Chifukwa Chake Kapangidwe ka Botolo Kopangidwa Mwapadera Kumatanthauza Mtundu wa Mafuta Onunkhira

Kukwera kwa mafuta onunkhira apadera kwenikweni ndi njira yotsutsana ndi kusinthasintha kwa zinthu zapamwamba. Wopanga mafuta onunkhira wodziyimira pawokha ku Lyon akapanga fungo lozungulira chinthu chimodzi - mwachitsanzo, sandalwood yakale yosowa kuchokera ku Mysore - nkhani yonse ya mtunduwo imazungulira pa kudzipereka ndi kudalirika. Botolo lamafuta wamba lingawononge nkhaniyi poyamba pomwe ogula amalankhulana.

Kapangidwe ka mabotolo agalasi kopangidwa mwapadera kumalola nyumba zapadera kuti zizilamulira mawonekedwe onse owoneka ndi ogwirika a mtundu wawo. Tapanga mabotolo kuyambira ma atomizer a Discovery a 3ml mpaka mabotolo osonkhanitsa a 500ml, m'ma profiles odulidwa ndi kristalo omwe amatchula magalasi a ku France a m'zaka za m'ma 1700 komanso m'njira zochepa zomwe sizingawonekere bwino m'nyumba yosungiramo zinthu zakale ku Stockholm. Chinthu chofala kwambiri pa mapulojekiti onsewa ndi chikhumbo chofuna kuyika tanthauzo la mtunduwo m'mawonekedwe enieni.

Pa kutulutsidwa kwa ma kope ochepa, njira yapaderayi ili ndi mphamvu yowonjezera. Fungo lodziwika bwino la mayunitsi 500 liyenera kupakidwa zomwe zimawonetsa kusowa ndi cholinga. Ogula akakumana ndi botolo lopangidwa mwamakonda ndi choyimitsa chomalizidwa ndi manja, amalandira uthenga wosalankhula: izi zidapangidwa ndi cholinga, osati mosavuta. Tikukhulupirira kuti chidwi ichi pa tsatanetsatane wa phukusi ndicho chimasiyanitsa mtundu wa fungo lomwe lili ndi mphamvu yeniyeni yokhazikika ndi lomwe limatha pambuyo potulutsidwa kamodzi pachaka.

Kutsatira Malamulo Oyendetsera Fungo Popaka

Musanadule nkhungu imodzi kapena kuyesa kutentha kwa galasi, makampani onunkhira akuluakulu ayenera kuyang'anizana ndi malamulo oyendetsera zodzoladzola ndi zonunkhira. Pali njira ziwiri zomwe zikulamulira msika wa ku Ulaya:Miyezo ya IFRAbungwe la International Fragrance Association, lomwe ndi bungwe laLamulo la Zodzoladzola la EU (EC) Nambala 1223/2009.

Miyezo ya IFRA imayang'ana pa kugwiritsa ntchito bwino zosakaniza za fungo, koma kufunika kwake pa phukusi sikolunjika - makamaka kudzera mu kuyanjana kwa zosakaniza ndi zinthu zopakira. Mwachitsanzo, fungo lokhala ndi sesquiterpene yambiri likhoza kuyanjana ndi zophimba zina za polima mkati mwa chipewa kapena kolala, ndipo izi ziyenera kuganiziridwa pagawo lopangidwa m'malo mozipeza panthawi yoyesa kukhazikika.

Lamulo la EU Cosmetics Regulation lili ndi tanthauzo lachindunji pa phukusi. Nkhani 3 imafuna kuti zinthu zodzikongoletsera zomwe zili pamsika zikhale zotetezeka ku thanzi la anthu pansi pa mikhalidwe yabwinobwino komanso yodziwikiratu yogwiritsira ntchito. Pa mabotolo onunkhira, izi zikutanthauza zofunikira zokhudzana ndi kutsekedwa kosatha kwa ana - makamaka pamitundu yaying'ono - kuyanjana kwa zinthu pakati pa chidebe chagalasi ndi kapangidwe ka fungo, komanso malo oyenera olembera pa paketi yoyamba.

Makampani onunkhira aku France omwe amagwira ntchito mu EU ayeneranso kuonetsetsa kuti ma phukusi awo akutsatira malamulo.Lamulo la CLP (EC) Nambala 1272/2008poika magulu a zoopsa ndi kuyika zosakaniza. Mafuta onunkhira okhala ndi mowa woposa kuchuluka kwa mowa womwe umayenera kuperekedwa amachititsa kuti zilembo ndi ma phukusi azifunike, kuphatikizapo zizindikiro zochenjeza za magulu ena a zoopsa.

Timatsogolera kasitomala aliyense kudzera mu gawo ili kumayambiriro kwa kapangidwe kake. Gulu lathu loyang'anira malamulo limasunga ma tempuleti a zikalata zatsopano ndipo limatha kugwirizana ndi ma laboratories oyesera a chipani chachitatu kuti ayese kuyenderana ndi zinthu. Kumvetsetsa zofunikira izi musanayambe kugwiritsa ntchito zida kumalepheretsa kukonzanso kokwera mtengo komwe kungayambitse kutulutsidwa kwa kope lochepa kwa miyezi ingapo.

Kusankha Mtundu Wabwino wa Galasi: Crystal, Soda-Laimu, ndi Borosilicate

Si magalasi onse a mabotolo onunkhira omwe amapangidwa mofanana, ndipo kusankha mtundu wa galasi kumakhala ndi zotsatira pa kukongola, kulemera, kukana mankhwala, ndi mtengo. Magulu atatu akuluakulu omwe timagwira nawo ntchito ndi galasi la lead crystal, galasi la soda-lime, ndi galasi la borosilicate.

Krustalo wa leadNdi muyezo wagolide wa fungo labwino kwambiri. Kristalo wa lead wopangidwa ndi manja umapereka kuwala kodabwitsa, kukongola kokhutiritsa komwe kumawonetsa ubwino, komanso kuthekera kovomereza zojambula zozama. Ubwino wa kristalo wa lead umapangitsa kuti ikhale yoyenera kwa makampani omwe kapangidwe ka botolo kamadalira kusewera kopepuka - malo okhala ndi mbali zomwe zimabalalitsa ndikuyika kuwala ngati chandelier. Kusinthana ndi mtengo ndi kusweka: kristalo wa lead umafuna kusamalidwa mosamala panthawi yodzaza ndi kutumiza, ndipo kuchuluka kwa lead kumawonjezera kuganizira za njira zina zoyendetsera malamulo ndi zachilengedwe.

Galasi la soda ndi laimuNdi ntchito yodziwika bwino kwambiri m'makampani opanga mafuta onunkhira. Ndi yotsika mtengo kwambiri, yolimba kwambiri kukhudzana ndi mankhwala ndi mafuta onunkhira, ndipo imatha kupangidwa ndi makulidwe ofanana a khoma pakupanga kwakukulu. Ma soda-lime amakono amamveka bwino kwambiri ndipo amatha kuchepetsedwa kapena kukulitsidwa kudzera mu njira zamakemikolo kapena kutentha kuti awonjezere kukana kwa zotsatira. Pamaoda ogulitsa ambiri pomwe mtengo wa chinthu chilichonse ndi chinthu chofunikira kwambiri popanda kusiya mawonekedwe apamwamba, galasi la soda-lime lokhala ndi mawonekedwe apamwamba - monga kupukutira kwa frosted kapena zigawo zingapo za lacquering - limapereka zotsatira zabwino kwambiri.

Galasi la BorosilicateNgakhale kuti imapezeka kwambiri m'mafakitale ndi m'ma labotale, nthawi zina imapezeka m'mapakiti apamwamba a mafuta onunkhira komwe kumafunika kukana mankhwala kwambiri. Kuchuluka kwa kutentha kwake kumakhala kotsika kwambiri kuposa galasi la soda-lime, zomwe zimapangitsa kuti ikhale yokhazikika kwambiri pakasinthasintha kutentha - chinthu chofunikira kwambiri pamafuta onunkhira omwe amasungidwa kapena kunyamulidwa m'malo osiyanasiyana.

Gulu lathu laukadaulo limathandiza makampani kuyendetsa bwino zinthuzi kutengera kapangidwe kake ka fungo, mtengo wake, ndi malo omwe kampani imayang'anira. Timasunga malaibulale amitundu yonse ya galasi kuti makasitomala athe kuwona kulemera, kumveka bwino, ndi mtundu wa pamwamba poyerekeza ndi miyezo yawo.

Kupanga Nkhungu Mwamakonda: Kuchokera ku Zojambula Zamalingaliro mpaka Kupanga Zida

Kusintha kuchokera ku lingaliro la kapangidwe kupita ku zenizeni zopanga kumachitika bwino kwambiri pagawo lopanga nkhungu. Pa mapulojekiti ambiri a mabotolo amafuta onunkhira agalasi, timayamba ndi mafayilo a CAD operekedwa ndi makasitomala kapena, poyambira pazithunzi ndi zinthu zofotokozera, gulu lathu lopanga mkati mwa nyumba limapanga mitundu ya 3D yomwe ingasindikizidwe ngati zitsanzo za stereolithography (SLA).

Chifaniziro chodziwika bwino cha botolo la mafuta onunkhira chimakhala ndi chitsanzo chachikulu, malo obowola opangidwa mozungulira, ndi zithunzi zingapo zoyesera kuti zitsimikizire kukhazikika kwa makulidwe a khoma, malo olumikizirana, komanso kulondola kwa mawonekedwe ake. Pa zosonkhanitsira zoyendetsedwa ndi manja, njirayi imasiyana - timapatsa akatswiri opanga magalasi omwe amapanga zitsanzo zomwe zimathandizira kupanga chifanizirocho, kusunga mawonekedwe aukadaulo pomwe amalola kuti chifanizirocho chizibwerezedwanso pang'ono.

Nthawi yogwiritsira ntchito zida imasiyana kwambiri kutengera zovuta. Kutanthauzira kosavuta kwa mbiri ya botolo yomwe ilipo kungafunike milungu isanu ndi umodzi mpaka isanu ndi itatu yogwiritsira ntchito zida. Kapangidwe katsopano kokhala ndi zodulidwa zocheperako, njira zovuta zamkati, kapena mbiri zachilendo za maziko zimatha kufikira milungu khumi ndi isanu ndi umodzi kapena kupitirira apo. Nthawi zonse timapanga buffer kuti tivomereze zitsanzo - nthawi zambiri zitsanzo ziwiri kapena zitatu zoyambirira zisanatsekedwe zida zopangira.

Mtengo wa zida zapadera nthawi zambiri umakhala vuto kwa makampani odziyimira pawokha omwe ali ndi bajeti yochepa. Timathetsa vutoli kudzera mu makonzedwe a zida zogawikana: njira yogawana m'malo momwe timachepetsera ndalama zogwiritsira ntchito zida m'mapulojekiti angapo a makasitomala pogwiritsa ntchito njira yoyambira, komanso njira yapadera pomwe nkhunguyo imaperekedwa kokha ku mtundu umodzi. Zida zapadera zimapereka chitetezo cha IP komanso chitetezo cha nthawi yayitali, pomwe zida zogawana zimachepetsa ndalama zomwe makampani amaika poyamba kukula.

Kumaliza Pamwamba: Kukweza Galasi Kuchokera ku Chotengera Kupita ku Chinthu

Botolo lagalasi lochokera mu uvuni ndi poyambira chabe. Njira zomalizirira botolo la mafuta onunkhira zimasonyeza khalidwe lake labwino kwambiri ndipo ndi komwe zinthu zambiri zapamwamba zimapangidwa. Njira zomalizirira zomwe makasitomala athu amagwiritsa ntchito kwambiri ndi monga kupukuta acid, kupukuta mchenga, kuphimba lacquer, kusindikiza kwa UV-screen, ndi kugwiritsa ntchito gilding ndi manja.

Kudula asidiImapanga malo oundana omwe amafalitsa kuwala ndikupereka mawonekedwe ofewa, ogwira omwe amaoneka ngati apamwamba kwambiri. Ndi okhazikika, olumikizidwa ndi mankhwala pamwamba pa galasi, ndipo sakukanda kapena kutha pakapita nthawi. Kudula kwa asidi m'magawo ambiri - komwe kuya kosiyanasiyana kwa kudula kumapangitsa kusiyana kwa mawu mkati mwa malo omwewo - ndikothandiza kwambiri pakubwereza ma logo ovuta kapena mapangidwe aluso popanda kuyambitsa mitundu.

Kuphulika kwa mchengaimapereka mawonekedwe osalala pang'ono ndipo nthawi zambiri imaphatikizidwa ndi kupukuta kosankhidwa, komwe zinthu zina zopangidwa zimapakidwa bwino kwambiri pomwe gawo lozungulira limakhalabe losalala. Izi zimapangitsa kuti mawonekedwe azikhala awiri omwe amawonjezera kwambiri kuzama komwe kumawonekera.

Chophimba cha lacquerMu mitundu yodziwika bwino ya mtundu ndi chida champhamvu chopangira chizindikiro. Timayika zigawo zingapo za lacquer ndi intermediate climbing kuti tikwaniritse kuya ndi kufanana. Lacquer zachitsulo ndi ngale zimawonjezera kukula. Chofunika kuganizira pa mabotolo opakidwa lacquer pamsika wa EU ndiKutsatira malamulo a REACH— utoto wina wachitsulo ndi zinthu zapadera zimafuna kuwunika kovomerezeka kwa chitetezo cha mankhwala. Gulu lathu lotsatira malamulo limasunga njira zovomerezeka za mitundu yonse ya lacquer.

Kusindikiza kwa UV-screenNdi njira yabwino kwambiri yogwiritsira ntchito ma logos, zolemba, ndi zinthu zowoneka bwino kwambiri pamalo agalasi. Imachira nthawi yomweyo ikakhudzidwa ndi UV, ndikupanga mgwirizano wolimba womwe umapirira kusamalidwa kwa mabotolo, kutumizidwa kwa mzere wodzaza, komanso kugwiritsidwa ntchito ndi ogula popanda kudula kapena kutha.

Kukongoletsa ndi manja, yomwe nthawi zambiri imagwiritsidwa ntchito pansi pa botolo, kolala, kapena milomo yokongoletsera, ikadali njira yabwino kwambiri yomalizitsira zinthu zapamwamba. Timagwiritsa ntchito akatswiri odziwa bwino ntchito za giligilani omwe amagwiritsa ntchito zinthu zachitsulo chamtengo wapatali — golide weniweni, platinamu, kapena palladium — pogwiritsa ntchito burashi kapena cholembera, kenako n’kuwotcha chitsulocho pamwamba pa galasi. Zotsatira zake n’zosasinthika: palibe mabotolo awiri okhala ndi golide omwe ali ofanana kwambiri, ndipo kutentha kwachitsulo motsutsana ndi galasi loyera n’kosavuta kulakwitsa. Zomalizidwa ndi golide ndi manja zimasungidwa mwachilengedwe kuti zikhale ndi zinthu zochepa zomwe zimakhala ndi zinthu zambiri komanso mitengo yake imatsimikizira kuti ndalamazo zagwiritsidwa ntchito mwaluso.

Kukhazikika ndi Unyolo Wamakono Woperekera Mafuta Onunkhira

Kukhazikika kwasintha kuchoka pa nkhawa yokhudza zinthu zina kupita ku chinthu chofunikira kwambiri chogulira zinthu zonunkhiritsa kwa anthu ambiri omwe akukula, ndipo palibe china chilichonse chomwe chikuwoneka bwino kuposa m'gawo lapadera komanso lodziyimira pawokha. Makamaka nyumba zachitukuko zaku France zakhala ndi makasitomala omwe amakoka ogula omwe amasamala zachilengedwe omwe amafufuza zomwe akufuna kuti agulitse.

Kuchokera pamalingaliro a magalasi opakidwa, kukhazikika kwa zinthu kumaphatikizana ndi ntchito yathu m'njira zingapo zofunika. Galasi ndi chimodzi mwa zinthu zopakidwa zomwe anthu amagwiritsa ntchito kwambiri — zimatha kusungunuka kosatha popanda kuwonongeka kwa khalidwe, ndipo galasi lophwanyidwa (galasi lobwezerezedwanso) ndi chinthu chofala chomwe chimagwiritsidwa ntchito popanga magalasi amakono, nthawi zambiri chimakhala ndi 20-30% ya gulu la uvuni.European Federation of Glass Packagingimalemba za momwe mphamvu zimasungidwira komanso ubwino wochepetsa mpweya chifukwa cha kuchuluka kwa kugwiritsa ntchito ma cullet popanga zinthu.

Tayika ndalama zambiri popanga mabotolo athu onunkhira otsika mtengo, zomwe zimathandiza makampani kuti azitha kubwezeretsanso zinthu zambiri pamene akusunga kumveka bwino komanso mtundu wa ma paketi apamwamba. Kuchepa kwa khalidwe la magalasi obwezeretsedwanso kumatanthauza kuti mabotolo opangidwa kuti aziwoneka bwino kwambiri - makamaka makristalo okhala ndi mbali - nthawi zambiri amafunikira magalasi osagwiritsidwa ntchito, koma pa magalasi opangidwa ndi chisanu, opakidwa utoto, kapena amitundu yosiyanasiyana, zinthu zomwe zimabwezeretsedwanso zomwe zimagwiritsidwa ntchito pambuyo pa kugula ndi zomwe zingagulitsidwe.

Kupatula galasi lokha, timagwira ntchito ndi makasitomala pa njira zochepetsera zinthu: zigawo zopyapyala za khoma pomwe zofunikira pa kapangidwe kake zimaloleza, kukonzanso ma CD akunja omwe amachotsa kapena kuchepetsa mapulasitiki ogwiritsidwa ntchito kamodzi, ndi njira zina zotsukira zamadzi zomwe zimachepetsa mpweya wa VOC kuchokera ku njira zomaliza.Kasamalidwe ka chilengedwe ka ISO 14001Kutsatira dongosolo la dongosolo kulipo ngati njira yoyenerera yoperekera chithandizo kwa makasitomala omwe ali ndi zofunikira pakupereka malipoti okhazikika a kampani.

Kuwunika Opanga Mabotolo Onunkhira a Galasi: Chimango cha Mitundu ya Boutique

Kusankha mnzanu wopanga ndi chimodzi mwa zisankho zofunika kwambiri zomwe kampani ya fungo lapadera imapanga. Wopangayo samangoyang'anira ubwino ndi nthawi yopangira komanso mwayi wopeza ukatswiri waukadaulo, chitsogozo cha malamulo, komanso kuthekera kogwiritsa ntchito kukula kuchokera pa kuyitanitsa koyamba kwa mayunitsi 300 mpaka 5,000.

Tikukulimbikitsani kuti makampani onunkhira aziyesa opanga omwe angakhalepo m'magawo asanu.

Ubwino wa chitsanzo ndi kusinthasintha.Pemphani zitsanzo zopangira kuchokera ku maoda osiyanasiyana ndikuyesa kusinthasintha kwa zitsanzo - kodi makulidwe a khoma ndi ofanana? Kodi zomaliza pamwamba zimagwirizana ndi zidutswa zomwe zimachokera ku ntchito yofanana yopanga? Kusintha kwa khalidwe la zitsanzo nthawi zambiri kumasonyeza kusakwanira kwa kuwongolera njira.

Kupanga luso lokonza ndi kugwiritsa ntchito mafayilo.Kodi wopanga angavomereze mafayilo anu a CAD (STEP, IGES, SolidWorks formats) kapena amafuna kusintha komwe kumayambitsa zolakwika za geometric? Kodi ali ndi mphamvu zopangira nkhungu mkati mwa nyumba, kapena amagwiritsa ntchito zida zakunja - zomwe zimawonjezera nthawi yotsogolera ndikuchepetsa kuyankha panthawi yothetsa mavuto?

Malo omalizira.Wopanga yemwe angapereke mabotolo agalasi wamba ndikupereka ntchito zina zonse zomalizitsa amawonjezera zovuta, mtengo, komanso chiopsezo chowongolera khalidwe. Mwanjira yabwino, wogulitsa wanu amapereka ntchito zomalizitsa mkati mwa nyumba - kupukuta asidi, kupukuta, kusindikiza, ndi kuphimba - pansi pa denga limodzi, ndi kuyang'anira bwino khalidwe pakati pa ntchito.

Zomangamanga zoyendetsera malamulo ndi zoyesera.Kodi wopanga amasunga zikalata zovomerezeka zogwiritsira ntchito zipangizo (REACH, SVHC screening), ali ndi ubale ndi ma laboratories ovomerezeka oyesera, ndipo amamvetsetsa zofunikira zolembera njira zolembetsera zodzikongoletsera za EU ndi US?

Kulankhulana ndi kuwonekera poyera kwa zinthu.Pa kutulutsidwa kwa ma kope ochepa okhala ndi masiku okhazikika ogulitsa, kuchedwa kwa kupanga kungakhale koopsa kwambiri pamalonda. Opanga omwe amapereka njira zotsatirira kupanga nthawi yeniyeni, zosintha za momwe zinthu zilili, komanso njira zomveka bwino zowonjezerera nkhawa zaubwino ayenera kusankhidwa kuposa omwe amalankhulana pokhapokha ngati mavuto atha kupewedwa.

Ku Lemuel, timaona mtundu uliwonse wa fungo ngati mnzathu wa nthawi yayitali osati kasitomala wochita malonda. Kapangidwe kathu ka kayendetsedwe ka akaunti kamatsimikizira kuti gulu lomwelo lomwe likutsogolera kuwunika kwanu koyamba kapangidwe ndi gulu lomwelo lomwe limayang'anira kayendetsedwe kanu ka ntchito - kupitiriza komwe kumabweretsa zotsatira zabwino kwa onse awiri.

Ntchito Yanu Yopangira Botolo Lonunkhira Mwapadera: Kuyambira Pang'ono Mpaka Pang'ono Kwambiri

Kumvetsetsa momwe njira yopezera zinthu imachitikira m'machitidwe kumasonyeza zomwe zingamveke ngati ntchito yoopsa kwa makampani atsopano omwe apangidwa mwapadera. Kugwirizana kwachizolowezi ndi Lemueli kumatsatira njira yokonzedwa bwino ya magawo asanu.

Gawo loyamba: Kupeza ndi kupanga lingaliro.Iyi ndi nthawi ya masabata awiri kapena anayi yomwe imayamba ndi mafunso achidule okhudza mbiri ya fungo, mtengo womwe mukufuna, kuchuluka kwa zinthu zomwe mukufuna, misika yolamulira, zofotokozera za kukongola kwa kampani, ndi ma phukusi a opikisana nawo ofunikira. Timatsatira ndi gawo la kapangidwe ka malingaliro — pamaso pathu ku studio yathu ya Shanghai kapena kudzera pa msonkhano wa kanema — komwe timapereka zosankha za zinthu, mbiri yagalasi, ndi kuphatikiza komaliza komwe kumagwirizana ndi malo a kampani komanso bajeti yake.

Gawo lachiwiri: Kapangidwe ndi kukonzedwanso kwa zitsanzo.Gulu lathu lopanga mapangidwe limapanga zojambula zenizeni, ndipo, ngati kuli kofunikira, zitsanzo zenizeni za SLA. Ndemanga za makasitomala zimapangitsa kuti mapangidwewo akonzedwenso mpaka atatsekedwa. Kenako timapanga zitsanzo za nkhungu ndi zitsanzo zoyambirira zogwiritsidwa ntchito ndi manja kuti ziwunikiridwe ndi kuwonedwa. Makasitomala nthawi zambiri amalandira zitsanzo zitatu zakuthupi asanavomereze kupanga.

Gawo lachitatu: Kumaliza kugwiritsa ntchito zida ndi kutsimikizira kuti zinthuzo zisanapangidwe.Zipangizo zopangira zimadulidwa, ndipo zithunzi zoyambirira kuchokera ku nkhungu zopangira zimayerekezeredwa ndi chitsanzo chovomerezeka. Kafukufuku wa miyeso, kuyeza makulidwe a khoma, ndi kuwunika kwa mawonekedwe a pamwamba kumatsimikizira kuti njira yopangira imatsanzira kapangidwe kovomerezeka mkati mwa kulekerera.

Gawo lachinayi: Kupanga.Timakonza nthawi yopangira zinthu mogwirizana ndi zofunikira za makasitomala athu, nthawi zambiri timakhala ndi gawo laling'ono la zinthu zomalizidwa ngati chitetezo ku maoda osinthidwa. Gulu lathu laubwino limachita kafukufuku wa AQL (Acceptable Quality Level) pa mabotolo 100% omalizidwa, ndipo malipoti owunikira mwatsatanetsatane amapezeka ngati apemphedwa.

Gawo lachisanu: Kayendetsedwe ka zinthu ndi kutumiza katundu.Timayang'anira zikalata zotumizira kunja, kutumiza katundu, ndi kuchotsera katundu wakunja kwa dziko. Mapaketi athu okhazikika a mabotolo amafuta onunkhira agalasi amaphatikizapo manja oteteza, zogawanitsa, ndi makatoni akunja olimba omwe adapangidwa kuti athe kupirira zovuta za katundu wonyamula katundu wakunja kwa dziko.

Mafunso Ofunsidwa Kawirikawiri