Hejuru Mine Yibanze Yumufana Wumukoresha: Uruganda Igiciro Cyukuri 

Nkuyobora Umufana wanjye wa Hote uwabikoze, dutanga ibiciro-bitaziguye kubiciro-byimikorere ya axial na centrifugal ibice byateguwe kubutaka bukomeye. Ibikoresho byacu bitanga ikwirakwizwa ryimyuka yizewe mumutwe wapfuye, ingenzi mukugabanya imyuka mibi no gukomeza ubushyuhe bwakazi. Mugukuraho abahuza, dutanga ikiguzi-cyiza, gishobora guhumeka ibisubizo byubahiriza amahame yumutekano wisi yose tutabangamiye kuramba cyangwa gukora neza.

Umufana wa Mine waho ni iki?

A Umufana wanjye wa Hote ni igikoresho cyabugenewe cyabugenewe kugirango gitange umwuka mwiza muburyo bwihariye bwo gukora mu birombe byo munsi y'ubutaka. Bitandukanye nabafana ba minini bazenguruka umwuka binyuze murusobe rwose, abafana baho bibanda kumyuka ifasha mumutwe witerambere aho guhora umwuka mubi bidashoboka.

Ibi bice nibyingenzi mugukuraho imyotsi iturika, umwuka wa mazutu, hamwe na gaze zisanzwe nka metani. Bakora mugukora itandukaniro ryumuvuduko uhatira umwuka mwiza unyuze muri sisitemu yo gutembera mumaso yumucukuzi mugihe umunaniro wanduye usubira mumuhanda ugaruka.

Igishushanyo gishyira imbere imbaraga, kirimo moteri idashobora guturika hamwe na kasike ishimangirwa kugirango ihangane n'umukungugu, ubushuhe, n'ingaruka zishobora kubaho. Imikorere muri aba bafana isobanura neza umutekano wibikorwa no kugabanya ingufu zingufu zubuzima bwumushinga wubucukuzi.

Imikorere Yibanze Mubikorwa Byubutaka

Uruhare rwibanze rwabafana ntirurenze ikirere cyoroshye. Nibikorwa byubuzima bwimishinga yo gucukura.

• Gukoresha gaze: Kugabanya byihuse imyuka yubumara cyangwa iturika kugeza kurwego rwumutekano ako kanya nyuma yo guturika.
• Kurwanya umukungugu: Igumana umuvuduko uhagije wumwuka kugirango wirinde umukungugu uhumeka gutura mukarere gahumeka kwabakozi.
• Amabwiriza yubushyuhe: Ifasha gucunga ubushyuhe buterwa na geothermal gradients hamwe nimashini ziremereye.
• Ububiko bwihutirwa: Ibice byinshi bigezweho bikora nka sisitemu yo gufasha urugereko rwubuhungiro mugihe ihindagurika ryamashanyarazi.

Kuberiki Hitamo Ibiciro-Byibiciro Byibikoresho bya Ventilation?

Amasoko a Umufana wanjye wa Hote mu buryo butaziguye uwabikoze atanga inyungu zingenzi kuruta kugura binyuze mubagabuzi cyangwa abakozi-bandi. Kurandura ibice byerekana ibicuruzwa biva mu kuzigama byihuse, bituma amasosiyete acukura amabuye y'agaciro agenera ingengo y’imari ibikorwa remezo bikomeye by’umutekano.

Kurenga igiciro, gusezerana-uruganda rutuma habaho ubumenyi bwubuhanga. Gusaba ibyifuzo byerekeranye na voltage, inshuro, cyangwa ibikoresho byamazu byihariye birashobora gukemurwa ako kanya nta gutinda kw'itumanaho bisanzwe murwego rwo gutanga amasoko menshi.

Byongeye kandi, abakora ibicuruzwa bitaziguye batanga inkunga yuzuye nyuma yo kugurisha, harimo ibice byabigenewe kuboneka no gukemura ibibazo bya tekiniki. Iyi mibanire ituma umuntu yiringirwa igihe kirekire, akemeza ko sisitemu yo guhumeka ikomeza gukora hamwe nigihe gito cyo kumara ubuzima bwa kirombe.

Ikiguzi Cyiza no Kugumana Agaciro

Iyo usuzumye igiciro cyose cya nyirubwite, igiciro cyambere cyo kugura nikintu kimwe gusa. Uruganda-rutaziguye rugizwe na garanti yaguye hamwe na gahunda yo kubungabunga.

• Kugabanya Igihe Cyambere: Gahunda yumusaruro itaziguye yihutisha itangwa, ingenzi kubice byubushakashatsi bwigihe.
• Ubwubatsi bwihariye: Guhindura inguni cyangwa ibinyabiziga bisobanura bishyirwa mubikorwa, byemeza neza.
• Ibice by'ibicuruzwa bihuza: Kwemeza kugera kubintu byumwimerere birinda ibibazo byo guhuza bivuka hamwe nabasimbuye rusange.
• Amahugurwa ya tekiniki: Ababikora akenshi bashiramo kurubuga cyangwa imyitozo isanzwe kubakozi bashinzwe kubungabunga, kuzamura umutekano wibikorwa.

Ibisobanuro bya tekiniki n'ibiranga ibishushanyo

Ibigezweho Umufana wanjye wa Hote ibice byubakiye kumahame yindege igezweho kugirango yongere umwuka mwinshi mugihe hagabanijwe gukoresha ingufu. Igishushanyo mbonera gihuza imbaraga-zikora neza hamwe na rotor-yuzuye iringaniza kugirango igabanye ihindagurika n urusaku.

Guhitamo ibikoresho nibyingenzi kuramba munsi yubutaka. Ubusanzwe casings yubatswe mubyuma byo murwego rwohejuru bivura hamwe na anti-ruswa kugirango irwanye amazi ya acide hamwe nubushuhe. Abimura barashobora gukoresha aluminiyumu cyangwa ibishimangira imbaraga bitewe nibisabwa byikirere.

Kurinda moteri nibyo byingenzi. Ibice biranga ibyiciro byokwirinda bikwiranye nubushyuhe bwo hejuru kandi akenshi byemewe gukoreshwa mubirere bishobora guturika (ATEX cyangwa MSHA ikurikiza). Imiyoboro ihindagurika ya VFDs (VFDs) iragenda iba isanzwe, ituma abayikoresha bahindura igipimo cyumuyaga mukirere hashingiwe kumibare ikurikirana ya gazi.

Ibice by'ingenzi Kumeneka

Gusobanukirwa ubwubatsi bwimbere bifasha muguhitamo igice gikwiye kubibazo bya geologiya.

• Igishushanyo mbonera: Umwirondoro wogukoresha neza ugabanya imivurungano no kongera ubushobozi bwumuvuduko.
• Inteko ya moteri: Kuzunguruka bifunze birinda umukungugu utwara hamwe nubushuhe.
• Ibice byo gucecekesha: Ibyumba bya acoustic dampening ibyumba bigabanya urusaku rwibikorwa kugirango byuzuze imipaka yubuzima bwakazi.
• Ikadiri yo gushiraho: Ibisumizi biremereye cyangwa ibiziga bifite ibiziga byorohereza kwimuka byoroshye mugihe ubucukuzi bw'amabuye y'agaciro butera imbere.

Kugereranya: Axial na Centrifugal Abafana baho

Guhitamo hagati ya axial na centrifugal ibishushanyo biterwa cyane nibiranga imiterere ya sisitemu yo gucukura amabuye y'agaciro. Ubwoko bwombi bukora umurimo wo guhumeka waho ariko ukaba mwiza mubikorwa bitandukanye.

Abafana ba Axial bimura ikirere kibangikanye nigitereko cya shaft kandi mubisanzwe bikundwa kumuyoboro muremure bitewe nubushobozi bwabo bwo kugumya umuvuduko mukurwanya muke. Biroroshye kandi byoroshye gushira mumwanya ufunzwe.

Abafana ba Centrifugal, kurundi ruhande, basohora umwuka perpendikulari yo gufata. Zibyara umuvuduko mwinshi uhagaze, bigatuma biba byiza kwiruka bigufi hamwe na sisitemu nyinshi cyangwa sisitemu isaba imbaraga zikomeye zo kunesha inzitizi.

Guhitamo Iboneza

Icyemezo matrix kigomba gusuzuma imiterere yihariye yumutwe hamwe nubwihindurize buteganijwe bwa tunnel.

• Kubice Byimbitse: Abafana ba Axial bafite ibyiciro byinshi akenshi ni inganda zinganda zo kugera mumaso ya kure.
• Kubirwanya Byinshi: Niba imiyoboro irimo ibintu byinshi byunamye cyangwa muyungurura, igice cya centrifugal gitanga umutwe ukenewe.
• Kubikorwa bya mobile: Ibice byoroheje bifatika kumurongo wikiziga bitanga uburyo bwiza bwo guhinduka kwihuta.
• Kubyerekeye Ingufu: Ibishushanyo bya kijyambere bigezweho hamwe nibishobora guhinduka birashobora gutanga umusaruro urenze.

Amabwiriza yo Kwishyiriraho Ibikorwa Byiza

Kwishyiriraho neza a Umufana wanjye wa Hote ni ngombwa nkibikoresho ubwabyo. Gushiraho nabi birashobora kuganisha ku kuzenguruka, kugabanya imikorere, hamwe n’umutekano ushobora guhungabana. Inzira itangirana nubushakashatsi bwuzuye bwimbuga kugirango hamenyekane ahantu heza ugereranije nikirere cyiza.

Umufana agomba guhagarikwa neza kurwego rwo hejuru, akomekwa kugirango yirinde kugenda kunyeganyega cyangwa ingaruka zimpanuka. Guhuza imiyoboro yoroheje cyangwa ikomeye bisaba kashe yumuyaga kugirango wirinde kumeneka, bigabanya cyane umwuka mwiza wo mumaso.

Guhuza amashanyarazi bigomba gukurikiza byimazeyo amabwiriza y’ubucukuzi bw’amabuye y'agaciro, ukoresheje neza agasanduku gahuza hamwe n’ibisasu bitagira ibisasu. Mbere yo gutangira gukora, kugenzura kuzenguruka byemeza ko uwuzunguruka azunguruka mu cyerekezo cyiza cyo kubyara indege igenewe.

Intambwe ku yindi Gahunda yo Kwishyiriraho

Gukurikiza uburyo butunganijwe bigabanya ingaruka kandi bigahita byitegura gukora.

• Gutegura Urubuga: Kuraho agace k'imyanda kandi urebe ko igisenge hasi hasi bihamye bihagije kugirango bishyigikire uburemere bwikigo.
• Umwanya: Shira umuyaga byibuze muri metero 10 uvuye aho umuhanda ugaruka kugirango wirinde gutembera kwumwuka.
• Umuyoboro uhuza: Ongeraho igice cyinzibacyuho hagati yumufana numuyoboro wingenzi, ubizirikane hamwe na clamp ziremereye.
• Amashanyarazi: Huza insinga z'amashanyarazi ukoresheje amashanyarazi yemewe, urebe ko umutekano wose uhuza.
• Ikizamini: Koresha umufana kumuvuduko muke ubanza, urebe niba kunyeganyega bidasanzwe cyangwa urusaku mbere yo kuzamuka kubushobozi bwuzuye.
• Kugenzura ikirere: Koresha anemometero kugirango upime umuvuduko kumpera yumuyoboro, wemeza ko wujuje ibyifuzo byumushinga uhumeka.

Kubungabunga Porotokole no Gukemura Ibibazo

Imikorere irambye yibikoresho byo guhumeka ishingiye kuri gahunda yo kubungabunga gahunda. Ibidukikije byo munsi y'ubutaka birakaze, birundanya ivumbi nubushuhe bushobora gutesha agaciro imashini zikoreshwa mugihe runaka. Igenzura risanzwe ririnda kunanirwa gutunguranye gushobora guhagarika umusaruro.

Ibikorwa byingenzi byo kubungabunga birimo amavuta yo kwisiga, kugenzura umukandara (niba bishoboka), no gusukura ibyuma byangiza kugirango uburinganire. Amashanyarazi agomba kugenzurwa kugirango akomere hamwe nibimenyetso bya arcing cyangwa ruswa.

Gukemura ibibazo bisanzwe bikubiyemo gusesengura uburyo bwo kunyeganyega cyangwa umukono wijwi. Kugabanuka gutunguranye kwumwuka mubisanzwe byerekana guturika cyangwa guhagarara, mugihe urusaku rwinshi rushobora kwerekana ko rwangiritse cyangwa rwangiritse.

Kugenzura Urutonde

Gushyira mubikorwa urutonde rwibikorwa byongerera ubuzima ubuzima bwa Umufana wanjye wa Hote.

• Igenzura rya buri munsi: Reba ibyangiritse kumubiri, ibihindagurika, nurusaku rudasanzwe mugihe ukora.
• Isuku ya buri cyumweru: Kuraho kwirundanya umukungugu mumashini akonjesha moteri hamwe ninzu yabafana kugirango wirinde ubushyuhe bwinshi.
• Gusiga buri kwezi: Gusiga amavuta ukurikije ibicuruzwa byakozwe, wirinda gusiga amavuta.
• Ikizamini cya buri gihembwe cy'amashanyarazi: Kugenzura irwanya insulation no kugenzura ubusugire bwa sisitemu yo hasi.
• Kuvugurura buri mwaka: Gusenya ibice byingenzi kugirango ugenzurwe neza, usimbuze kashe yambarwa cyangwa ibyuma nkuko bikenewe.

Porogaramu Hirya no hino mu Mirenge itandukanye

Ubwinshi bwabafana baho bahumeka butuma ari ntangarugero muburyo butandukanye bwo kuvoma. Kuva mu bucukuzi bwa zahabu ikomeye kugeza ku makara yoroshye, ibikenerwa byumwuka mwiza bikomeza guhoraho, nubwo ibibazo byihariye bitandukanye.

Mu gucukura amakara, ibyago byo kwegeranya metani bisaba abafana bafite ibyemezo bikomeye biturika. Ibi bice bigomba gukora ubudahwema kugirango gazi igabanuke kurenza amategeko ateganijwe, akenshi ihuzwa na sisitemu yo kugenzura gazi yikora.

Ubucukuzi bw'amabuye bukomeye, burimo ibyuma nk'umuringa cyangwa icyuma, bugaragaza ibibazo bijyanye n'umukungugu wa silika hamwe na mazutu ya mazutu ivuye mu mashini ziremereye. Hano, umwuka mwinshi mwinshi ningirakamaro kugirango ugabanye ibyo bihumanya neza. Imashini irambirana ya tunnel (TBM) nayo yishingikiriza cyane kumuyaga uhatirwa kugirango ucunge ubushyuhe numwotsi mumashanyarazi maremare, afunze.

Icyerekezo-Igisubizo cyihariye

Guhuza ingamba zo guhumeka muburyo bwihariye bwo gucukura byongera umutekano n'umusaruro.

• Imitwe y'Iterambere: Irasaba guhatira abafana gusunika umwuka mwiza mumaso yapfuye aho gucukura no guturika bibera.
• Ibyumba by’impunzi: Abafana biyeguriye urusaku ruke baremeza ko umwuka uhumeka uhoraho mugihe cyo gufunga byihutirwa.
• Kugabanuka Ibitereko: Abafana ba Booster bashyizwe kumurongo muremure kugirango batsinde igihombo kandi bagumane umuvuduko wumwuka.
• Ahantu ho guhagarara: Abafana b'abafasha bafasha mugukuraho umwotsi nyuma yo guturika vuba kugirango bemererwe kongera kwinjira mubikorwa bya mucking.

Ibipimo byumutekano no kubahiriza amabwiriza

Kubahiriza amahame yumutekano mpuzamahanga ndetse n’ibanze ntabwo biganirwaho kuri buriwese Umufana wanjye wa Hote. Ababikora bagomba gushushanya ibikoresho byujuje protocole igerageza yo kubura umuriro, umutekano w'amashanyarazi, n'ubunyangamugayo.

Impamyabumenyi nka MSHA (Mine Safety and Health Administration) muri Amerika, ATEX i Burayi, cyangwa ibipimo bihwanye n’igihugu byemeza ko ibikoresho bishobora gukora neza ahantu hashobora guteza akaga. Izi mpamyabumenyi zemeza ko umufana atazatwika imyuka yaka nubwo haba hari amakosa.

Kugenzura buri gihe sisitemu yo guhumeka nababigize umwuga bemeza ko byubahirizwa. Inyandiko zerekana imikorere yabafana no gufata neza ibiti bisabwa ninzego zibishinzwe kugirango bigaragaze ko umwuka uhagije uhora ubungabungwa igihe cyose.

Ibyangombwa byingenzi bisabwa

Gusobanukirwa ibibanza bigenga bifasha muguhitamo ibikoresho byujuje ubuziranenge.

• Ibimenyetso biturika: Moteri hamwe n’amashanyarazi bigomba kubuza urumuri rwimbere gutwika imyuka yo hanze.
• Kurwanya umuriro: Ibikoresho bifatika hamwe numuyoboro bigomba kwihanganira ubushyuhe bwo hejuru bitagize uruhare mu gukwirakwiza umuriro.
• Imipaka ntarengwa: Ibikoresho bigomba gukora mumipaka ya decibel isobanurwa namategeko yubuzima n’umutekano ku kazi.
• Kugenzura imikorere: Laboratoire yigenga ikunze kugenzura ibyuka byumuyaga nibisabwa mbere yuko ibyemezo bitangwa.

Ibyerekeye Ibikorwa Byacu Byiza

Inyuma ya buri gice-cyiza cyane ni kwiyemeza ubuziranenge nuburambe. Abafana ba Zibo Hongcheng, iherereye muri Zibo Blower Industrial Park mu Ntara ya Shandong, mu Bushinwa, ni gihamya yo kwitanga. Ryashinzwe muri 2020 nabashinze birata imyaka 20 yubumenyi bwinganda, ikigo cyacu gifite metero kare 9000 gikoresha itsinda ryabahanga ryabakozi barenga 30 bihaye ubwubatsi bwuzuye.

Dufite umwihariko mu nshingano zinyuranye zigizwe nuruhererekane rusaga 50 hamwe n’ibisobanuro 600, twibanze cyane ku bucukuzi bw’amabuye y’amabuye y'agaciro, umuyaga uhumeka wa centrifugal, ibyuma bitagira umwanda, hamwe na moderi irwanya ruswa. Mu gihe imizi yacu iri mu bucukuzi bw'amabuye y'agaciro, ibisubizo byacu bikomeye byiringirwa mu bucukuzi bwa peteroli, inganda z’imiti, metallurgie, amashyiga, imyenda, n’inganda zubaka.

Hamwe nibikoresho byuzuye hamwe na sisitemu yo gucunga neza, turemeza ko buri cyerekezo cya tekiniki cyujuje cyangwa kirenze ibipimo byigihugu. Waba ukeneye icyitegererezo gisanzwe cyangwa igisubizo cyihariye, ubushobozi bwacu bwo gukora ibicuruzwa byihariye biradufasha guhuza ibicuruzwa biva mubikorwa byawe byihariye, bikora neza ndetse no mubidukikije bikaze.

Ibibazo Bikunze Kubazwa (Ibibazo)

Gukemura ibibazo bisanzwe bifasha gusobanura guhitamo no gukora bya sisitemu yo guhumeka. Ibi bibazo byerekana impungenge zukuri kwisi zihura nabashinzwe gucukura amabuye y'agaciro n'abashinzwe umutekano.

Nigute nabaze ikirere gikenewe kugirango umutwe wanjye?

Ibisabwa mu kirere biterwa n'umubare w'abakozi, gukoresha ibikoresho bya mazutu, na gahunda yo guturika. Amabwiriza yinganda asanzwe yerekana umuvuduko ntarengwa wa 0.5 m / s kugirango wirinde gushyira gaze, ariko kubara byihariye bigomba gukurikiza amategeko agenga ibikorerwa hashingiwe ku isoko yanduye cyane.

Aba bafana barashobora gukorera ahantu hafite ubuhehere bwinshi?

Yego Umufana wanjye wa Hote moderi, harimo nuruhererekane rwihariye rwirwanya ruswa ruva mu bafana ba Zibo Hongcheng, ruvurwa cyane cyane hamwe na anti-ruswa kandi bagakoresha moteri ya IP yagenewe ubuhehere bwinshi. Nyamara, kugenzura buri gihe kubyubaka birasabwa kurinda umutekano w'amashanyarazi.

Ni ubuhe buzima busanzwe bwumufana uhumeka?

Hamwe no kubungabunga neza, ibi bice birashobora gukora neza mumyaka 10 kugeza 15 cyangwa irenga. Igihe nyacyo cyo kubaho giterwa n'uburemere bwibidukikije, inshuro zikoreshwa, no kubahiriza amavuta yo kwisiga no gukora isuku.

Ese umuvuduko wihuta uhindagurika uhuza na moderi zose?

Benshi mubakunzi binganda zigezweho bahujwe na VFDs, zituma habaho kugenzura neza ikirere no kuzigama ingufu. Ni ngombwa kwemeza guhuza moteri hamwe na tekinoroji yihariye yo gutwara kugirango wirinde ibibazo byo kugoreka ibintu.

Ni kangahe ibice bisimburwa bishobora gutangwa?

Nkuruganda-rutunganya uruganda rufite urunigi rwuzuye, turabika ububiko bwibikoresho byingenzi nkibimoteri, ibyuma, hamwe ninteko za moteri. Ibicuruzwa bisanzwe birashobora koherezwa muminsi mike, bikagabanya igihe cyo gusana byihutirwa.

Ibizaza muri tekinoroji ya Mine

Ejo hazaza h'umwuka wanjye ugenda ugana kuri 智能化 (ubwenge) na sisitemu zikoresha. Kwishyira hamwe hamwe na sensor ya IoT ituma mugihe gikwiye cyo kugenzura ubwiza bwikirere, imikorere yabafana, nogukoresha ingufu. Ubu buryo bushingiye ku makuru butuma habaho guhanura, aho ibibazo byakemuwe mbere yuko bitera kunanirwa.

Ingufu zikomeza kuba umushoferi wiganje. Ibishushanyo mbonera bya aerodinamike hamwe na moteri ikora neza bigabanya ikirere cya carbone ibikorwa byubucukuzi. Mugihe ibiciro byingufu bizamuka, ROI mukuzamura ibishya, neza Umufana wanjye wa Hote icyitegererezo kigenda gikurura.

Automation nayo igira uruhare mubikorwa bya kure. Abafana barashobora kugenzurwa uhereye kubuyobozi bwikigo, guhindura ibisohoka mu buryo bwikora bishingiye kubitekerezo bya sensor bivuye kumurimo ukora. Ibi bigabanya abakozi bakeneye kwinjira muri zone zangiza kugirango bahindure intoki.

Udushya dushya

Kugumya kumenya iterambere ryikoranabuhanga bituma ibikorwa byigihe kirekire bikora neza.

• Ibyumviro byubwenge: Ibikoresho byashyizwemo bikurikirana ihindagurika nubushyuhe, bikamenyesha amakipe kunanirwa gukanika.
• Gukwirakwiza AI: Algorithms isesengura imiterere yimyuka kugirango itange ibitekerezo byiza byabafana kugirango bikore neza.
• Icyatsi kibisi: Gutezimbere ibintu byoroheje, bisubirwamo bigabanya ibiciro byubwikorezi nibidukikije.
• Imbaraga za Hybrid: Ubushakashatsi bwabafashijwe na bateri cyangwa izuba-bivanga nabafana ahantu hitaruye hataboneka gride.

Umwanzuro nuyobora

Guhitamo iburyo Umufana wanjye wa Hote nicyemezo gikomeye kigira ingaruka kumutekano, kubahiriza, no gukora neza. Muguhitamo uruganda ruzwi nka Zibo Hongcheng Fans, rutanga ibiciro bitaziguye mu ruganda hamwe n’imyaka myinshi y’ubuhanga bukomatanyije, amasosiyete acukura amabuye y'agaciro afite ibikoresho byujuje ubuziranenge bijyanye n’ibibazo by’imiterere n’ikirere.

Aka gatabo kagaragaje ibintu by'ingenzi, protocole yo kwishyiriraho, hamwe n'ingamba zo kubungabunga bisabwa kugirango wongere agaciro k'ishoramari ryawe. Waba ukeneye umuvuduko mwinshi wa centrifugal cyangwa abafana benshi ba axial, gusobanukirwa ibyo ukeneye nintambwe yambere igana ikirombe gifite umutekano.

Ninde ukwiye gukoresha ibisubizo? Abacukuzi b'amabuye y'agaciro bayobora imitwe yiterambere, abayobozi bashinzwe umutekano bashinzwe gukwirakwiza gaze, nabashinzwe gutanga amasoko bashaka ibikoresho bihendutse, biramba bazasanga ayo mahitamo ataziguye. Kubiteguye kuzamura ibikorwa remezo byabo byo guhumeka cyangwa gutangiza umushinga mushya, kuvugana nitsinda ryacu ryubwubatsi kugirango dusuzume neza ni intambwe ikurikira. Kureba ko umwuka uhagije uhagije ntabwo ari itegeko risabwa gusa; ni ishingiro ryibikorwa byubucukuzi burambye kandi butekanye.