mukufuna.
Yenitseni mosamala: Gwiritsani ntchito zida ngati ma calipers kuti muwone ulusi ndi phula. Yerekezerani izi ndi zazitali.
Tsatirani Malangizo Opanga: Werengani Datasheet kapena buku lazomwe zimagwirizana.
Yesani musanagwiritse ntchito kwathunthu: Pangani gawo laling'ono la kachitidwe kanu kuti muwone zovuta kapena zovuta.
Malangizo: Pangani mndandanda wogwirizana. Phatikizani mtundu wa ulusi, zakuthupi, ndi malire ovutikira. Gawo losavutayi lingaletse zolakwa zamtengo wapatali.
Mwa kutsimikiza kugwirizana, dongosolo lanu la chibayo limagwira bwino ntchito bwino komanso moyenera. Kudumpha izi kungayambitse kukonza ndalama kapena nthawi yopuma. Nthawi zonse chekeni musanamalize chisankho chanu.
Kutola zoyenerera za chibayo kumathandizira kuti dongosolo lanu lizigwira bwino ntchito komanso latha. Zoyenera za zinc ndizotsika mtengo komanso zabwino chifukwa cha ntchito zopepuka. Kukhazikika kwa chitsulo kumakhala kolimba komanso zabwino kwa machitidwe olemera ngati athandizidwe kuti asiye dzimbiri. Zoyenera za Brass ndizothandiza kwambiri chifukwa chopewa dzimbiri chifukwa chokhala nthawi yayitali.
Kugwiritsa ntchito zoyenerera bwino kumaperekanso nthawi ndi kuyesetsa panthawi yokhazikitsa. Mwachitsanzo, zolumikizira zolumikizira, mwachitsanzo, zitha kupulumutsa Kufikira 90% yantchito popeza palibe zida zofunika. Njira yokhazikika (kukula, kutentha, kugwiritsa ntchito, kupanikizika, kumatha, kuperekera zida zothandiza popewa zolephera zoyambirira ndikusunga dongosolo lanu.
Chofunikira | Chitsanzo |
---|---|
Kusunga Ndalama | Zogwirizanitsa-kuphatikizira kupulumutsa mpaka 90% ya ntchito yogwira ntchito. |
Kukhazikitsa mwachangu | Msonkhano wosavuta umachepetsa mtengo wokwanira. |
Njira Yokhazikika | Amathandizira kusankha zoyenerera ndipo zimalepheretsa mavuto oyamba. |
Mwa kumvetsetsa zosowa zanu za dongosolo lanu ndikupewa zolakwa, mutha kusankha zoyenerera zomwe zimathandizira kugwira ntchito ndikudula mtengo wautali.
Maudindo a chibayo amalumikizana ndi ziwalo zoyendetsedwa ndi mpweya. Amathandizira kuwongolera mpweya, kukakamizidwa, ndi kusindikiza. Zoyenerazi zimagwiritsidwa ntchito m'mafakitale, kukonza magalimoto, ndi kupanga zakudya kuti azitha kuyendetsa zida, makina, kapena opereka.
Ganizirani za chilengedwe chanu, kukakamizidwa, ndi kutentha. Brass ndiyabwino pakuyimitsa dzimbiri, chitsulo ndi champhamvu, ndipo zinki ndizotsika mtengo chifukwa cha ntchito zopepuka. Sankhani zomwe zikugwirizana ndi zosowa zanu.
Mutha, koma si lingaliro labwino kwambiri. Zipangizo zosiyanasiyana zitha kuchitika kapena kutopa. Mwachitsanzo, mkuwa ndi zinc amatha nthawi yayitali m'malo onyowa. Ndikwabwino kugwiritsa ntchito mtundu umodzi womwe mungathe.
Chongani zoyenerera miyezi 3-6. Yang'anani kutayikira, dzimbiri, kapena kuwonongeka. Macheke pafupipafupi amasiya mavuto ndikusunga ndalama pazokonzanso. Mangani zigawo zomasuka ndikusintha osweka osweka nthawi yomweyo.
Inde, zolumikizira zolumikizirana zolumikizira zimagwira ntchito bwino pamachitidwe ambiri. Ndiosavuta kukhazikitsa ndikusunga nthawi. Ingotsimikizirani kuti angathe kuthana ndi zovuta za dongosolo lanu komanso kutentha kwa zotsatira zabwino.
Malangizo: Tsatirani malangizo a wopanga kukhazikitsa ndikusunga zoyenerera. Izi zimawathandiza nthawi yayitali.
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