Magetsi a Troffer akukhala chisankho chodziwika bwino m'malo ogulitsa komanso okhalamo. Mudzawaona m’maofesi, m’zipatala, m’sukulu, ndipo ngakhale m’nyumba zina zamakono. Amadziwika ndi mawonekedwe awo aukhondo, athyathyathya omwe amakwanira padenga lotsika, kutulutsa kuwala, ngakhale kuyatsa kudera lalikulu.
Mosiyana ndi zida zapadenga zomwe zimayatsa malo ang'onoang'ono, nyali za troffer zimapangidwira kuti ziwalitse molingana mchipindamo. Izi zimawapangitsa kukhala abwino kumadera akulu komwe kuyatsa kosasintha ndikofunikira. Zimakhalanso zopatsa mphamvu, makamaka mitundu ya LED, yomwe imakhala nthawi yayitali ndikuchepetsa mabilu amagetsi.
Chomwe chimasiyanitsa magetsi a troffer ndi kuyatsa kwachikhalidwe ndikuyika kwawo ndi magwiridwe antchito. M'malo mongokhala pansi kapena kutuluka kunja, othamanga amakhala pansi ndi denga, kupereka mawonekedwe owoneka bwino komanso kuphimba bwino. Ichi ndi chifukwa chimodzi iwo akhala kukweza wamba m'malo amene amafunikira ntchito ndi kalembedwe.
Kodi Kuwala kwa Troffer N'chiyani?
Nyali ya troffer idapangidwa kuti igwirizane ndi denga lotsika kapena la gridi. Mwinamwake munawaonapo m’maofesi, m’masukulu, kapena m’zipatala—mapanelo aatali, afulati okhala ndi matailosi a kudenga. Ma Troffers nthawi zambiri amabwera mumitundu yayikulu kapena yamakona anayi, ngati 2 × 2 kapena 2 × 4 mapazi, ndipo amatsitsimutsidwa, kutanthauza kuti amakhala mkati mwa denga m'malo mopachikidwa.
Nanga n’chifukwa chiyani zili zofunika m’mapangidwe amakono ounikira?
Poyambira, ndiabwino kwambiri pakuwunikira mogawana madera akulu. Palibenso mithunzi yodabwitsa kapena mawanga owala kwambiri. Nyali za Troffer zimafalikira mofewa, kuwala kokwanira mchipindamo, kuwapangitsa kukhala abwino m'malo omwe anthu amafunikira kuwona bwino ndikugwira ntchito momasuka.
Tsopano, fanizirani izi ndi zida zokwera pamwamba-mtundu womwe mumawotcha padenga. Izi zimakonda kutuluka ndikuponya dziwe laling'ono la kuwala. Kumbali inayi, Troffers amaphatikizana ndi denga ndikuwunikira malo ochulukirapo popanda zosokoneza. Zimawoneka zoyera, zimagwira ntchito bwino, ndipo nthawi zambiri zimakhala zopatsa mphamvu, makamaka zikaphatikizidwa ndi ukadaulo wa LED.
Mitundu ya Magetsi a Troffer
Magetsi a Troffer amabwera m'mitundu iwiri ikuluikulu: fulorosenti ndi LED. Ngakhale ma troffers a fulorosenti anali muyezo kwa zaka, nyali za troffer za LED zatengapo-ndipo pazifukwa zomveka.
1. Magetsi a Fluorescent Troffer
Izi zinali zosankhidwa bwino m'masukulu, maofesi, ndi zipatala. Amagwiritsa ntchito machubu a fulorosenti - nthawi zambiri T8 kapena T12- zomwe zimalowa mu chimango chokhazikika padenga. Amadziwika kuti amapereka kuwala, ngakhale kuwala m'malo ambiri.
| ubwino | kuipa |
| Kutsika mtengo wapatsogolo | Kutalika kwa nthawi yayitali kuposa LED |
| Ikupezeka m'makonzedwe akale | Wokonda kugwedezeka ndi kubwebweta |
| Kuwala kokwanira malo otakata | Kugwiritsa ntchito mphamvu kwambiri |
| Zodziwika bwino kukhazikitsa | Kukonza pafupipafupi (kusintha kwa chubu / ballast) |
2. Kuwala kwa Troffer LED
Lowetsani kukweza kwamakono: nyali ya troffer ya LED. Izi zimagwiritsa ntchito ma diode otulutsa kuwala m'malo mwa machubu, zomwe zimawapangitsa kukhala osapatsa mphamvu, okhalitsa, komanso osavuta pa bilu yanu yamagetsi. Muwapeza m'nyumba zatsopano, kukonzanso maofesi, ngakhalenso nyumba zanzeru.
Chifukwa chiyani anthu amakonda nyali za LED:
- Kufikira 60% yowotcha mphamvu kuposa fulorosenti
- Itha kukhala maola 50,000 kapena kupitilira apo
- Palibe kulira, kuthwanima, kapena nthawi yofunda
- Kukonza kochepa - palibe mababu osintha nthawi zonse
- Mapangidwe owoneka bwino komanso mawonekedwe abwinoko amitundu
Kodi mukugwiritsa ntchito kale ma troffer a fulorosenti? Osadandaula. Zosankha zobwezeretsanso zilipo. Mutha kusinthanitsa zosintha zakale mosavuta kapena kukweza mkati ndi zida za LED retrofit, kusunga ndalama popanda kukonzanso denga lonse.
Common Troffer Light Kukula ndi Mawonekedwe
Magetsi a Troffer sali amtundu umodzi. Zimabwera m'miyeso yochepa, iliyonse imagwira ntchito yosiyana malinga ndi malo.
1 × 4 Phazi Troffers
Izi ndi zazitali komanso zopapatiza, zoyenera m'njira, maofesi ang'onoang'ono, kapena malo okhala ndi denga lochepa. Iwo ndi olimba kusankha pamene mukufuna kuunikira kwa mzere koma alibe malo okulirapo.
2 × 2 Phazi Troffers
Yowoneka bwino komanso yayikulu, 2 × 2 troffer imagwiritsidwa ntchito m'zipinda zazing'ono, maofesi achinsinsi, zimbudzi, kapena kulikonse komwe kuli ndi denga lolimba kwambiri. Amapereka kuwala koyenera popanda kuwononga malo.
2 × 4 Phazi Troffers
Kukula kodziwika kwambiri komwe mungapeze m'malo akulu azamalonda monga maofesi otseguka, makalasi, zipatala, ndi malo ogulitsa. Izi zimapereka kuphimba kwakukulu, ngakhale kuwala ndipo zimagwira ntchito bwino m'zipinda zokhala ndi denga lalitali kapena kumene kuwala kofanana kumafunika.
Maonekedwe aliwonse ndi kukula kwake kumakwanira mu gridi yotsika pansi, kupangitsa kukhazikitsa kukhala kosavuta komanso koyera. Kaya mukuyatsa kolido kapena pansi, pali kukula kwa troffer kuti mufanane ndi ntchitoyi.
Momwe Troffer Light Fixtures Amagwirira Ntchito
Kuwala kwa troffer kumatha kuwoneka kosalala kunja, koma pali zambiri kuseri kwazithunzi. Tiyeni tiphwanye.
Pakatikati pa chowunikira chilichonse pali zigawo zitatu zazikulu:
- nyumba - Ichi ndi chimango chachitsulo chomwe chimagwirizanitsa zonse. Ndi zomwe zimayikidwa mu gridi ya denga kapena kuyikidwa pamwamba.
- mandala-Magalasi amakhala pansi pa chipangizocho ndikugawa kuwala kotero kuti kufalikira mofanana. Magalasi amatha kuzizira, prismatic, kapena kupindika kutengera kapangidwe kake.
- Ma LED kapena nyali- Awa ndi magwero enieni a kuwala. M'mitundu yakale, nthawi zambiri amakhala machubu a fulorosenti. M'mapangidwe amakono, amaphatikizidwa LEDs zomwe zimapereka magwiridwe antchito bwino komanso kusakonza pang'ono.
Zikafika pakuyika, magetsi amtundu wa troffer amapereka masitayelo angapo osiyana siyana kutengera denga lanu:
- Kukwera Kwambiri-Iyi ndiyo njira yodziwika kwambiri, yomwe imayikidwa mu gridi yotsika pansi kuti ikhale ndi matailosi.
- Pamwamba Kukwera-Izi zimagwiritsidwa ntchito ngati palibe denga lotsika. Chojambulacho chimamangiriridwa mwachindunji pamwamba padenga.
- Kukwera Koyimitsidwa - Zoyenera padenga lalitali kapena malo ogulitsa mafakitale. Choyikacho chimapachikidwa pa mawaya kapena ndodo kuti kuwala kufupi ndi malo ogwirira ntchito.
Njira iliyonse yoyikira imakupatsani kusinthasintha pamapangidwe, mukamaperekabe kufalikira, ngakhale kuyatsa komwe ma troffers amadziwika nawo.
Ubwino wa Troffer Lighting
Pali chifukwa chake kuyatsa kwa troffer kuli paliponse - kuchokera kusukulu ndi maofesi kupita kuzipatala za madotolo komanso zipinda zapansi zapakhomo. Zimangogwira ntchito. Ndipo mukasinthira ku LED, zopindulitsa zimakhala zabwinoko.
Kusunga Mphamvu
Chimodzi mwazinthu zabwino kwambiri ndikugwiritsa ntchito mphamvu zamagetsi, makamaka ngati mukugwiritsa ntchito chowunikira cha LED. Mitundu ya LED imagwiritsa ntchito mphamvu zochepa kuposa ya fulorosenti ndipo imakupatsabe kuwala kowala, kwapamwamba. Pakapita nthawi, izi zimawonjezera ndalama zambiri pa bilu yanu yamagetsi.
Ngakhale Light Distribution
Palibe mawanga okhwima kapena ngodya zakuda. Magetsi a Troffer amapangidwa kuti azitha kufalitsa kuwala molingana ndi danga. Kaya mukuwerenga, kugwira ntchito, kapena kuphunzitsa kalasi, kuyatsa kumakhalabe kofewa komanso kosasintha, kothandiza kuchepetsa kupsinjika kwa maso ndikupangitsa anthu kuyang'ana kwambiri.
Kusamalira Pang'onopang'ono
Ma troffer a LED amatha kupitilira maola 50,000. Izi zikutanthauza kuti nthawi yocheperako mukusintha mababu, makwerero ocheperako, komanso osagwedezeka kapena magetsi akuthwanima. Iwo amangokhala-izo-ndi-kuyiwala-izo.
Kuyang'ana Koyera ndi Kupanga Kopanda Msoko
Magetsi a Troffer ali ndi mawonekedwe amakono chifukwa amakhala ndi madontho otsika. Zimagwirizana bwino - palibe zopangira zazikulu zomwe zimatuluka kapena kusokoneza mizere yapadenga. Izi zimawapangitsa kukhala chisankho chanzeru kwa aliyense amene akufuna ntchito ndi kalembedwe.
Zokwanira Zokwanira Pansi pa Gridi
Ma Troffers adapangidwa kuti agwirizane bwino ndi ma grid wamba. Palibe zokhazikitsidwa mwamakonda. Zigwetseni mkati, zilumikizani ndi waya, ndipo mwakonzeka. Ichi ndichifukwa chake iwo ndi osasinthika kusankha kuyatsa m'malo ambiri malonda.
Kugwiritsa Ntchito Magetsi a Troffer
Magetsi a Troffer si amtundu umodzi wamalo - amagwira ntchito kulikonse. Chifukwa cha mawonekedwe awo aukhondo komanso magwiridwe antchito amphamvu, amagwiritsidwa ntchito m'malo onse, kuyambira pamaofesi otanganidwa mpaka kukonzanso kwachipinda chapansi.
Malo Amalonda
M'maofesi, masitolo ogulitsa, ndi zipatala zachipatala, nyali za troffer zimathandizira kuti zinthu zikhale zowala, zaukadaulo, komanso zaphindu. Ogwira ntchito amapeza kuwala kowoneka bwino, kosasintha komwe kumakhala koyenera kuyang'ana. Ogula amatha kuwona malonda bwino. Ndipo m'malo azachipatala, chilichonse chimakhala chowonekera komanso chowala bwino.
Masukulu ndi malaibulale
Makalasi, malo ophunzirira, ndi malaibulale zonse ndizokhudza chidwi komanso kumveka bwino. Magetsi a Troffer amapereka kuwala kopanda kuwala komwe kumathandiza ophunzira kukhala tcheru komanso aphunzitsi kuona bwino. Kuphatikiza apo, kukonza kocheperako ndikopambana kwa ogwira ntchito kusukulu.
Ntchito Industrial
Malo osungiramo katundu, ma lab, ndi malo ena olemetsa ntchito amafunikira kuunikira kolimba, kodalirika. Ma Troffers amagwira ntchito popanda mithunzi kapena kuthwanima, zomwe zimathandiza kuoneka bwino komanso chitetezo. Ndipo ndi zosankha za LED, amatha kugwira ntchito kwa nthawi yayitali popanda kugwiritsa ntchito ndalama zamagetsi.
Nyumba Zamakono
Eni nyumba ambiri akuwonjezera siling'ono ku zipinda zapansi, makhichini, ndi magalaja, ndipo nyali za troffer zimakwanira mkati momwemo. Amawunikira kwambiri osatenga malo owoneka bwino, abwino kuti apange mawonekedwe owoneka bwino, osinthidwa kunyumba.
Kusankha Kuwala kwa Troffer Kumanja
Sikuti nyali zonse za troffer ndizofanana, ndipo kusankha koyenera kungapangitse kusiyana kwakukulu momwe malo anu amamvera ndikugwira ntchito. Nazi zomwe muyenera kuganizira musanagule.
| Zochitika | Zoyenera Kuganizira |
| Kukula kwa Chipinda & Kapangidwe | Sankhani kukula kwa troffer potengera kukula kwa chipindacho. Kwa malo ang'onoang'ono, gwiritsani ntchito 2 × 2 troffers, ndi malo akuluakulu, gwiritsani ntchito 2 × 4 troffers. Ngakhale kutalikirana kumapewa mawanga amdima. |
| Mtundu wa Kutentha | Ma troffers ambiri amakwanira denga la gridi ya T-bar. Kwa drywall, gwiritsani ntchito zokwera pamwamba kapena zoyimitsidwa. |
| Kuwala (Lumens) | Kuyesedwa mu lumens. Maofesi/makalasi: 3,000–5,000 lumens. Zipinda zing'onozing'ono zimafuna zochepa. Gwirizanitsani zotuluka kuchipinda. |
| Kutentha kwa Mitundu | White White (Kufotokozera: 2700K – 3000K): Zowoneka bwino, zogwiritsidwa ntchito kunyumba - Neutral White (3500K–4100K): Zoyenera, zamaofesi/zogulitsa - Masana (5000K–6500K): Zowoneka bwino, zowoneka bwino pakuwunikira ntchito ndikugwiritsa ntchito mafakitale |
| Dimming & Controls | Yang'anani kuwala kwa LED troffers kapena zowongolera mwanzeru kuti musinthe kuwala ngati pakufunika ndikupulumutsa mphamvu. |
Kuwala kwa Fluorescent vs LED Troffer Light: Kusiyana kwake ndi Chiyani?
| mbali | Kuwala kwa Fluorescent Troffer | Kuwala kwa Troffer kwa LED |
| Kugwiritsa Ntchito Mphamvu | Kugwiritsa ntchito mphamvu kwambiri | Mpaka 60% imagwira ntchito bwino |
| Utali wamoyo | Pafupifupi maola 10,000-20,000 | Maola 50,000 + |
| Kuwala Quality | Ikhoza kufiyira kapena kuchepa pakapita nthawi | Kuwala kosalala, kosasinthasintha |
| Nthawi Yoyambira | Zitha kutenga masekondi angapo | Yoyambira-p |
| yokonza | Machubu ndi ma ballast amafunika kusinthidwa | Kusamalirako pang'ono |
| Kutulutsa Kutentha | Kutentha mpaka kukhudza | Kuzizira kozizira |
| Mtengo Pakapita Nthawi | Zotsika mtengo zam'tsogolo, koma zimawononga ndalama zambiri kuyendetsa ndi kukonza | Zokwera kutsogolo, koma zimapulumutsa ndalama kwa nthawi yayitali |
| Design | Bulker ndi machubu owoneka | Chowoneka bwino, mawonekedwe amakono a gulu |
Magetsi oyendera magetsi a LED amamenya a fulorosenti pafupifupi mwanjira iliyonse-makamaka pankhani yopulumutsa mphamvu, kulimba, komanso kugwiritsa ntchito mosavuta. Ngati mukukweza kuyatsa kwanu, LED ndiye kusuntha kwanzeru.
Malangizo oyika ndi malingaliro
Kuyika nyali ya troffer kumatha kumveka kophweka - ndipo kungakhale - koma muyenera kukumbukira zinthu zingapo kuti muwonetsetse kuti zachitika bwino komanso zotetezeka.
Yambani ndi Chitetezo
Nthawi zonse dulani mphamvu pa chophwanyira musanagwire ntchito ndi waya uliwonse. Osangotembenuza chosinthira chowunikira. Gwiritsani ntchito choyezera chamagetsi kuti muwone ngati palibe kuyenda kwapano. Ngati simukutsimikiza pa sitepe iliyonse, ndi bwino kusewera bwino ndikuyimbira katswiri.
Retrofit Kits vs Kukhazikitsa Kwatsopano
Kodi muli ndi ma troffers a fulorosenti m'malo mwake? Simuyenera kung'amba zonse. Zida zobwezeretsanso za LED zimakulolani kuti musinthe zida zomwe zilipo kale kuti zikhale zopatsa mphamvu popanda kusintha nyumba yonse. Ndiwofulumira kukhazikitsa komanso mosavuta pa bajeti.
Koma ngati mukukonzanso kwathunthu kapena mukufuna mawonekedwe oyera, amakono, zowongolera zatsopano za LED ndi njira yopitira. Izi nthawi zambiri zimabwera ndi mapangidwe ocheperako komanso kugawa bwino kwa kuwala.
DIY kapena ganyu Pro?
Kuyika kwa DIY kumatha kuchitika ngati mutasintha zina ndikukhala ndi chidaliro pogwira ntchito ndi mawaya. Ma troffers ambiri amadontho amapangidwa kuti agwere m'malo mwake. Koma kubweretsa katswiri wamagetsi yemwe ali ndi zilolezo ndiye kubetcha kotetezeka kwambiri pa chilichonse chokhudza mabwalo atsopano, zowongolera mwanzeru, kapena zida zapadenga zovuta.
Osaiwala Ma Code
Onetsetsani kuti kuyatsa kwanu kukugwirizana ndi ma code amphamvu apafupi. Madera ambiri amafunikira zowongolera za LED kapena amafunikira mawonedwe apadera. Kugwiritsa ntchito nyali zotsimikizika za troffer-monga zolembedwa za DLC kapena za ENERGY STAR-zimathandizira kuonetsetsa kuti zikutsatiridwa ndipo zitha kukuyeneretsani kubwezeredwa.
Troffer Light vs Zosintha Zina Zowunikira
Kodi troffer light fixture ndi yoyenera malo anu? Tiyeni tifanizire ndi njira zowunikira zodziwika bwino kuti tisankhe zomwe zikuyenda bwino.
| Mtundu Woyatsa | Kufotokozera | Zabwino Kwambiri | Nthawi Yosankha Magetsi a Troffer |
| Troffer Light | Chokhazikika cha rectangular / square padenga la gridi; lalikulu, ngakhale kuyatsa | Maofesi, masukulu, zipatala, zipinda zapansi | Mukafuna yunifolomu, kuwala kowala muzitsulo za gridi |
| Kuwala kwa Panel | mapanelo owoneka bwino, owala m'mphepete; mawonekedwe owonda kwambiri | Maofesi amakono, zokonda zamalonda | Ngati mukufuna kuwala kochulukirapo kuposa momwe magetsi amapangira |
| Surface-Mount Fixture | Wokwera mwachindunji padenga, pang'ono bulky | Mipando, zotsekera, ndi masiling'i opanda ma grid system | Ngati mukufuna choyeretsa, chophatikizika chowoneka padenga ladontho |
| Pansi | Kuwala kwakung'ono, kocheperako; imayang'ana kuwala mbali imodzi | Khitchini, zipinda zochezera, ndi kuwunikira kwamalingaliro | Pamene kuunikira wamba n'kofunika kwambiri kuposa kamvekedwe ka mawu |
Kusamalira ndi Utali wa Moyo
Chimodzi mwazinthu zabwino kwambiri zosinthira ku kuyatsa kwa troffer ya LED ndikuti simuyenera kuziganizira mukangoyika. Zopangira izi zimamangidwa kuti zikhale zokhalitsa komanso zokonzedwa kuti zisamasamalidwe bwino, makamaka poyerekeza ndi zosankha zakale za fulorosenti.
1. Kuyeretsa Malangizo
Fumbi limatha kukhala pa disolo pakapita nthawi, ndikuchepetsa kutuluka kwa kuwala. Kupukuta mwachangu ndi nsalu ya microfiber miyezi ingapo iliyonse kumapangitsa kuti zinthuzo zikhale zaukhondo ndikuwoneka zatsopano. Ngati ndi zonyansa kwambiri, mutha kutsitsa nsaluyo pang'ono, koma nthawi zonse onetsetsani kuti magetsi azima musanakhudze chojambulacho.
2. Nyali ndi Dalaivala Moyo wautali
Ma troffers a fulorosenti amafunika kusintha machubu nthawi zonse-kawirikawiri maola 10,000 mpaka 20,000 aliwonse. Ma ballasts amathanso kutha, zomwe zimapangitsa kuthwanima kapena mdima. Mosiyana ndi izi, nyali za troffer za LED zimatha kuyenda maola 50,000 kapena kupitilira apo osafuna magawo atsopano. Ena amafika mpaka maola 100,000, kutengera mtundu wake.
Ma driver a LED (gawo lomwe limapereka mphamvu) lingafunike kusinthidwa, koma ndizosowa ndipo nthawi zambiri zimakhala zaka zambiri. Akapita, zida zambiri zimamangidwa kotero kuti dalaivala akhoza kusinthidwa popanda kusintha gawo lonse.
3. Chifukwa Chake Ma Troffers a LED Ndi Otsika Kwambiri Kukonza
Palibe machubu, ma ballasts, kapena kusintha kwa mababu kosalekeza kumapangitsa kuyatsa kwa LED kukhala ndalama zolimba. Mumawayika, ndipo amagwira ntchito mwakachetechete kwa zaka zambiri, kuwapangitsa kukhala abwino kwa malo otanganidwa monga maofesi, masukulu, zipatala, kapena kulikonse komwe simukufuna kudera nkhawa za kusamalira.
Kuyerekeza kwa Mtengo ndi Mphamvu Zamagetsi
| Mbali | Kuwala kwa Fluorescent Troffer | Kuwala kwa Troffer kwa LED |
| Mtengo Wotsogola | $ 30- $ 50 pachiwonetsero chilichonse | $60–$150+ pachiwonetsero chilichonse |
| Kugwiritsa Ntchito Mphamvu | Kugwiritsa ntchito mphamvu kwambiri | Amagwiritsa ntchito mphamvu zochepa 50-60%. |
| Utali wamoyo | Maola 10,000-20,000 | Maola 50,000-100,000 |
| Zofunika Kusamalira | Nthawi zonse chubu ndi ballast m'malo | Kusamalira kochepa, ma LED okhalitsa ndi madalaivala |
| Kutulutsa Kutentha | Zapamwamba-zikhoza kuwonjezera ku mtengo wozizira | Imazizira - imachepetsa kupsinjika pamakina a HVAC |
| Mtengo Wonse wa Moyo Wonse | Otsika poyamba, okwera m'kupita kwanthawi chifukwa cha mphamvu zamagetsi ndi kukonza ndalama | Kutsogolo, koma kupulumutsa kwakukulu pamagetsi ndi kukonza |
| Rebates/Zolimbikitsa | chosowa | Nthawi zambiri amakhala oyenera kubwezeredwa ndi zolimbikitsa zopulumutsa mphamvu |
Ibibazo
Maganizo Final
Ngati mukuyang'ana njira yowunikira yomwe ikugwirizana ndi zonse - mphamvu zogwiritsira ntchito mphamvu, ntchito zodalirika, ndi mapangidwe oyera - magetsi oyendetsa magetsi ndi chisankho cholimba. Kaya ndikukonza ofesi, kukweza kalasi, kapena kumaliza chipinda chapansi chamakono, zosinthazi zimapereka kuwala kokwanira komwe kumamangidwa kuti kukhale kokhalitsa.
Magetsi amtundu wa LED, makamaka, amapereka zabwino kwambiri padziko lonse lapansi: mabilu otsika kwambiri komanso kukonza pang'ono. Komanso, ndi masaizi osiyanasiyana, kutentha kwamtundu, ndi zosankha zoyikapo, ndizosavuta kupeza zomwe zikugwirizana ndi denga lanu komanso mawonekedwe anu.
Kusankha kuunikira koyenera sikungowonjezera kuwala kokha - ndi kupanga malo omwe amagwira ntchito. Pazinthu zambiri zamalonda ndi zogona, magetsi a troffer amagwira ntchito bwino.
