Ko e mahuʻinga fufuuʻi ʻo ha LED ʻoku tolonga

ʻI he taimi ʻoku ke fakatau ai ha maama LED, ʻoku ke fakatau ha meʻa lahi ange ʻi he maama pe; ʻOku ke ʻinivesi ʻi ha ngaahi taʻu lahi ʻo e ngaue falalaʻanga mo lelei ʻa e ivi. Ko e talaʻofa ʻo ha lifespan houa ʻe 50,000 ko e taha ia ʻo e ngaahi tefitoʻi ʻuhinga ʻoku tau fili ai ʻa e LED ʻi he ngaahi tekinolosia motuʻa ange. Neongo ia, ʻoku ʻikai ko ha meʻa noa pe ʻa e moʻui loloa ko ʻeni. Ko e ola ia ʻo e ʻenisinia fefeka, pea ko e meʻa mahuʻinga taha, ko ha ngaahi founga lahi ki hono puleʻi ʻo e tuʻunga lelei ʻoku fakahoko kimuʻa pea aʻu ʻa e mama ki he funga laupapa ʻo e falekoloa. ʻOku kau ʻi he ngaahi founga mahuʻinga taha ʻo e ngaahi founga ko ʻeni ʻa e sivi ʻo e toulekeleka. Neongo ʻe ongo hange ha kiʻi vahaʻataimi faingofua ʻo e "vela", ko e sivi ʻo e motuʻa ko ha founga faingataʻa mo kehekehe ia ʻoku fakataumuʻa ke toʻo ʻa e ngaahi fehalaaki ʻe ala hoko, fakapapauʻi ʻa e ngaue ʻa e mafana ʻo e ʻea, pea fakapapauʻi ʻe lava ʻe he konga kotoa pe, mei he LED chip ki he fakaʻuli, ʻo matuʻuaki ʻa e faingataʻa ʻo hono fakaʻaongaʻi ʻi he mamani. Ki he ngaahi kautaha hange ko e OAK LED, ʻoku ʻikai ko ha ngaue vakaiʻi ʻo e puha ʻa e sivi ko ʻeni; ko ha tukupa mahuʻinga ia ke fakahoko ʻa e talaʻofa ʻa e kautaha ki he tuʻunga lelei. ʻE vakaiʻi ʻe he fakamatala ko ʻeni ʻa e fie maʻu ʻo e ngaahi sivi motuʻa, fakaikiiki ʻa e founga ʻoku nau fakaʻaongaʻi ʻi ha ngaahi taʻu lahi ʻi ha ngaahi houa pe ʻaho ke fakapapauʻi ko e taimi ʻoku faifai pea fokotuʻu ai ha maama LED, ʻoku mateuteu ia ke fakahoko ʻi hono ola maʻolunga taha hokohoko mo falalaʻanga.

Ko e ha ʻa e LED Aging Test pea ko e ha ʻoku fakahoko ai?

Ko e sivi ʻo e motuʻa ʻo e LED, ʻoku toe ʻiloa foki ko e sivi vela, ko ha founga fakapapauʻi ia ʻo e tuʻunga lelei ʻa ia ʻoku fakalele ai ʻa e ngaahi maama LED kuo ʻosi ʻi he ngaahi tuʻunga ʻoku mapuleʻi, pea faʻa fakavaveʻi, ʻi ha vahaʻataimi loloa kimuʻa pea toki fakangofua ke fakafolau. Ko e tefitoʻi taumuʻa ke ʻiloʻi mo taʻofi ʻa e ngaahi taʻelavameʻa kimuʻa—ʻa e konga ʻoku ui ko e "mate ʻa e valevale" ʻi he moʻui ʻa ha koloa. ʻE lava ke ʻi ai ha ngaahi mele ʻi he ngaahi konga fakaʻilekitulonika, kau ai ʻa e LEDs mo e fakaʻuli, ʻa ia ʻoku ʻikai maʻu ʻe he sivi angamaheni ʻo e sio pe sivi ʻo e ngaue. Ko e ngaahi mele ko ʻeni, hange ko ha hokotanga hui ʻoku vaivai, ko ha konga ʻoku kiʻi fehalaaki, pe ko ha fehalaaki iiki ʻi ha LED chip, mahalo he ʻikai ke ne fakatupu ha maumau lolotonga ha kiʻi sivi miniti ʻe 5. Ka neongo ia, hili ha ngaahi houa siʻi ʻo e ngaue, ʻe lava ke fakatupu ʻe he mafana ʻo e ʻea mo e kavenga fakaʻuhila ʻa e ngaahi vaivaiʻanga ko ʻeni ke maumau. ʻI hono fakamoleki ʻo e mama ʻi ha vahaʻa taimi loloa ange—meimei houa ʻe 24 ki he 48 pe lahi ange, pea taimi ʻe niʻihi ʻo aʻu ki ha uike ʻe taha ki he ngaahi polokalama falalaʻanga maʻolunga—ʻoku hanga ʻe he sivi ʻo e toulekeleka ʻo fakamalohiʻi ʻa e ngaahi taʻemalava ko ʻeni ʻo e mate ʻa e valevale ke hoko ʻi he fale ngaue, ʻa ia ʻe lava ke fakaleleiʻi pe liʻaki ai ʻa e ʻiuniti maumau, kae ʻikai ʻi he nima ʻo e kasitomaa. Ko ha meʻa sivi fakaʻosi mo mahuʻinga ia ʻoku ne fakapapauʻi ko e ngaahi koloa malohi pe ʻoku ngaue kakato ʻoku aʻu ki he maketi, maluʻi ʻa e ongoongo ʻo e kautaha naʻa nau ngaohi mo e ʻinivesi ʻa e tokotaha ʻoku ne fakaʻaongaʻi.

ʻOku anga fefe hono fakahoko ʻo e sivi angamaheni ʻo e toulekeleka?

ʻOku fakamahinoʻi fakalelei ʻa e ngaahi tuʻunga ki ha sivi angamaheni ʻo e motuʻa ke fakatou mapuleʻi mo fakafofongaʻi hono fakaʻaongaʻi moʻoni. ʻOku faʻa fakahoko ʻa e sivi ʻi ha ʻatakai ʻoku ʻikai fakamalohiʻi ʻa e ʻea fakahangatonu ʻi he ngaahi ʻiuniti, ke nau aʻu ki he mafana fakanatula ʻo e ngaue, pea ʻi ha mafana ʻo e ʻatakai ʻoku tuʻu maʻu, ʻoku faʻa tauhi ʻi he vahaʻa ʻo e 20°C mo e 30°C (68°F ki he 86°F). ʻOku mahuʻinga ʻa e mafana ʻo e ʻatakai ʻoku mapuleʻi ko ʻeni ki he repeatability pea mo hono fakapapauʻi ʻoku ʻikai fehalaaki ʻa e ngaahi ola ʻo e sivi ʻe he ngaahi meʻa ʻo e ʻatakai mei tuʻa. ʻOku fokotuʻu ʻa e ngaahi maama ʻi ha founga ʻoku faʻifaʻitaki ki he meʻa naʻe fakataumuʻa ki ai, ʻo fakaʻata ai ʻa e vela angamaheni ʻo fakafou ʻi he ngaahi meʻa vela naʻa nau fokotuʻutuʻu. ʻOku nau "vela angamaheni," ʻa ia ʻoku fakaʻaongaʻi mo fakalele ʻo fakatatau ki honau ngaahi tuʻunga pau. Ko e meʻa mahuʻinga taha, ʻoku fakaʻaongaʻi kinautolu ʻi he voltage ʻoku nau maʻu pe ʻi he ngaahi meʻa ʻe niʻihi, ʻi he voltage lahi taha ʻo honau tuʻunga ke fakatataaʻi ʻa e tuʻunga kovi taha ki he maʻuʻanga ʻuhila. Lolotonga ʻa e vahaʻataimi ko ʻeni, ʻe lava ke toutou vakaiʻi ʻe he kau ngaue pe ngaahi polokalama vakaiʻi ʻotometiki pe ʻoku ʻi ai ha fetapaki, fakafanongo ki ha faʻahinga ngungu ngali kehe mei he fakaʻuli, pea fakapapauʻi ʻoku kei tuʻu maʻu pe ʻa e mama. ʻOku ʻomi ʻe he founga fokotuʻutuʻu ko ʻeni ʻa e ʻuluaki fakapapauʻi ʻoku aʻusia ʻe he tefitoʻi ngaue mo e tuʻunga lelei ʻo e fakatahaʻanga ʻo e maama takitaha ʻa e tuʻunga ʻoku fie maʻu.

ʻOku anga fefe hono tokangaʻi ʻe he sivi ʻo e toulekeleka ʻa e mate ʻa e LED?

ʻOku kehe ʻa e foʻi fakakaukau ʻo e "mate lahi" ʻi he LEDs mei he ngaahi foʻi ʻuhila angamaheni, ka ʻe lava ke hoko ʻa e ngaahi taʻelavameʻa, tautautefito ki he kamataʻanga ʻo e moʻui. ʻI he malumalu ʻo e voltage mo e lolotonga, ʻoku totonu ke maʻulalo ʻaupito ʻa e tuʻunga ʻo e maumau ʻi he taimi pe ko ia. Neongo ia, ʻoku ʻikai ke "angamaheni" maʻu pe ʻa e mamani moʻoni. ʻOku aʻusia ʻe he grid ʻuhila ʻa e surges, spikes, mo e mate fakafokifa. ʻOku fakataumuʻa ʻa e sivi toulekeleka ke fakatataaʻi mo ʻamanaki ki he ngaahi meʻa fakamafasia ko ʻeni. Ke fakapapauʻi ʻe lava ʻe ha maama ʻo matuʻuaki ʻa e ngaahi meʻa angamaheni ko ʻeni, ʻoku faʻa kau ʻi he founga motuʻa ʻa e ngaahi meʻa fefeka ange ʻo mahulu atu ʻi he ngaue hokohoko faingofua. ʻE lava ke kau heni ʻa hono fakamoʻulaloa ʻo e ngaahi mama ki ha ngaahi siakale ʻo e ʻuhila—fakamoʻui mo tamateʻi vave pe ʻi ha ngaahi vahaʻa taimi pau—ke siviʻi ʻa e katakiʻi ʻo e fakaʻuli mo e robustness ʻo e polokalama kotoa. ʻE lava foki ke kau ai hono fakalele ʻo e ngaahi mama ʻi ha voltages maʻolunga ʻi ha ngaahi vahaʻa taimi nounou ke siviʻi ʻa e ngaahi konga ʻo e maʻuʻanga ʻuhila. Ko e taumuʻa ke fakapapauʻi ʻoku feʻunga ʻa e faʻunga ʻo e maʻuʻanga ʻuhila, ʻoku solder maʻu ʻa e ngaahi tuʻunga welding kotoa pe pea lava ke matuʻuaki ʻa e mafana ʻo e ʻea mo e fakasiʻisiʻi, pea kuo aʻu ʻa e ngaue fakalukufua ʻo e laine fakatahaʻanga ki ha tuʻunga ʻoku malava ke matuʻuaki ʻa e ngaahi fakahohaʻasi fakaʻuhila moʻoni. Ko ha maama ʻoku ne lavaʻi ʻa e faʻahinga sivi ko ʻeni ʻoku siʻisiʻi ange ʻa e ngalingali ʻe mate ia ʻi he taimi ʻoku fehangahangai ai mo ha ʻuhila pe ko ha mate fakataimi ʻi hono fola.

Ko e ha ʻoku mahuʻinga ai ʻa e sivi ʻo e mafana ʻo e ʻea ki he dissipation ʻo e vela ʻo e LED?

Mahalo ko e meʻa mahuʻinga taha ʻi he moʻui loloa ʻa e LED ko e ola lelei ʻo e vela. Hange ko ia naʻe fakamatalaʻi ʻi he ngaahi fakamatala kimuʻa, ʻe vave ʻa e vela ʻoku faʻu ʻi he fetaulakiʻanga LED, kapau ʻe ʻikai puleʻi lelei, ʻo fakavaveʻi vave ʻa e holoki ʻo e lumen pea iku ki he maumau taʻehoko. ʻOku fakahoko ʻe he sivi ʻo e motuʻa ha fatongia mahuʻinga ʻi hono fakapapauʻi ʻo e mafana ʻo e ʻea ʻo ha luminaire. Neongo ʻoku fai ʻa e mafana ʻo e ʻea ʻi he lolotonga ʻo e tuʻunga ʻo e fokotuʻutuʻu, ʻoku ʻomi ʻe he sivi ʻo e toulekeleka ha fakamoʻoni empirical. Lolotonga ʻa e sivi, ʻoku ngaue hokohoko ʻa e maama LED, ʻo fakaʻata ia ke aʻu ki hono mafana ʻo e mafana ʻo e vela. ʻOku faʻa fai ʻeni ʻi ha mafana maʻolunga ʻo e ʻatakai pe ʻi he lahi taha ʻo e kavenga ke tekeʻi ʻa e mafana ʻo e ʻea ki hono ngataʻanga. ʻE lava ke fakaʻaongaʻi ʻe he kau ngaue fakatekinikale ʻa e ngaahi meʻangaue fakaʻata mafana pe thermocouples ke fua ʻaki ʻa e mafana ʻo e ʻea ʻi he ngaahi feituʻu mahuʻinga: ko e fetaulakiʻanga LED (ʻikai fakahangatonu), ko e heat sink, ko e ngaahi konga ʻo e fakaʻuli, mo e fale. Ko e ngaahi meʻa mahuʻinga ʻoku fie maʻu ke ʻoua naʻa fakaʻauha pe holoki ʻa e faʻunga mo e ngaahi konga ʻi loto ʻe he mafana ʻo e ʻea loloa ko ʻeni, pea ʻoku tuʻu maʻu ʻa e mafana ʻo e konga takitaha pea ʻikai hokohoko atu ʻa e hiki hake ʻi ha vahaʻa taimi. ʻE aʻu ʻa e maama kuo fokotuʻutuʻu lelei ki ha tuʻunga maʻolunga ʻo e mafana ʻo e ʻea, ʻo fakahaaʻi ai ʻoku fakamoleki lelei ʻe he meʻa vela ʻa e vela ki he ʻatakai. Kapau ʻe hokohoko atu ʻa e kaka ʻa e mafana ʻo e ʻea, ʻoku ne fakaʻilongaʻi ʻa e taʻemalava mahuʻinga ʻo e mafana ʻo e ʻea, ʻa ia ʻoku ʻuhinga ia ʻe fuʻu nounou ʻaupito ʻa e moʻui ʻa e mama ʻi he malaʻe. Ko e sivi ʻo e motuʻa ko e fakapapauʻi fakaʻosi ia ʻoku feʻunga ʻa e founga fakamokomokoʻi ki he ngaue.

ʻOku fakapapauʻi fefe ʻe he sivi ʻo e toulekeleka ʻa e tuʻumaʻu ʻo e maama mo e ngaue fakaʻuhila?

ʻOku fehokotaki hangatonu ʻa e maama mo e tuʻunga taʻeueʻia ʻo ha maama LED ʻi heʻene moʻui ki he tuʻunga lelei mo e tuʻumaʻu ʻo hono maʻuʻanga ʻuhila ʻi loto, pe fakaʻuli. Ko e ngaue ʻa e fakaʻuli ke liliu ʻa e malohi ʻo e AC ki ha DC ʻoku tuʻu maʻu mo puleʻi maʻa e LEDs. Ko e tefitoʻi meʻa ʻoku ne uesia ʻa e tuʻunga taʻeueʻia ʻo e maama taimi loloa ko e malava ʻe he fakaʻuli ke tauhi ʻa e ʻau maʻu pe ko ʻeni neongo ʻa e kehekehe ʻi he voltage mo e mafana ʻo e ʻea. Lolotonga ʻa e sivi ʻo e motuʻa, ʻoku fakahoko ʻa e fakatahaʻi ʻo e fakaʻuli mo e LED modules ʻi hono ngaahi tuʻunga. ʻOku vakaiʻi ʻe he sivi ha faʻahinga fakaʻilonga ʻo e taʻepau, hange ko e kemo ʻoku ʻasi mai (ʻa ia ʻe lava ke hoko ko ha fakaʻilonga ʻo ha output ʻoku ʻikai lelei hono puleʻi) pe ko ha mamalie ʻa e output ʻo e mama. Neongo ʻoku ʻikai ko ha fakafuofua kakato ʻo e moʻui ʻa e LM-80/TM-21 ʻa e sivi ʻo e motuʻa, ka ko ha sivi mahuʻinga ia ki he ngaue fakaʻuhila "ʻi tuʻa mei he puha". ʻOku ne fakapapauʻi ʻoku ngaue lelei ʻa e circuits fakatonutonu mo e tuʻutuʻuni ʻo e maʻuʻanga ʻuhila pea ʻoku ngaue ʻa e ngaahi meʻangaue maluʻi ʻoku fuʻu lahi ʻa e voltage ʻo hange ko ia naʻe fakataumuʻa ki ai. Kapau ʻoku ʻi ai ha kiʻi palopalema ʻi he ngaahi konga ʻo e fakaʻuli—hange ko ha maumau ʻa e capacitor pe ko ha chip ʻoku ʻikai lelei hono calibrated—ʻe faʻa ha ia ʻi ha sivi ʻaho lahi ko ha taʻelavameʻa, kemo fakataimi, pe fuʻu vela. ʻI hono maʻu vave ʻa e ngaahi palopalema ko ʻeni, ʻoku fakapapauʻi ai ʻe he sivi ʻo e motuʻa ʻe ʻoatu ʻe he mama ʻa hono tuʻunga lelei ʻo e maama mei he momeniti ʻoku fokotuʻu ai.

Ko e ha ʻoku hoko ai ʻa e sivi ʻo e kemo ko ha konga mahuʻinga ʻo e founga ʻo e toulekeleka?

Ko ha tafaʻaki pau mo mahuʻinga ʻo e sivi ʻo e toulekeleka ko e sivi ʻo e kemi. ʻE lava ke ʻikai fakatokangaʻi ʻe he mata telefua pe mahino mo fakaʻita. ʻOku fakatupu ia ʻe he ngaahi fehalaaki ʻi he output ʻo e fakaʻuli, ʻa ia ʻoku faʻa fekauʻaki mo e ripple mei he tuʻunga ʻo e ului ʻo e AC-to-DC. Neongo ʻoku ʻikai fakatuʻutamaki ʻa e kemo maʻolunga ʻaupito, ka ʻe lava ke fakatupu ʻe he kemo maʻulalo ʻa e ongosia ʻo e mata, langa ʻulu, pea aʻu pe ki he malu ʻi he ngaahi ʻatakai ngaueʻanga ʻoku vilo ai ʻa e ngaahi misini. Lolotonga hono siviʻi ʻo e motuʻa, ʻoku siviʻi ʻa e maama takitaha, pea ʻoku faʻa vakaiʻi ʻaki ha photodetectors, ki ha faʻahinga fakaʻilonga ʻo e tapa. ʻOku fie maʻu ʻa e sivi ko ʻeni koeʻuhi he ʻe lava ke hoko ʻa e ngaahi palopalema ʻo e flicker mei he ngaahi meʻa pau pe ngaahi fehalaaki ʻi he fakatahaʻanga. Hange ko ʻeni, ko ha fehalaaki lolotonga hono faʻo ʻo e misini LED pe ko ha konga ʻoku kiʻi ʻikai mahuʻinga ʻi he tuʻunga sivi ʻo e fakaʻuli ʻe toki mahino pe hili ʻa e mafana ʻa e mama pea lele ʻi ha vahaʻa taimi. ʻOku ʻomi ʻe he sivi ʻo e motuʻa, ʻaki hono fakalele ʻo e mama ʻi ha vahaʻa taimi loloa, ʻa e faingamalie ke vakaiʻi ʻa e ngaahi meʻa ko ʻeni. Ko hono fakapapauʻi ʻoku ʻikai ke ʻi ai ha kemo ʻo e mohe, tuʻu maʻu mo angamaheni ko e sitepu fakaʻosi ia ʻi hono fakamoʻoniʻi ʻoku ngaue lelei ʻa e maama LED, hono fakaʻuli, mo e ngaahi fehokotakiʻanga kotoa pe ke ʻoatu ha maama lelei mo falalaʻanga.

Ngaahi Tefitoʻi Taumuʻa ʻo e Ngaahi Sivi ʻo e Motuʻa ʻo e LED

ʻOku fakamatalaʻi fakanounou ʻe he tepile ko ʻeni ʻa e ngaahi tefitoʻi taumuʻa mo e ngaahi founga ʻo e sivi ʻo e toulekeleka ʻa e LED.

Ko hono fakaʻosi, ko e sivi ʻo e toulekeleka ʻoku mahulu hake ia ʻi ha kiʻi vahaʻataimi "lele" pe. Ko ha founga fakalukufua mo kehekehe ia ʻoku ne fakatataaʻi ʻa e ngaahi faingataʻa ʻo e moʻui kimuʻa ke fakapapauʻi ko e maama LED kotoa pe ʻoku mavahe mei he fale ngaue ʻoku malohi, falalaʻanga, mo mateuteu ke fakahoko ʻene palomesi ʻo e maama tuʻuloa mo ngaue maʻolunga. Ki he tokotaha fakatau, ʻoku ne fakafofongaʻi ha fakapapauʻi ʻo e tuʻunga lelei ʻoku ʻikai lava ke mamata ki ai. Ki ha kautaha hange ko e OAK LED, ko ha sitepu mahuʻinga ia ʻi hono langa hake ʻo e falala mo pukepuke ha ongoongo ki he lelei taha ʻi ha maketi fakaemamani lahi feʻauʻauhi. Ko e fakapapauʻi fakaʻosi ia ʻi he taimi ʻoku ke fokotuʻu ai ha koloa OAK LED, te ne ʻomi ha maama hokohoko mo lelei taha ʻi he ngaahi taʻu ka hoko mai.

Ngaahi Fehuʻi ʻOku Faʻa ʻEke Fekauʻaki mo e Ngaahi Sivi ʻo e Motuʻa ʻo e LED

Ko e ha hono fuoloa ʻo e sivi angamaheni ʻo e motuʻa ʻa e LED?

ʻE lava ke kehekehe ʻa e loloa ʻo e sivi ʻo e motuʻa ʻo makatuʻunga ʻi he tuʻunga lelei ʻo e kautaha naʻa nau ngaohi mo e faʻahinga koloa. Ko e lahi taha ʻo e ngaahi maama LED fakakomesiale, ʻoku angamaheni ʻaki ʻa e vahaʻataimi vela ʻo e houa ʻe 24 ki he 48. Ki he ngaahi polokalama mahuʻinga ange pe ngaahi koloa maʻolunga ange, ʻe lava ke fakaloloa ʻeni ki he houa ʻe 72, houa ʻe 96, pe naʻa mo ha uike kakato ke fakapapauʻi ʻa e tuʻunga maʻolunga taha ʻo e falalaʻanga pea ke toʻo ha faʻahinga meʻa ʻe ala hoko ʻi he kamataʻanga ʻo e moʻui.

ʻOku fakanounouʻi nai ʻe ha sivi motuʻa ʻa e moʻui fakalukufua ʻo e LED?

ʻIkai, ʻoku ʻikai ke fakanounouʻi ʻe ha sivi ʻo e motuʻa ʻa e moʻui fakalukufua ʻo ha LED. ʻOku fakafofongaʻi ʻe he houa ʻe 24 ki he 48 ʻo e ngaue ha kiʻi konga siʻi ʻo e houa ʻe 50,000+ ʻoku ʻamanaki ke moʻui ʻaki ha LED (siʻi hifo ʻi he 0.1%). ʻOku fakataumuʻa ʻa e sivi ke ʻiloʻi ʻa e ngaahi meʻa naʻe mei ʻikai ola lelei ʻi he taimi kimuʻa, maluʻi ʻa e kasitomaa mei he faingataʻa mo fakapapauʻi ko e koloa malohi taha pe ʻoku fakafolau.

ʻE lava nai ke u fai ha sivi motuʻa ʻi he LEDs kuo u ʻosi fokotuʻu?

Neongo te ke lava ʻo fakalele hokohoko hoʻo mama, he ʻikai te ke lava ʻo fakahoko ʻa e faʻahinga sivi ʻo e toulekeleka ʻoku mapuleʻi mo fakatupu loto mafasia ʻoku fai ʻi ha fale ngaue. ʻOku faʻa kau ʻi he ngaahi sivi ʻo e fale ngaohiʻanga ʻa e voltages maʻolunga, vave ʻa e siakale ʻo e ʻuhila, mo hono vakaiʻi totonu ʻo e mafana ʻo e ʻea ʻa ia ʻoku ʻikai malava ʻi ha fola angamaheni. Ki he ngaahi maama kuo fokotuʻu, ko e founga lelei taha ke vakaiʻi pe ʻoku ʻi ai ha kemo pe maumau ʻi he ngaahi ʻuluaki ʻaho ʻo ʻenau fakaʻaongaʻi, ʻa ia ʻe maluʻi.