Impamvu n'ingamba zo kurwanya ipfundo n'ibyangiritse by'agakarito

Impamvu n'ingamba zo kurwanya ipfundo n'ibyangiritse by'agakarito

1, Impamvu y'ikibazo
（1） Isakoshi ibyibushye cyangwa isakoshi ikomeye
1. Guhitamo nabi ubwoko bw'inkombe
Uburebure bwa tile ya A ni bwo burebure cyane. Nubwo impapuro zimwe zifite ubushobozi bwo guhangana n’umuvuduko uhagaze neza, ntabwo ari nziza nk’iya tile ya B na C mu muvuduko w’ikirere. Nyuma y’uko tile ya A ishyizwemo ibintu, mu gihe cyo kuyitwara, tile izahura n’ihindagurika ry’ikirere n’iry’uburebure, kandi ingaruka zisubirwamo hagati y’aho ipakiye n’iteramakote zizatuma urukuta rw’iteramakote rugabanuka, bigatera ikibazo.Agasanduku ka shokora
2. Ingaruka zo gukusanya amashu arangiye
Iyo ibicuruzwa bishyizwe mu bubiko bw'ibicuruzwa byarangiye, akenshi biba bishyizwe hejuru cyane, akenshi bikagira amashu abiri. Mu gihe cyo gushyira amashu mu mashu, impinduka z'imbaraga z'amashu, cyane cyane ikarito yo hasi, ni inzira "yo kwihisha". Ikiranga ni uko umutwaro uhamye ukora ku mashu mu gihe kirekire. Amashu azatuma habaho kwihisha guhoraho munsi y'umutwaro uhoraho. Iyo umuvuduko uhoraho ukomeje kugumaho igihe kirekire, amashu ahita agwa kandi akangirika. Kubwibyo, amashu yo hasi cyane ashyizwe ku mashu akunze kubyimba, kandi amwe muri yo arashwanyagurika. Iyo ikarito ishyizwe ku gitutu gihagaze, kwihisha hagati y'ubuso bw'ikarito ni ko kuba kunini, kandi imiterere nyuma yo gushwanyagurika isa nkaho ari parabola yo kwihisha. Ikizamini kigaragaza ko iyo agasanduku kari ku gitutu gakanzwe, imbaraga ziri ku mfuruka enye ni zo nziza, kandi imbaraga ziri hagati y'inkombe zinyura hejuru ni zo mbi cyane. Kubwibyo, ikirenge cy'isahani yo hejuru gikanzwe hagati y'ikarito, bigatuma ikarito icika cyangwa igahinduka burundu. Kandi kubera ko icyuho cy'ikibaho cyo gupfukamo ari kinini cyane, inguni y'ikato iragwamo, bigatuma ikato iba nini cyangwa ibyimbye.Agasanduku k'ibiribwa
3. Ingano nyayo y'uburebure bw'agasanduku ntiragaragazwa
Uburebure bw'agakarito k'udusanduku tw'ibinyobwa birimo karubone n'ibigega by'amazi muri rusange bugenwa n'uburebure bw'agacupa k'amacupa arimo ibikubiye muri ayo macupa hamwe na mm 2. Kubera ko amakarito ahora afite umutwaro udahinduka igihe kirekire kandi agakorwaho, agahindagurika kandi agakubitwa mu gihe cyo kuyatwara, ubugari bw'urukuta rw'amakarito burushaho kuba buto, kandi igice cy'uburebure kiyongera, bigatuma uburebure bw'agakarito burenga uburebure bw'icupa, bityo bigatuma ibinure cyangwa kubyimba kw'amakarito bigaragara cyane.Agasanduku ka bombo
（2） Umubare munini w'amakarito wangiritse bitewe n'ibintu bikurikira:
1. Imiterere y'agasanduku k'agasanduku ntabwo ikwiye
Uburebure, ubugari n'uburebure bw'ikaroso bifitanye isano rya hafi n'ibyangiritse by'ikaroso. Ingano y'ikaroso muri rusange igenwa hakurikijwe umubare w'amacupa agomba kuzuzwa n'uburebure bw'amacupa. Uburebure bw'ikaroso ni umubare w'amacupa mu cyerekezo cya mpandeshatu × Umurambararo w'icupa, ubugari bw'ikaroso ni umubare w'amacupa mu cyerekezo cyagutse × Umurambararo w'icupa n'uburebure bw'ikaroso muri rusange ni uburebure bw'icupa. Umuzenguruko w'ikaroso ungana n'urukuta rwose rwo ku ruhande rushyigikira umutwaro w'ikaroso. Muri rusange, uko umuzenguruko uba muremure, niko imbaraga zo gukanda ziba nyinshi, ariko uku kwiyongera ntabwo kuringaniye. Niba umuzenguruko w'impande enye ari munini cyane, ni ukuvuga ko umubare w'amacupa ari mu gikoresho ari munini cyane, uburemere rusange bw'ikaroso yose ni bwinshi, kandi ibisabwa kuri karoso nabyo ni byinshi. Ingufu nyinshi zo gukanda n'imbaraga zo guturika birakenewe kugira ngo ikarito ikoreshwe neza. Bitabaye ibyo, ikaroso biroroshye kwangirika mu gihe cyo kuyizenguruka. 596mL ku isoko × Mu makarito yose, amacupa 24 y'ibigega by'amazi meza ni yo yangiritse cyane bitewe n'uburemere bwayo bunini hamwe n'amakarito y'itala imwe, byoroshye kwangirika mu gihe cyo gutembera. Agasanduku k'amatari
Iyo uburebure n'ubugari bw'ikatoni ari bimwe, uburebure bugira ingaruka zikomeye ku mbaraga zo gukandagira z'ikatoni irimo ubusa. Iyo impande enye z'ikatoni zimeze kimwe, imbaraga zo gukandagira zigabanukaho hafi 20% iyo uburebure bw'ikatoni bwiyongere.
2. Ubunini bw'urubaho rwa corrugated ntibushobora kuzuza ibisabwa
Kubera ko agakoresho ka corrugation kazambarwa mu gihe cyo gukoreshwa, ubugari bw'urubaho rwa corrugation ntibushobora kuzuza ibisabwa byagenwe, kandi imbaraga zo gukandagira z'agakarito ni nke, kandi imbaraga z'agakarito nazo zizagabanuka. Agasanduku ko kohereza amabaruwa
3. Guhindura ikarito hakoreshejwe corrugation
Ikarito ikora corrugation ni yoroshye cyane, ifite imbaraga nke kandi irakomeye. Imbaraga zo gukanda no gutobora by'agasanduku ka corrugation gakozwe muri iyo karito nabyo ni bito. Kubera ko imiterere y'urubaho rwa corrugation ifitanye isano itaziguye n'imbaraga zo gukanda za corrugation. Imiterere ya corrugation muri rusange igabanyijemo ubwoko bwa U, ubwoko bwa V n'ubwoko bwa UV. Imiterere ya U ifite ubushobozi bwo kwaguka neza, ubwisanzure kandi ifata ingufu nyinshi. Mu mupaka wa elastic, iracyashobora gusubira uko yari imeze nyuma yo gukuraho igitutu, ariko imbaraga zo gukanda zigororotse ntabwo ziri hejuru kuko imbaraga z'agace ka arc zidahamye. Imiterere ya V ifite ubushobozi bwo gukora ku rupapuro buke, ntifata neza kandi biroroshye gukuraho. Hakoreshejwe imbaraga zihuriweho z'imirongo ibiri ya oblique, gukomera ni byiza kandi imbaraga zo gukanda zirambuye ni nini. Ariko, niba imbaraga zo hanze zirenze umupaka w'igitutu, corrugation izangirika, kandi igitutu ntikizasubizwa nyuma yo gukurwaho. Ubwoko bwa UV bufata ibyiza by'ubwoko bubiri bwa corrugation bwavuzwe haruguru, bufite imbaraga zo gukanda cyane, ubwisanzure bwiza no kugarura elastic, kandi ni ubwoko bwiza bwa corrugation. Agasanduku k'itabi
4. Igishushanyo mbonera kidasobanutse cy'imiterere y'amakarito y'ikarito
Imiterere idahwitse y’ibice by’ikarito bizatuma igipimo cy’ibyangiritse by’ikarito yo hanze cyiyongera. Bityo, umubare w’ibice by’ikarito bikoreshwa muri karito ugomba kureberwa hakurikijwe uburemere, imiterere, uburebure bw’ibice, imiterere y’ububiko n’uburyo bwo gutwara, igihe cyo kubika n’ibindi bintu by’ibicuruzwa bipakiye.
5. Ingufu zo gufata neza kw'ikatoni ni nkeya
Kugira ngo umenye niba ikarito ifatanye neza, gabanya ubuso bw'impapuro ukoresheje intoki. Niba ubuso bw'impapuro bwa mbere bwarangiritse, bivuze ko urupapuro rw'impapuro rufatanye neza; Niba bigaragaye ko nta mpapuro zacitse cyangwa ifu yera iri ku nkengero z'umutwe wa corrugated, ni ugufatana kw'ibinyoma, bizatuma ikarito idakomera neza kandi bigira ingaruka ku mbaraga z'ikato yose. Ingufu z'impapuro zifatanye zijyanye n'urwego rw'impapuro, uburyo zitegurwa, ibikoresho bikoreshwa mu gukora n'imikorere yazo.
6. Igishushanyo mbonera cy'agakarito ni agasanduku k'itabi kadasobanutse
Imiterere n'imiterere ya karito ikozwe muri koriti bigena ubushobozi bwo gutwara igitutu cy'ikarito ikozwe muri koritito. Gucapa bizangiza bimwe mu buryo ikarito ikozwe muri koritito, kandi ingano y'igitutu n'ubuso bw'aho ikoreshwa ni ikintu gikomeye kigira ingaruka ku mbaraga zo gukanda za karito. Iyo igitutu cyo gucapa ari kinini cyane, biroroshye gukanda corrugation no kugabanya uburebure bwa corrugation. Cyane cyane iyo ucapa ku murongo w'imashini, kugira ngo ukore icapiro rikozwe ku ngufu kandi risobanutse neza ku murongo w'imashini, karito yose izamenagurwa kandi imbaraga zo gukanda za karito zizagabanuka cyane, bityo gucapa hano bigomba kwirindwa uko bishoboka kose. Iyo karito yuzuye cyangwa yacapwe hirya no hino, uretse ingaruka zo gukanda za roller yo gushushanya ku kibaho cya koritito, wino inagira ingaruka zo gutose ku buso bw'impapuro, bigabanya imbaraga zo gukanda za karito. Muri rusange, iyo karito yuzuye, imbaraga zayo zo gukanda zigabanukaho 40%.
7. Impapuro zakoreshejwe mu gakarito ntabwo zikwiye kandi ntizujuje ibisabwa
Mu bihe byashize, ibicuruzwa byatwarwaga ahanini n'abakozi mu gihe cyo gutembera, kandi imiterere y'ububiko yari mibi, kandi imiterere y'ubwinshi yari yo shingiro. Kubwibyo, imbaraga zo guturika n'imbaraga zo gutobora byakoreshwaga nk'ibipimo by'ingenzi mu gupima imbaraga z'amakarito. Hamwe n'imashini zikoresha uburyo bwo gutwara no gutembera, imbaraga zo gukanda no gutondeka amakarito byabaye ibipimo by'ingenzi byo gupima imikorere y'amakarito. Mu gushushanya amakarito, imbaraga zo gukanda amakarito ashobora kwihanganira zifatwa nk'imimerere kandi imbaraga zo gukanda zikageragezwa.
Iyo imbaraga nke zo gukanda zitatekerejweho mu gushushanya no kumenya impapuro zo mu gakarito, impapuro zo mu gakarito ntizishobora kugera ku mbaraga zo gukanda zikenewe, ibyo bigatuma agakarito kangirika cyane. Hari amabwiriza asobanutse neza ku mubare w'impapuro zikoreshwa kuri buri bwoko bw'ikarito, kandi itangwa rishobora kuba ringana cyane gusa kandi ntiringana cyane mu gihe cyo guhindura impapuro.
8. Ingaruka z'ubwikorezi
Impamvu nyinshi zitera kwangirika kw'ibicuruzwa mu nzira yo kuzenguruka ziterwa no gutwara nabi cyangwa gupakira ibicuruzwa. Nubwo ingamba zo kurinda gupakira bimwe mu bicuruzwa zageze ku bisabwa byinshi, biracyazangirika. Uretse imiterere idahwitse yo gupakira, impamvu ifitanye isano ahanini n'uburyo bwo gutwara ibintu n'uburyo bwo kubitwara. Ingaruka zo gutwara ibintu ku mbaraga zo gukandagira z'amakarito ahanini ni ugukubita, kunyeganyega no guhagarara. Bitewe n'aho ubwikorezi bwinshi buhurira, ingaruka ku makarito ni nini, kandi uburyo bwo gutwara ibintu inyuma, uburyo bwo gutwara ibintu bukoreshwa nabi, gukandagira no kugwa kw'abakozi bakora ibintu biroroshye kwangiza.Agasanduku k'ingofero
9. Imicungire mibi y'ububiko bw'umucuruzie
Bitewe n'imikorere migufi n'ubushaje bw'ikatoni, imbaraga zo gukandagira z'ikatoni ya corrugated zizagabanuka uko igihe cyo kubika kigenda cyongera.
Byongeye kandi, ubushuhe mu bubiko bw'ibikoresho bigira ingaruka zikomeye ku mbaraga z'amakarito. Amakarito ashobora gukurura no kwinjiza amazi mu bidukikije. Ubushuhe mu bubiko bw'ibikoresho ni bwinshi cyane, kandi imbaraga z'agasanduku kari mu bubiko ziragabanuka.
Abacuruzi bakunze kurunda ibicuruzwa hejuru cyane kubera ahantu hato ho kubika ibintu, ndetse bamwe barunda ibicuruzwa hejuru y’inzu, ibyo bigira ingaruka zikomeye ku mbaraga z’amakarito. Iyo imbaraga zo gukandagira z’ikarito zipimwe hakoreshejwe uburyo busanzwe ari 100%, ikarito izagwa mu munsi umwe iyo 70% by’umutwaro udahinduka wongewe ku ikarito; Iyo 60% by’umutwaro udahinduka wongeweho, ikarito ishobora kwihanganira ibyumweru 3; Ku kigero cya 50%, ishobora kwihanganira ibyumweru 10; Ishobora kwihanganira igihe kirenze umwaka umwe kuri 40%. Ibi bigaragarira muri ibi ko iyo irundanijwe hejuru cyane, kwangirika kw’ikarito bihitana.Agasanduku k'imigati
2, Ingamba zo gukemura ikibazo
（1） Ingamba zo gukemura ibinure cyangwa agakarito gafite ibinure:
1. Garagaza ubwoko bwa koritike bw'ikarato nk'ubwoko bwa koritike bukwiye. Mu bwoko bwa koritike yo mu bwoko bwa A, ubwoko bwa C n'ubwoko bwa B, uburebure bwa koritike yo mu bwoko bwa B ni bwo bwo hasi. Nubwo imbaraga zo guhangana n'igitutu gihagaze ari nke, igitutu cy'ikirere ni cyo cyiza kurusha ibindi. Nubwo imbaraga zo gukandagira z'ikarato irimo ubusa zizagabanuka nyuma yo gukoresha koritike yo mu bwoko bwa B, ibirimo bifite
Inkunga, ishobora gutwara igice cy'uburemere bwo gukusanya iyo ikusanyirijwe hamwe, bityo ingaruka zo gukusanya ibicuruzwa nazo ni nziza. Mu bikorwa byo gukora, imiterere itandukanye ya corrugated ishobora gutoranywa hakurikijwe imiterere yihariye.Agasanduku ka safuroni
2. Kunoza uburyo ibicuruzwa bishyirwa mu bubiko
Niba aho ububiko buherereye hakwemerera, gerageza kudashyiramo amasuka abiri hejuru. Niba ari ngombwa gushyiramo amasuka abiri hejuru, kugira ngo wirinde ko imizigo irushaho kwiyongera mu gihe cyo gushyiramo ibikoresho byarangiye, agace k'ikarati gashobora gushyirwa hagati mu gipfunyika cyangwa agakoreshwamo isuka irambuye.
3. Kumenya ingano nyayo y'agakarito
Kugira ngo tugabanye ikibazo cy'ibinure cyangwa kubyimba, kandi tugaragaze ingaruka nziza zo gukurura, dushyiraho uburebure bw'agakarito nk'ubw'icupa, cyane cyane ku gakarito k'ibinyobwa birimo karubone n'ikigega cy'amazi meza gifite uburebure buri hejuru.Agasanduku k'imyenda
（2） Ingamba zo gukemura ibyangiritse mu ikarito:
1. Ingano y'agakarito gakozwe neza
Mu gushushanya amakarito, uretse gutekereza uburyo bwo gukoresha ibikoresho bike cyane munsi y’ingano runaka, isoko rigomba kandi kuzirikana ingano n’uburemere bw’ikato imwe, uburyo bwo kugurisha, amahame agenga imiterere, n’uburyo bworoshye n’ubusobanuro bw’imiterere y’imbere y’ibicuruzwa. Dukurikije ihame rya ergonomics, ingano ikwiye y’ikato ntabwo izatera umunaniro n’imvune ku bantu. Uburyo bwo gutwara ibintu buzahinduka kandi ibyago byo kwangirika biziyongera bitewe n’uburyo amakarito apakiye biremereye. Dukurikije ubucuruzi mpuzamahanga, uburemere bw’ikato bugarukira kuri 20kg. Mu kugurisha mu buryo nyabwo, ku bicuruzwa bimwe, uburyo butandukanye bwo gupakira bufite ukunzwe gutandukanye ku isoko. Kubwibyo, mu gushushanya amakarito, tugomba kugerageza kumenya ingano y’amapaki dukurikije uburyo bwo kugurisha.
Bityo rero, mu gihe cyo gushushanya ikarito, ibintu bitandukanye bigomba gusuzumwa mu buryo bwuzuye kugira ngo hongerwe imbaraga zo gukandagira ikarito nta kongera ikiguzi no kugira ingaruka ku mikorere yayo. Nyuma yo gusobanukirwa neza imiterere y'ibirimo, menya ingano ikwiye y'ikato.agasanduku k'amavuta
2. Urubaho rwa koriti rugera ku bunini bwagenwe
Ubunini bw'urubaho rwa corrugated bugira ingaruka zikomeye ku mbaraga zo gukandagira z'ikaro. Mu gikorwa cyo gukora, corrugating roller irashaje cyane, bigatuma ubunini bw'urubaho rwa corrugated bugabanuka, kandi imbaraga zo gukandagira z'ikaro nazo zikagabanuka, bigatuma umuvuduko wo gukandagira kw'ikaro wiyongera.
3. Kugabanya ubwihindurize bwa corrugated
Mbere na mbere, tugomba kugenzura ubwiza bw'impapuro z'ibanze, cyane cyane ibimenyetso bifatika nk'imbaraga z'impeta n'ubushuhe bw'impapuro z'ibanze za corrugated. Icya kabiri, inzira y'ikarito ya corrugated yigwa kugira ngo ihindure corrugated deformation iterwa no kwangirika kw'ikarito ya corrugated roller n'umuvuduko uhagije hagati y'ikarito za corrugated roller. Icya gatatu, kunoza uburyo bwo gukora ikarito, gukosora icyuho kiri hagati y'imashini zitanga impapuro zo gukora ikarito, no guhindura icapiro rya corrugated muri flexographic printing kugira ngo igabanye corrugated deformation. Muri icyo gihe, tugomba kandi kwita ku gutwara amakarito. Tugomba kugerageza gutwara amakarito mu modoka kugira ngo tugabanye corrugated deformation iterwa no gufatana kw'amatara n'imigozi no gukandagira kw'ibikoresho byo gushyiramo imyanda.
4. Kora imiterere ikwiye y'ikariti ikozwe mu buryo bwa corrugated
Ikarito ya korrugasiyo ishobora kugabanywamo urwego rumwe, urwego rutatu, urwego rushanu n'urwego rwirindwi bitewe n'umubare w'urwego. Uko urwego rwiyongera, igira imbaraga nyinshi zo gukanda no gukomera mu gupfunyika. Bityo, ishobora gutoranywa hakurikijwe imiterere y'ibicuruzwa, ibipimo by'ibidukikije n'ibyo umuguzi akeneye.
5. Kongera imbaraga zo kugenzura imbaraga zo gukuraho udusanduku twa corrugated
Imbaraga zo gufatanya impapuro z’ibanze zangiritse n’impapuro zo mu maso cyangwa impapuro z’imbere mu gakarito zishobora kugenzurwa n’igikoresho cyo gupima. Niba imbaraga zo gukata zidahuye n’ibisabwa bisanzwe, shakisha impamvu. Umutanga serivisi asabwa kongera igenzura ry’ibikoresho fatizo bya karito, kandi ubukana n’ubushuhe by’impapuro bigomba kuba byujuje ibisabwa n’igihugu. Imbaraga zo gukata zisabwa n’amahame y’igihugu zishobora kugerwaho binyuze mu kunoza ubwiza n’ibikoresho bya kole.
6. Igishushanyo mbonera cy'agakarito gikwiye
Ikarito igomba kwirinda gucapa ibikoresho byose hamwe no gucapa imirongo igororotse uko bishoboka kose, cyane cyane gucapa hagati mu ikarito, kuko akazi kayo ari kamwe n'umurongo wo gucapa utambitse, kandi igitutu cyo gucapa kizacana corrugate. Mu gushushanya ubuso bw'ikarito, umubare w'amabara ugomba kugabanuka uko bishoboka kose. Muri rusange, nyuma yo gucapa monochrome, imbaraga zo gukanda za karito zizagabanukaho 6% - 12%, mu gihe nyuma yo gucapa amabara atatu, bizagabanukaho 17% - 20%.
7. Kugena amabwiriza akwiye agenga impapuro
Mu buryo bwihariye bwo gushushanya impapuro zo mu gakarito, hagomba gutoranywa impapuro z'ibanze zikwiye. Ubwiza bw'ibikoresho fatizo ni cyo kintu cy'ingenzi kigena imbaraga zo gukanda za karito. Muri rusange, imbaraga zo gukanda za karito zijyanye neza n'uburemere, ubukana, gukomera, imbaraga zo gukanda impeta n'ibindi bimenyetso by'impapuro z'ibanze; Bijyanye n'amazi. Byongeye kandi, ingaruka z'ubwiza bw'impapuro z'ibanze ku mbaraga zo gukanda za karito ntizishobora kwirengagizwa.
Kubwibyo, kugira ngo tumenye neza ko dufite imbaraga zihagije zo gukanda, tugomba kubanza guhitamo ibikoresho fatizo byiza. Ariko, mu gihe dushushanya impapuro zo mu gakarito, ntukongere uburemere n'urwego rw'impapuro mu buryo butari bwo, kandi wongere uburemere bwose bw'ikarito. Mu by'ukuri, imbaraga zo gukanda z'agakarito gakozwe mu buryo buteye ubwoba ziterwa n'ingaruka zihuriweho z'imbaraga zo gukanda impeta z'impapuro zo mu maso n'impapuro zo mu maso zikozwe mu buryo buteye ubwoba. Impapuro zo mu maso zikozwe mu buryo buteye ubwoba zigira ingaruka zikomeye ku mbaraga, bityo haba mu mbaraga cyangwa mu bukungu, ingaruka zo kunoza imikorere y'impapuro zo mu maso zikozwe mu buryo buteye ubwoba ni nziza kuruta izo kunoza urwego rw'impapuro zo mu maso, kandi zirahendutse cyane. Impapuro zikoreshwa mu gakarito zishobora kugenzurwa ujya aho umucuruzi akorera kugira ngo zigenzurwe, ufata ingero z'impapuro zo mu rufatiro kandi upime ibimenyetso bitandukanye by'impapuro zo mu rufatiro kugira ngo wirinde akazi kabi n'ibikoresho bibi.
8. Kunoza ubwikorezi
Gabanya umubare w'ibicuruzwa bitwarwa n'ibicuruzwa, koresha uburyo bwo kubigeza hafi, kandi unoze uburyo bwo kubitwara (ni byiza gukoresha uburyo bwo gutwara ibikoresho mu masahani yo gukaraba); Kwigisha abatwara imizigo, kunoza ubumenyi bwabo, no guhagarika uburyo bwo kubitwara nabi; Mu gihe cyo kubipakira no kubitwara, witondere kwirinda imvura n'ubushuhe, kandi ibyo gufata ntibigomba kuba bifunganye cyane.
9. Gukomeza imicungire y'ububiko bw'abacuruzi
Ihame ryo kwinjira mbere, gusohoka mbere rigomba gukurikizwa ku bicuruzwa bigurishwa. Umubare w'ibice bishyirwamo ntugomba kuba munini cyane, kandi ububiko ntibugomba kuba butose cyane, kandi bugomba kuguma bwumutse kandi bufite umwuka uhumeka.