Matumba osonkhanitsira fumbi ndi zinthu zogwiritsidwa ntchito m'mafakitale zomwe zimayikidwa pa thumba linalake, fumbi linalake, ndi kutentha kwina kogwirira ntchito. Si zinthu zogulitsa. Wogula amene amayitanitsa thumba lomwelo pa mzere uliwonse, m'mafakitale ambiri, amalipira thumba lolakwika.
Grey Whale imapereka matumba osefera kuti achotse fumbi la mafakitale — osonkhanitsa matumba, osonkhanitsa ma pulse-jet, ndi makina a OEM mu simenti, chitsulo, phula, mankhwala, magetsi, ndi mafakitale ena akuluakulu. Bukuli lalembedwa kwa wogula amene ayenera kufotokoza, osati wogula amene amangofuna mtengo.
Chifukwa Chake Matumba Osefera Opangidwa Mwamakonda Amakampani, Osati Ogulitsa Mwachizolowezi
Chikwama choyeretsera chokhazikika chimakhala ndi kukula koyenera khola la generic, ndipo chimayikidwa muyeso wa fumbi la generic. Mu khola la matumba la mafakitale, khola, nyumba, makina oyeretsera, ndi fumbi zonse zimakhala zapadera.
Ntchito ya specification yapadera ndi kulumikiza zinthu zinayi: kutentha kwa ntchito, fumbi ndi mpweya, mawonekedwe a khola, ndi njira yoyeretsera. Zinthu zinayizi zikagwirizana, thumba limakhala ndi nthawi yayitali yogwirira ntchito, kutulutsa fumbi koyera, komanso kugwiritsa ntchito mpweya wokhazikika. Chilichonse mwa zinayizi chili ndi nambala kumbuyo kwake, ndipo wogulitsa angalimbikitse zinthu pokhapokha manambalawo akakhala patebulo.
Mapu Oyenera Ogwirira Ntchito Zamakampani
Wogula asanalembe RFQ ya matumba osonkhanitsira fumbi, mikhalidwe yogwirira ntchito iyenera kukhala papepala. Gome ili m'munsimu likuwonetsa mikhalidwe isanu ndi iwiri yomwe imayendetsa kusankha kwa zinthu ndi zofunikira, zomwe chilichonse chimakhudza m'thumba, zomwe wogula ayenera kutsimikizira, ndi chiopsezo cha kulephera ngati vutoli linyalanyazidwa.
| Zochita | Mmene Zimakhudzira | Wogula Ayenera Kutsimikizira | Chiwopsezo Ngati Chinyalanyazidwa |
| Kutentha kwa ntchito | Kusankha zinthu (banja la chipinda / lapakati / kutentha kwambiri), kusankha ulusi, chithandizo cha pamwamba | Kutentha kogwiritsidwa ntchito mosalekeza, kutentha kwakukulu (mwachangu), kupezeka kwa zipsera | Zinthuzo zimawonongeka, thumba limachepa, msoko umalephera, moyo umachepa kuyambira zaka mpaka miyezi |
| Mtundu wa fumbi ndi katundu | Liwiro la kusefera, kusefera pamwamba poyerekeza ndi kuya, kutha kwa pamwamba (kowotchedwa, kopakidwa glaze, nembanemba ya PTFE) | Kugawa kwa tinthu tating'onoting'ono, kuchuluka kwa fumbi (g/m³), kukhala kolimba kapena kolimba | Keke yosefera siituluka pa kugunda kwa mtima, kukwera kwa mphamvu zosiyanasiyana, kapena kuyenda kwa dongosolo |
| Chinyezi ndi chinyezi | Kukana kwa hydrolysis, kusankha kumaliza pamwamba, kapangidwe kotsutsana ndi condensation | Malo ouma, kupezeka kwa madzi opopera, nthawi youma/yonyowa | Ma blinds a thumba okhala ndi chinyezi, ma hydrolyses azinthu (makamaka polyester, acrylic, PPS) |
| Mpweya wa mankhwala / asidi | Kusankha ulusi, kusankha scrim, chithandizo pambuyo pake (PTFE impregnation, asidi-resistant finish) | SO₂, NOx, HF, HCl, kuchuluka kwa chlorine; pH ya condensate | Ulusi ukagwidwa, thumba limakhala losweka, lolephera kugwira ntchito msanga; HF imafuna ulusi wosakaniza wapadera |
| Kuchuluka kwa mpweya ndi liwiro losefera | M'mimba mwake mwa thumba, kuchuluka kwa thumba, malo onse osefera | Kugwira ntchito kwenikweni m³/h poyerekeza ndi dzina la m³/h, liwiro losefera m/min | Liwiro lokwera kwambiri → kuphimba khungu mwachangu; liwiro lotsika kwambiri → malo osagwiritsidwa ntchito mokwanira, dongosolo lalikulu kuposa momwe likufunikira |
| Njira yoyeretsera (pulse-jet, reverse air, shaker) | Kulemera kwa thumba, kuchuluka kwa felt, kapangidwe ka msoko, kuuma kwa khola | Kuthamanga kwa kuyeretsa, kuchuluka kwa kugunda kwa mtima, kuyeretsa pa intaneti/kunja kwa intaneti | Chikwama chawonongeka ndi mphamvu yoyeretsa; khola limapindika; msoko umalekanitsa; kutopa kwa khola |
| Mkhalidwe wa khola la zosefera | Kutuluka kwa chikwama ndi khola, kukhazikika kwa chikwama ndi khola, kutha kwa pamwamba pa khola | Chojambula cha khola, waya m'mimba mwake, mtunda wa mphete, malo a venturi, momwe dzimbiri lilili | Chikwama chimatha kugwedezeka ndi waya wa khola; khola limagwa; kugunda kwa mtima kosafanana; thumba limang'ambika pamwamba kapena pansi |
Banja la Zinthu: Chipinda, Pakati, Kutentha Kwambiri, ndi Hydrogen Fluoride
Matumba a mafakitale amagwira ntchito pawindo lalikulu la kutentha, ndipo banja la zinthu ndilo mfundo yoyamba yofunika kwambiri. Kugwiritsa ntchito kutentha kwa chipinda nthawi zambiri kumakhala pansi pa 130 °C, kutentha kwapakati kumakhala pakati pa 150 mpaka 180 °C, ndipo kutentha kwakukulu kumakhala pakati pa 180 mpaka 250 °C. Yang'anani matumba athu osonkhanitsira fumbi omwe amapangidwa mwapadera pa kutentha kulikonse.
Polyester imagwira ntchito bwino kutentha kwa chipinda ndipo imataya mphamvu zake kuposa 150 °C. Kuti mudziwe zambiri za thumba la fyuluta la polyester felt , onani mndandanda wathu wazinthu. PPS imagwira ntchito ndi mpweya woipa koma imakhudzidwa ndi chinyezi ndi asidi.
Tebulo Lofotokozera Thumba Losefera Mwamakonda
Akamaliza kukonza zinthu zomwe zikugwira ntchito komanso banja la zinthu zomwe zikugwiritsidwa ntchito, wogula ayenerabe kusankha thumba lokha. Kukula kwake, kutalika kwake, pamwamba, pansi pake, msoko, ndi mapeto ake ndi zinthu zisanu ndi chimodzi zomwe zimapangitsa kuti thumba ligwirizane ndi khola linalake m'nyumba inayake.
| Specification Chinthu | Chifukwa Chiyani Kuli Kofunika | Zofunikira Zokhudza Wogula | Zotsatira za Wopereka |
| Chikwama cha m'mimba mwake | Imakhazikitsa malo oyeretsera khola ndi malo osefera pa thumba lililonse | Chipinda chakunja cha khola; kalasi yolekerera | Kuchuluka kwa thumba ± kulolerana; kuyang'ana kuzungulira |
| Thumba kutalika | Zimakhudza kuyeretsa kwa pulse-jet ndi kuchotsa hopper | Kutalika kwa khola; kutalika kwa chubu cha nyumba; kuya kwa hopper | Kutalika kwa thumba ± kulolerana; cholembera chotambasula |
| Kapangidwe kapamwamba | Amagwira thumba lomwe lili pa chubu; amaletsa kutuluka kwa mpweya pa chisindikizo | Kukula kwa dzenje la pepala la chubu; kalembedwe ka khola (venturi, pamwamba potsekedwa); mtundu wapamwamba (cholumikizira cholumikizira, mphete, flange) | Mtundu wa pamwamba ndi miyeso; ma gasket kapena mphete ngati pakufunika |
| Kapangidwe ka pansi | Kapangidwe ka pansi kamakhudza kuyenda kwa kugunda kwa mtima ndi kutsika kwa fumbi | Geometry ya Hopper; mtundu wa pansi (wozungulira, wozungulira, wopangidwa mwamakonda) | Kapangidwe ka pansi; kulimbitsa chala ngati pakufunika |
| Msoko ndi kusoka | Msoko ndiye malo ofala kwambiri olephera | Kuwongolera kusefera (mkati-kunja / kunja-mkati); kuyeretsa mphamvu | Mtundu wa kusoka (maloko a mizere itatu, unyolo); ulusi wa PTFE wa kutentha kwambiri; chivundikiro cha msoko ngati pakufunika |
| Pamapeto pake | Amalamulira kutulutsa fumbi ndi kupanga makeke | Liwiro la kusefera; mtundu wa fumbi; kuchuluka kwa kuyeretsa | Yophikidwa, yopakidwa glaze, yokonzedwa, nembanemba ya PTFE, kapena PTFE impregnation — yosankhidwa kuti igwirizane ndi fumbi ndi kuyeretsa |
| Zofunika | Banja la zinthu ndi kulemera kwake zimatsimikizira kutentha ndi moyo wake | Kutentha kosalekeza komanso nthawi yomweyo; kuwonetsedwa ndi mankhwala; katundu wamakina | Kusakaniza kwa ulusi wapadera, kulemera (g/m²), kulola mpweya kulowa (L/m²·s), mphamvu yokoka (N/5 cm) |
| Kugwirizana kwa khola | Chikwama chili bwino ngati khola lomwe chimakhalapo | Chojambula cha khola kapena miyeso; waya m'mimba mwake; malo ozungulira; venturi; momwe dzimbiri lilili | Chitsimikizo cha kuchotsedwa kwa thumba ndi khola, cholembera choyenerera, ndi kusintha kulikonse kofunikira kwa khola |
Kuyenerera kwa Khola Losefera: Mafotokozedwe Obisika
Kwa ogulitsa matumba osonkhanitsira fumbi ofanana , Ngati thumba lili lomasuka pa khola, limapindika ndipo keke ya fumbi imapangidwa mosagwirizana. Khola lomwe silili lozungulira kapena losatalika ndi 1-2 peresenti lingathe kusintha malo obisika a thumba ndi khola ndikufupikitsa nthawi ya thumba.
Chikalata cha thumba losonkhanitsira fumbi chiyenera kukhala ndi chithunzi cha khola, kapena kukula kwa khola, kukula kwa waya, malo ozungulira, ndi malo a venturi. Khola la thumba lomwe linapangidwira khola limodzi ndipo likubwezeretsedwanso ku khola lina ndi chimodzi mwa zifukwa zomwe zimayambitsa kulephera kwa thumba msanga m'mafakitale.
Zambiri za Pulse-Jet ndi Baghouse System zomwe Wogula Ayenera Kupereka
Wogula amene amatumiza nambala ya gawo ndi mtengo womwe akufuna kugula akupempha wogulitsayo kuti aganizire. Wogulitsayo amakakamizika kuwerengera, ndipo kufotokozera kwa thumba lake kungakhale kovuta kuphonya momwe ntchito ikuyendera. RFQ yochepa imachedwetsanso kuwunikanso kwa uinjiniya, komwe kumachedwetsa chitsanzo, komwe kumachedwetsa kupanga - ndipo thumba lobwezeretsanso la masabata asanu ndi limodzi limakhala thumba lobwezeretsanso la masabata khumi.
Mfundo zimenezi zimayendetsa zisankho zina zonse — banja la zinthu, kulemera, mapeto, msoko, pamwamba, ndi pansi.
Momwe Wogulitsa Ayenera Kulimbikitsira Zinthu
Wogulitsa matumba abwino osinthira zinthu m'mafakitale sapereka malangizo pa zinthu chifukwa kabukhu kali ndi malangizowo. Malangizowo ndi zotsatira za unyolo: mikhalidwe yogwirira ntchito → banja la zinthu → kusakaniza kwa ulusi wapadera → kulemera ndi kumaliza → mfundo za thumba. Malangizowo ayeneranso kulembedwa kuti injiniya wotsatira - kapena fakitale yotsatira - athe kuwona chifukwa chake zinthuzo zinasankhidwa motsutsana ndi mawonekedwe enieni ogwirira ntchito.
Kwa wogula, mayeso ndi osavuta: funsani wogulitsa chifukwa chake chipangizochi, chifukwa chake kulemera kwake, chifukwa chake chimalizirochi, ndi chifukwa chake msokowu. Wogulitsayo ayenera kuyankha chifukwa chilichonse mu chiganizo chimodzi cholumikizidwa ndi nambala yogwirira ntchito. Wogula ayenera kuyembekezera kuti yankholo ligwirizane ndi momwe ntchito ilili papepala, osati kuchokera ku kabukhu kofanana.
Khadi la Chigoli cha RFQ Completeness
RFQ yaifupi imapanga kukambirana kwakutali. Khadi la zigoli lomwe lili pansipa limatchula zinthu zisanu ndi ziwiri zomwe ziyenera kukhala mu thumba lililonse la fyuluta ya mafakitale, zomwe zimawerengedwa ngati yankho lathunthu, zomwe zimawerengedwa ngati zosakwanira, ndi zomwe wogula ayenera kuchita ngati deta ikusowa.
| Chinthu cha RFQ | Malizitsani Liti | Zosakwanira Pamene | Buyer Action |
| Mtundu wa fumbi | Chikwama cha mtundu wa chikwama, OEM, chiwerengero cha matumba, mtundu woyeretsera (pulse-jet, reverse air, shaker) | "Wosonkhanitsa fumbi" kapena "fyuluta" yokha ndi yomwe yanenedwa | Kokani dzina la pepala kapena buku la OEM; tsimikizirani kuyeretsa pa intaneti/kunja kwa intaneti |
| Kutentha kwa ntchito | Kupitirira °C ndi nthawi yomweyo, ndi malo oyezera | Nambala imodzi yopanda nkhani | Onjezani mbiri ya kutentha kwa sabata imodzi; onjezerani kuchuluka kwa ntchito zoyambira/zotseka |
| Fumbi ndi mpweya wopangidwa | Mtundu wa fumbi, kukula kwa tinthu, katundu (g/m³), chinyezi, mpweya wa key acid (SO₂, NOx, HF, HCl) | "Fumbi la mafakitale" losamveka bwino | Tumizani lipoti lofufuza fumbi; pa ntchito ya HF, tsimikizirani kuchuluka kwa HF mu gawo la mpweya |
| Kukula kwa galasi | M'mimba mwake, kutalika, mtundu wapamwamba, mtundu wa pansi, mtundu wa msoko | Nambala ya gawo lokha, kapena kukopera kuchokera ku chikwama china | Yesani thumba lomwe lilipo; yang'anani mozungulira khola ndi nyumbayo |
| Chithunzi cha khola losefera kapena miyeso | Chojambula chokhala ndi waya m'mimba mwake, mtunda wa mphete, malo a venturi, kulumikizana pamwamba | Palibe deta ya khola, kapena khola losiyana ndi lomwe likugwira ntchito | Kokani chojambula cha khola kuchokera ku OEM; ngati khola lazimiririka kapena silili bwino, konzani kusintha khola nthawi yomweyo. |
| Vuto lomwe lilipo kale la kulephera | Kufotokozera kwa njira yolephera (kuphimba maso, kung'amba, msoko, hydrolysis, kuukira kwa asidi), ndi zithunzi ngati zilipo | "Matumba sakhalitsa" opanda tsatanetsatane | Lembani vuto: liti likuyamba, kuti pa thumba, ndi kusintha komwe kwachitika posachedwapa |
| Tsiku losinthira cholinga | Tsiku lotha ntchito, kuchuluka kwa matumba, zenera loyika | Zosamveka bwino “posachedwa” kapena “mwamsanga” | Konzani thumba lobwezera kuti lisawonongeke; wogulitsa akhoza kukula malo opangira zinthu |
Manambala omwe Wogulitsa Sayenera Kulonjeza
Wogula mafakitale ayenera kusamala pamene wogulitsa matumba osungira zinthu akupereka chilichonse mwa izi popanda deta yeniyeni ya malo: nthawi yogwira ntchito yotsimikizika m'miyezi, kutsimikizika kwa kusefa bwino pamalo ogulitsira (makamaka 99.99% pa mzere wonse wazinthu), kutsimikizika kotsatira malamulo enaake okhudza chilengedwe, nthawi yotsimikizika yotumizira popanda kuwunika kwaukadaulo, kapena kunena kuti "kutentha kulikonse, fumbi lililonse, chomera chilichonse" sikofunikira.
Izi sizili zofanana ndi magawo aukadaulo — kulemera, kulola mpweya kulowa, mphamvu yokoka, kutentha — zomwe ndi zenizeni komanso zothandiza. Manambala amenewo amafotokoza chinthu china chake pansi pa mikhalidwe yeniyeni yoyesera. Komanso ndi manambala a momwe zinthu zilili, osati chitsimikizo cha momwe zinthu zilili, ndipo wogula ayenera kuwawerenga ngati poyambira, osati pomaliza.
Matumba Osefera Fumbi Osonkhanitsira Mwamakonda: Buku Lofotokozera Zamakampani 2Momwe Mungapewere Kuyika Chikwama Chimodzi Pazonse
Cholakwika chofala kwambiri mu ma RFQ a mafakitale ndikutenga tsamba limodzi lazinthu — mwachitsanzo, singano ya PTFE yokhala ndi chiŵerengero cha 99.99% patsamba, kapena chiŵerengero cha HF chotentha kwambiri chokhala ndi chiŵerengero chosalekeza cha 220–240 °C — ndikugwiritsa ntchito nambala imeneyo pa thumba lililonse la zosefera mu kabukhu. Magawo azinthuzi ndi deta yothandiza yofotokozera, koma amafotokoza chiŵerengero china chake pansi pa mikhalidwe yeniyeni yoyesera, osati banja lonse lazinthu.
Kuwerenga koyenera ndi: tsamba lililonse la malonda ndi mfundo imodzi. RFQ iyenera kumangidwa kuchokera ku mikhalidwe yogwirira ntchito (Gawo 3), kuchepetsedwa ndi banja la zinthu (Gawo 4), kufotokozedwa mwatsatanetsatane ndi tebulo lofotokozera (Gawo 5), kutsimikiziridwa ndi chojambula cha khola (Gawo 6), ndikuyesedwa motsutsana ndi khadi la chigoli la RFQ (Gawo 9).
Kutseka: Chidziwitso Ndi Chikalata Chogwira Ntchito
Chikalata chosungira fumbi chopangidwa mwapadera si chikalata chongochitika kamodzi kokha. Chimasinthidwa fumbi likasintha, kutentha kukasintha, khola latsopano likayikidwa, kapena thumba lomwe lilipo likalephera kale kuposa momwe limayembekezeredwa. Dongosolo loyamba ndi loyambira. Pa fakitale yamafakitale yomwe ili ndi ma thumba angapo, cholinga chake ndikusunga chinsinsi chimodzi chachikulu pa thumba lililonse, osati chidule chosiyana pa oda iliyonse. Dongosolo lalikulu ndi chidule; dongosolo ndi chitsanzo.
Wogula amene amaona kuti chikalatacho chili ndi tanthauzo lenileni — ndi wogulitsa amene amafunsa mafunso omwe amachisunga — akhoza kuthandizira kukhala ndi nthawi yayitali yogwiritsira ntchito fyuluta, mphamvu yosinthasintha yokhazikika, mavuto ochepa omwe angapeweke, komanso dongosolo lokonzekera bwino ngati zinthu zonse za dongosololi zafotokozedwa bwino.
Mphamvu Yopangira, Nthawi Yotsogolera, ndi Thandizo Pambuyo Pogulitsa
Kwa wogula mafakitale, mafunso otsatira pambuyo pa zofunikira nthawi zambiri amakhala mphamvu yopangira, nthawi yoyambira, ndi chithandizo chogulitsa pambuyo pogulitsa. Yankho loona mtima ndilakuti zonsezi zimadalira kukula kwa oda, zipangizo, kukula kwa thumba, kumalizidwa kwa pamwamba, ndi ndondomeko ya fakitale panthawi yomwe oda imayikidwa.
Grey Whale imagwira ntchito ziwiri zopangira.
Nthawi Yosinthira Ogulitsa, Osati Kungosintha Dongosolo
Kulephera kwa thumba si chifukwa nthawi zonse chosinthira ogulitsa, koma njira yolephera kwa thumba ndi yomweyi. Ngati wogulitsa yemweyo, wokhala ndi zofunikira zomwezo, m'nyumba yomweyi ya thumba, akupitiliza kupanga njira yofanana yolephera, vuto ndi la pamwamba pa thumba - kupeza zinthu, kufanana kwa felt, kukhazikika kwa msoko, kapena QA - ndipo yankho loyenera ndikuyeneretsa wogulitsa wachiwiri nthawi yomweyo, osati kupitiliza kuyitanitsa kuchokera koyamba. Kapangidwe kameneka kamatanthauza zofunikira zomwezo, fumbi lomwelo, ndi njira yofanana yolephera - imeneyo ndi vuto la wogulitsa, osati la thumba.
Kusinthana kwa ogulitsa ndi yankho loyenera pamene ogulitsa asiya kufunsa mafunso okhudza momwe zinthu zilili pa ntchito. Wogulitsa amene amalandira nambala ya gawo popanda kufunsa kutentha, fumbi, gasi, khola, ndi deta yoyeretsa akuona thumbalo ngati chinthu chogulitsidwa, ndipo wogula m'mafakitale amene amalipira ntchito yapadera sayenera kuvomereza zimenezo.
Mafunso Ofunsidwa Kawirikawiri (5)
1 Kodi matumba osungira fumbi opangidwa mwapadera ndi osiyana ndi matumba wamba?
Inde. Matumba okhazikika amapangidwa ndi kukula ndi kuyesedwa kuti agwirizane ndi fumbi la generic ndi khola la generic. Matumba opangidwa ndi mafakitale apadera amasankhidwa malinga ndi thumba la thumba linalake, fumbi linalake, kutentha kwapadera, ndi makina ena oyeretsera, ndipo kusiyana kumaonekera pa nthawi yogwira ntchito komanso momwe mpweya umayeretsera.
2 Ndi mfundo ziti zomwe ogula ayenera kutumiza asanayitanitse matumba osefera?
Chofunikira kwambiri ndi kutentha kogwirira ntchito (kopitilira komanso nthawi yomweyo), mtundu wa fumbi ndi katundu, kapangidwe ka mpweya, kuchuluka kwa mpweya weniweni, njira yoyeretsera, kukula kwa thumba, ndi kujambula kwa khola. Wogulitsa amene sapempha mfundo izi sakunena za oda yapadera; akunena za chinthu cha sheya pamtengo wapadera. Mtengo womangidwa pa nambala ya gawo ndi mtengo wa chinthu cha sheya womwe umaoneka ngati oda yapadera, ndipo malo opangira zinthu adzawonetsa kusiyana kumeneko.
3 Kodi thumba limodzi losefera limagwira ntchito pa kutentha konse kwa mafakitale?
Ayi. Banja lililonse la zinthu — polyester pa kutentha kwa chipinda, PPS ndi acrylic pa kutentha kwapakati, PTFE, P84, fiberglass, ndi Nomex pa kutentha kwakukulu — lili ndi kutentha kosiyana, kukana kwa mankhwala kosiyana, komanso kuyankhidwa kosiyana ndi chinyezi. Chikwama chomwe chimagwira ntchito mu gulu limodzi la kutentha sichigwira ntchito mu lina, ndipo wogulitsa ayenera kufotokoza chifukwa chake chinthu china chikugwirizana ndi gulu linalake, m'chiganizo chimodzi kapena ziwiri, motsutsana ndi nambala yeniyeni yogwirira ntchito.
4 N’chifukwa chiyani kukwanira kwa fyuluta ndikofunikira?
Chikwamacho chili bwino ngati khola. Chikwama chomasuka chimapindika ndipo keke ya fumbi imapangika mosagwirizana; thumba lolimba silingathe kutulutsa keke ya fumbi panthawi yoyeretsa; khola lokhala ndi dzimbiri kapena lopindika limadula thumbalo mkati.
5 Kodi wogulitsa thumba losefera mwamakonda angatsimikizire kuti mpweya woipa ukutsatira malamulo?
Ayi. Wogulitsa thumba losefera amatha kuthandizira kusankha zinthu ndi zofunikira, koma kutsatira malamulo okhudza kutulutsa mpweya kumadalira dongosolo lonse losonkhanitsira fumbi, momwe ntchito ikuyendera, kukonza, ndi malamulo am'deralo. Thumba ndi gawo limodzi mu dongosolo, ndipo chitsimikizo pa gawo limodzi si chitsimikizo pa dongosolo.
