Mayar da J zuwa cal joule ↔ kalori (thermochemical) Kyauta A kan layi Amintacce
Ku rubuta ƙima a joule ku karanta ta a kalori (thermochemical) nan take. Ma'aunin daidai ne bisa ayyanawa, lissafin yana faruwa a cikin burauzarku, kuma ba a aika komai ko'ina ba.
Ba a ɗora komai ba
Ƙimomin da aka fi amfani da su — Mayar da J zuwa cal (joule ↔ kalori (thermochemical))
| J | cal |
|---|---|
| 1 | 0.239005736138 |
| 2 | 0.478011472275 |
| 3 | 0.717017208413 |
| 5 | 1.19502868069 |
| 10 | 2.39005736138 |
| 20 | 4.78011472275 |
| 50 | 11.9502868069 |
| 100 | 23.9005736138 |
Daga ina waɗannan ma'aunai suka fito
Makamashi ya tara ma'auni daga kowane fanni da ya gano shi da kansa. Joule shi ne na SI kuma mafi sauƙi: newton da ke aiki a tsawon mita. Calorie ya fito daga nazarin zafi kuma an bayyana shi ta hanyar dumama ruwa da digiri ɗaya — shi ya sa akwai da dama daga cikinsu, ya danganta da digirin da kuka fara daga; thermochemical calorie, daidai 4.184 J, shi ne wanda ake amfani da shi a nan. Kilowatt hour ba ma'aunin masanin kimiyyar lissafi ba ne ko kaɗan amma na mai lissafin kuɗi ne: kilowatt da aka ɗauka tsawon awa ɗaya, ta haka ake sayar da wutar lantarki. BTU ɗan uwansa ne na Birtaniya, wanda aka gina daga pound da digirin Fahrenheit, kuma har yanzu yana tafiyar da sana'ar dumama da sanyaya a duniya.
Inda kuke haɗuwa da su
Joule na kimiyyar lissafi ne da kuma alamomin abinci a wajen ƙasashen masu magana da Turanci. Kilowatt hours suna zuwa a kowace takardar kuɗin wutar lantarki kuma suna bayyana ƙarfin batir, daga waya zuwa mota. BTU yana auna na'urorin sanyaya iska, bolar ruwan zafi da kayan aikin gas kusan a ko'ina, har da ƙasashen da gaba ɗaya suke amfani da metric. Calories — a zahiri kilocalories — su ne ke mulkin abinci mai gina jiki, wanda shi ne wuri ɗaya da sunan ma'aunin yake kuskure da ninki dubu a kai a kai.
Tambayoyin da mutane ke yi
Mene ne joule a harshen yau da kullum?
Joule kusan makamashin da ake buƙata ne don ɗaga ƙaramin tuffa, kusan gram 100, da mita ɗaya. Haka kuma shi ne makamashin watt ɗaya da ke gudana na daƙiƙa ɗaya, da na newton ɗaya da ke motsa wani abu mita ɗaya. Ƙaramin ma'auni ne, shi ya sa ake ƙirga makamashin gida da kilojoule, megajoule ko kilowatt-awa.
Shin calorie da ke jikin kayan abinci ɗaya ce da ta nan?
A'a, kuma bambancin ninki dubu ne. Calorie da aka buga a jikin abinci kilocalorie ce: dubu ɗaya na calorie da ake amfani da su a wannan shafi. Abincin Calorie 500 calorie 500,000 ne a ma'anar masanin kimiyyar lissafi, ko kusan megajoule 2.1. Yanzu kayan abinci a yawancin duniya suna buga kilojoule a gefenta, wanda ke kawar da ruɗani gaba ɗaya.
Shin amsar daidai ce?
Inda aka ayyana ma'aunai biyun ta hanyar juna da cikakkun lambobi, i — shafin yana faɗin haka a saman lambar, kuma zagaye kawai shi ne yawan lambobin da ake nunawa. Inda rabon ba shi da lambar goma mai ƙarewa, shafin yana nuna muhimman lambobi goma sha biyu kuma yana cewa alaƙar kintace ce maimakon ya yi kamar ba haka ba ne.
Shin wani abu da na rubuta yana barin na'urata?
A'a. Ana yin lissafin a cikin burauzarku; ba a ɗora komai ba, kuma babu uwar garke da za a ɗora zuwa gare ta. Ku buɗe shafin sau ɗaya zai ci gaba da aiki ko da an kashe hanyar sadarwa.
Joule zuwa kalori: dalilin da alamar abinci take nuna lambobi biyu kuma littafin kimiyyar lissafi na uku
Fakitin biskit na hatsi yana nuna 1,550 kJ da 370 kcal gefe da gefe. Na'urar bin diddigin motsa jiki tana ƙidaya kilokalori, littafin ilimin sinadarai yana ambaton kalori ga kowane mole, kuma littafin kimiyyar lissafi yana ba da joule. Dukansu suna auna abu ɗaya, kuzari, a cikin raka’o’in da suka bambanta da ma’auni na 4.184 da 1,000. Don canza J zuwa cal ga ƙaramar kalori, ninka da 0.23901: 100 J shi ne 23.9 cal, 1,000 J shi ne 239 cal kuma 4,184 J shi ne daidai 1,000 cal. Mai lissafin da ke sama yana ninkawa yayin da kake rubutu, kuma sassan da ke ƙasa suna bayyana dukan iyalin raka’o’in, daga kalori ta thermochemical zuwa “Calorie” da ke kan hatsin karin kumallonka.
Shafin yana ba da ƙa’idar tare da misalai da aka warware, bayanin kowace raka’a, kwatance da dogon jerin kwatance masu ban mamaki tsakanin abinci, batir da mai, sannan kura-kuran da aka saba yi. Ana yin lissafin a cikin burauzarka kuma babu abin da ka rubuta da ake aika wa wani wuri. Ka lura cewa wannan shafi yana amfani da ƙaramar kalori, 4.184 J, ba kilokalori ta abinci mai gina jiki ba.
Yadda ake canza J zuwa cal: ninka da 0.23901
Ƙa’idar
An ayyana kalori ta thermochemical a matsayin daidai joule 4.184, don haka joule ɗaya shi ne 1 / 4.184 = 0.239006 kalori. Don canza J zuwa cal, ninka joule da 0.23901: 50 J yana ba da 11.95 cal, 400 J yana ba da 95.6 cal kuma 10,000 J yana ba da 2,390 cal. Don komawa baya, ninka kalori da 4.184.
Misalai da aka warware
Ayaba ta kusan 400 kJ tana ɗauke da 400,000 J, wato 95,600 cal ko 95.6 kcal. Abincin yau da kullum na 8,368 kJ shi ne 2,000,000 cal, wato 2,000 kcal. Joule guda ɗaya, kusan kuzarin da ake buƙata don ɗaga ƙaramin tuffa da mita ɗaya, shi ne 0.239 cal.
Ma’auni na daidai
Ƙimar 4.184 J ga kowace kalori ma’ana ce da aka ayyana, don haka ma’aunin ba shi da rashin tabbas. Wasu kalori suna nan, kamar kalori ta tebur ta ƙasa da ƙasa ta 4.1868 J, amma sun bambanta da ƙasa da kashi 0.1 cikin ɗari.
Gwajin hankali da sauri
Amsar a kalori ta ninka ƙasa da adadin joule kusan sau huɗu. Idan lissafin “canza J zuwa cal” ya ba da lamba mafi girma fiye da wadda ka fara da ita, ka ninka da 4.184 maimakon.
Joule
Raka’ar kuzari ta SI
Joule shi ne kuzarin da ake canjawa lokacin da ƙarfin newton ɗaya yake aiki a tsawon mita ɗaya. Yana daidai da watt-second ɗaya, don haka fitila ta 100 W tana amfani da 100 J a kowane daƙiƙa. Alamomin abinci a Turai, Ostiraliya da ƙasashe da yawa suna ba da kuzari a kilojoule.
Inda yake bayyana
Kimiyyar lissafi, ilimin sinadarai, aikin injiniyan lantarki da alamomin abinci mai gina jiki a kJ.
Kalori
Tsohuwar raka’ar zafi
Ƙaramar kalori ita ce zafin da ake buƙata don ɗumama gram ɗaya na ruwa da digiri ɗaya na Celsius, an tsayar da ita a joule 4.184. Kilokalori, mai girman ninki dubu, ita ce “Calorie” ta jadawalin abinci da “kcal” a kan alamomi. Haɗa biyun kuskure ne da aka saba yi.
Inda yake bayyana
Auna zafi, tsofaffin littattafan karatu, teburan takamaiman zafi da, a matsayin kcal, abinci mai gina jiki.
Joule da kalori
Kalori ɗaya ita ce 4.184 J, don haka adadin a kalori kusan sau huɗu ya fi ƙanƙanta. Kuzarin 1,000 J shi ne 239 cal kuma na 100,000 J shi ne 23,901 cal. Duka raka’o’in biyu suna auna kuzari ɗaya; sikelin ne kawai ya bambanta.
Canzawar daidai ce. Tarko kaɗai shi ne iyalin: 1,000 cal suna yin kilokalori ɗaya, wato 4,184 J.
Inda canzawar take bayyana
Alamomin abinci
Alamar Turai tana ba da kJ da kcal, kamar 1,550 kJ da 370 kcal ga 100 g na hatsi. Kcal ɗaya ita ce 4.184 kJ, don haka 1,550 kJ shi ne 370.5 kcal. A ƙananan kalori adadin ɗaya shi ne 370,500 cal. Lissafin “canza J zuwa cal” a kan ƙimar kJ yana ba da cal, kuma raba da 1,000 yana ba da kcal.
Batir da biskit
Batirin waya na 15 Wh yana adana 54,000 J, wato 12,906 cal ko 12.9 kcal. Kek ɗin cakulan na 250 kcal yana ɗauke da kuzari daidai da batir AA 116 na 2.5 Wh kowanne. Lissafin “canza J zuwa cal” na batir da biskit yana bayyana kwatancen a sarari: mutum zai iya gudu na awa ɗaya da abun ciye-ciye.
Hawan dutse
Mai hawa na kg 80 da aka ɗaga daga matakin teku zuwa saman Everest yana samun kuzarin matsayi na 6.94 MJ, wato 1,660 kcal. Domin tsokoki suna da inganci na kusan kashi 25 cikin ɗari kawai, jiki yana kashe kusan 6,600 kcal, 27.8 MJ, a hawan kaɗai.
Calorie da calorie
A Turanci “calorie” na iya nufin ƙaramar kalori, 4.184 J, ko babbar Calorie, 4,184 J, wadda ake kira kilokalori ma. A alamomin abinci na Amurka “Calories” mai babban C yana nufin kilokalori. Rubutun kimiyyar lissafi da ya rubuta “cal” kusan koyaushe yana nufin ƙarama, wadda wannan mai canzawa yake amfani da ita.
Sanyayar kofi
Kofi na 250 ml na kofi da yake sanyaya daga 90 °C zuwa 60 °C yana rasa 250 × 30 = 7,500 cal, 31.4 kJ. Wannan bai kai 100 kJ da ke cikin ƙaramin biskit ba. Kuzarin da ke cikin abin sha mai zafi ƙanƙani ne idan aka kwatanta da kuzarin da ke cikin abincinsa.
Ƙwallon cricket a tashi
Ƙwallon cricket ta 160 g da take tashi da 40 m/s tana da kuzarin motsi na 128 J, 30.6 cal. Ƙwallon iri ɗaya idan aka jefa ta daga taga mai tsayin mita 10 tana isa ƙasa da 15.7 J, 3.75 cal. Irin waɗannan ƙananan adadi suna nuna yadda abinci ya fi abubuwa masu motsi yawan kuzari.
Tsallen da gudu
Mutum na kg 70 da ya yi tsalle rabin mita a iska yana kashe kuzarin inji na 343 J, wato 82 cal. Ɗan gudu na kg 80 a 10 m/s yana ɗauke da kuzarin motsi na 4,000 J, 956 cal. A gudun ɗan gudu jiki yana ɓata fiye da yadda yake riƙe a matsayin motsi a matsayin zafi.
Hasken rana a kowane mita murabba’i
A rana mai haske rana tana isar da kusan 1,000 W ga kowane mita murabba’i. Wannan 1,000 J ne a kowane daƙiƙa, ko 239 cal a daƙiƙa. A cikin awa ɗaya shi ne 3.6 MJ, 860 kcal, kusan kuzarin babban abinci da ke faɗowa a kan tabarmar ƙofa.
Kilowatt-hour ɗaya a abinci
Kilowatt-hour ɗaya shi ne 3.6 MJ, wato 860 kcal. Gida da yake amfani da 10 kWh a rana yana cinye 8,600 kcal na kuzarin lantarki, wanda ya isa manya huɗu. Kwatancen yana sanya amfani da wutar lantarki da abinci a sikelin ɗaya.
Gwanayen sukari
Gwanin sukari na 4 g yana ɗauke da kusan 68 kJ, 16 kcal, ko 16,250 cal. Gwangwanin cola mai kusan 35 g na sukari yana ɗauke da kusan gwanaye tara. Kuzarin da ke cikin sukari iri ɗaya ne a kowane gram da na sauran carbohydrates, kusan 17 kJ.
Gajeriyar hanyar kai
Don canza J zuwa cal a kai, raba da 4 ka ƙara kashi 4 cikin ɗari. Ga 1,000 J: 250 rage 10 yana ba da 240, kusa da 239. Ga 400 J: 100 rage 4 yana ba da 96, a kan 95.6. Hanyar tana dacewa da ƙiyasin gaggawa.
Dabarun spreadsheet
Don canza J zuwa cal a spreadsheet, sanya kuzari a joule a ginshiƙi A ka rubuta =A2/4.184 a ginshiƙi B. Don akasin haka, =B2*4.184. Ginshiƙi mai =A2/4184 yana ba da kcal a matsayin dubawa da alamomin abinci.
Zagayawa da daidaito
Alamomin abinci suna zagayawa zuwa 5 ko 10 kcal mafi kusa, don haka 370 kcal na iya zama 365 zuwa 374 kcal. Lokacin da ka canza J zuwa cal daga irin wannan alama, lambobi biyu ko uku masu ma’ana daidai ne. Adadi kamar 370,500 cal yana kama da daidai amma ba haka yake ba.
Alamomin da za a haddace
1 J shi ne 0.239 cal. 4.184 J shi ne 1 cal. 10 J shi ne 2.39 cal. 100 J shi ne 23.9 cal. 1,000 J shi ne 239 cal. 4,184 J shi ne 1,000 cal. 41,840 J shi ne 10,000 cal. Yi amfani da su don canza J zuwa cal da ido.
Abinci na yau da kullum a kJ da kcal
Tuffa ta 100 g tana ɗauke da 218 kJ, 52 kcal. Yanki na burodi na 100 g, 1,109 kJ, 265 kcal. Gwangwanin cola na 330 ml yana ɗauke da 582 kJ, 139 kcal. Gram ɗari na cakulan na madara yana ɗauke da 2,284 kJ, 546 kcal. Ƙwai matsakaici yana ɗauke da 293 kJ, 70 kcal.
Tsanin tunani
20 J shi ne 4.78 cal. 250 J shi ne 59.75 cal. 500 J shi ne 119.5 cal. 2,257 J shi ne 539.4 cal. 10,000 J shi ne 2,390 cal. 20,000 J shi ne 4,780 cal. 100,000 J shi ne 23,901 cal. 1,000,000 J shi ne 239,006 cal. Tsani irin wannan yana sa dubawa ta yi sauri.
Dubawa ta hanyar juyawa
Don duba sakamakon lissafin “canza J zuwa cal”, ninka amsar da 4.184. Idan 1,000 J ya zama 239 cal, to 239 sau 4.184 yana dawo da kusan 1,000. Gwaji na biyu shi ne girma: adadin kalori kusan sau huɗu ya fi ƙanƙanta.
Alaƙa da kWh da BTU
Joule ɗaya shi ne 2.78 × 10⁻⁷ kWh da 9.48 × 10⁻⁴ BTU. Miliyan ɗaya na joule shi ne 0.278 kWh, 948 BTU da 239,006 cal. Ga kuzari mai yawa kWh da BTU sun fi joule ko kalori sauƙi.
Misali da aka yi aiki a kansa
Alama ta ce rabon hatsi na 60 g yana ɗauke da 900 kJ. A kcal wannan 215 ne, a ƙananan kalori 215,100. Tare da madara mai ɗan kitse ta 125 ml a 250 kJ, karin kumallon yana ɗauke da 1,150 kJ, 275 kcal. Ba tare da canzawar ba yana da wuya a kwatanta shi da na’urar bin diddigi da take rubuta kcal.
Dalilin da alamomi suke amfani da raka’o’in biyu
Dokokin Turai suna buƙatar kuzari a kJ da kcal gefe da gefe, domin masu saye sun saba da kcal yayin da raka’ar SI ita ce joule. Ostiraliya da wasu ƙasashe suna nuna kJ kaɗai. Amurkawa suna ganin Calories kaɗai. Don haka matafiyi yana haɗuwa da tsarin uku duka.
Tsohuwar ma’anar kalori
An taɓa ayyana kalori a matsayin zafin da ake buƙata don ɗaga gram ɗaya na ruwa daga 14.5 zuwa 15.5 °C. Wannan ƙima, 4.1855 J, ta ɗan bambanta da 4.184 J ta thermochemical. Ga abinci mai gina jiki bambancin ya fi ƙanƙanta da rashin tabbacin teburan abinci.
Takamaiman zafi
Ruwa yana da takamaiman zafi na 4.184 J/(g·K), wato 1 cal/(g·K) bisa ma’anar kalori. Aluminium yana da 0.897 J/(g·K), 0.214 cal/(g·K), kuma jan ƙarfe 0.385 J/(g·K), 0.092 cal/(g·K). Shi ya sa tukunyar ƙarfe take ɗumama da sauri fiye da ruwan da ke cikinta.
Mai a kalori ga kowane gram
Itace yana ɗauke da kusan 16 MJ/kg, 3.8 kcal ga kowane gram, fetur 44 MJ/kg, 10.5 kcal ga kowane gram, kuma hydrogen 120 MJ/kg, 28.7 kcal ga kowane gram. Tsofaffin teburan mai a kcal ga kowane kilogram suna zama MJ ga kowane kilogram ta ninka da 4.184 da raba da 1,000.
Hanyoyi biyu zuwa amsa ɗaya
Za ka iya tafiya daga J zuwa cal kai tsaye da 0.23901, ko ta hanyar kcal: raba da 4,184 ka ninka da 1,000. Idan sakamakon ba su yarda ba, an kwafi lamba ba daidai ba.
Zafi a cikin kwalbar ruwan zafi
Kwalbar ruwan zafi mai lita 1.5 a 70 °C da take sanyaya zuwa 30 °C tana sakin 1,500 × 40 = 60,000 cal, 251 kJ. Wannan kusan 60 kcal ne, kuzarin ƙaramin tuffa, kuma yana sa gado ya yi ɗumi na awanni domin asarar tana jinkiri.
Cakulan ya fi TNT
TNT yana sakin 4.184 MJ ga kowane kilogram, wato daidai 1,000 kcal ga kowane kilogram. Cakulan na madara yana ɗauke da 5,460 kcal ga kowane kilogram, fiye da sau biyar na kuzari a nauyi. Bambancin shi ne cewa abinci yana ƙonewa a hankali a jiki, yayin da abin fashewar yana sakin kuzarinsa cikin microseconds.
Kettle da biskit
Kettle ta 3 kW da take aiki na minti ɗaya tana amfani da 180 kJ, 43 kcal. Biskit ɗaya na 100 kJ yana ɗauke da 24 kcal. Kofi na shayi da aka yi da ruwa 200 ml da aka ɗumama daga 20 zuwa 100 °C yana ɗaukar 67 kJ, 16 kcal, ƙasa da biskit ɗaya, don haka yin shayi yana kashe ƙarancin kuzari fiye da abun ciye-ciyen da ake ci da shi.
Kitse a matsayin ma’ajiyar kuzari
Kilogram ɗaya na kitsen jiki yana ɗauke da kusan 37 MJ, wato 8,843 kcal. Ƙa’idar yatsa da aka saba cewa rage kg 1 yana buƙatar ƙarancin kusan 7,700 kcal, 32 MJ, tana la’akari da ruwa da nama maras kitse. A ƙananan kalori adadin shi ne miliyan 8.8.
Kitse, carbohydrate, protein da barasa
Kuzarin kowane gram shi ne 37 kJ, 8.8 kcal, ga kitse, 17 kJ, 4 kcal, ga carbohydrate da protein, da 29 kJ, 6.9 kcal, ga barasa. Alamomi suna zagayawa waɗannan zuwa 9, 4, 4 da 7 kcal ga kowane gram. A ƙananan kalori, kitse yana ba da 8,843 cal ga kowane gram, kuma lissafin “canza J zuwa cal” yana nuna sikelin.
Buƙatun yau da kullum
Babba yana buƙatar kusan 2,000 zuwa 2,500 kcal a rana, wato 8.4 zuwa 10.5 MJ. Metabolism na hutawa na babba na al’ada kusan 1,500 kcal ne, 6.3 MJ, a rana. Gudun marathon yana amfani da kusan 2,600 kcal, 10.9 MJ. Likitoci suna amfani da kcal, teburan abinci na ƙasa suna amfani da kJ.
Kasafin kuɗin kwakwalwa
Kwakwalwar ɗan Adam tana amfani da kusan 20 W, wato 72,000 J a awa ɗaya, ko 17.2 kcal. A cikin rana wannan kusan 413 kcal ne, kusan kashi ɗaya cikin biyar na jimillar jiki a hutawa. Kuzarin iri ɗaya a ƙananan kalori shi ne 413,000 cal.
Tafiya kilomita ɗaya
Mai tafiya yana amfani da kusan 50 kcal ga kowane kilomita, wato 209 kJ, ko 50,000 cal. A gudun 5 km/h wannan matsakaicin 290 W ne. Tafiyar 100 km tana kashe kusan 5,000 kcal, kusan kg 0.6 na kitsen jiki, shi ya sa doguwar tafiya take buƙatar cin abinci a kai a kai.
Fetur da abinci
Lita ɗaya ta fetur tana ɗauke da kusan 34 MJ, 8,126 kcal. Wannan kuzarin abincin babba ne na kusan kwanaki 4. Injin mota yana mayar da kusan kashi 25 zuwa 30 cikin ɗari ne kawai zuwa motsi, kuma jikin ɗan Adam yana cikin wannan kewayon, wanda daidaituwa ce ta injina biyu daban-daban.
Ƙarin ƙimomi don canza J zuwa cal
Dogon jerin canje-canje
Idan ƙimar da kake buƙata ba ta cikin jerin farko ba, waɗannan ƙarin canje-canje na iya kusantarta har a karanta kai tsaye:
- 0.1 J = 0.0239006 cal
- 0.5 J = 0.119503 cal
- 3 J = 0.717017 cal
- 4 J = 0.956023 cal
- 7 J = 1.67304 cal
- 15 J = 3.58509 cal
- 20 J = 4.78011 cal
- 75 J = 17.9254 cal
- 200 J = 47.8011 cal
- 500 J = 119.503 cal
- 2,000 J = 478.011 cal
- 10,000 J = 2,390.06 cal
Kura-kurai na gama gari da lissafin “canza J zuwa cal”
Ninka da 4.184
Daga joule zuwa kalori lambar tana raguwa. Idan 1,000 J ya zama 4,184, ka yi amfani da ma’aunin akasin hanyar.
Kalori da kilokalori
Ƙaramar kalori ita ce 4.184 J kuma kilokalori 4,184 J. “Calorie” da ke kan alamar abinci ita ce kilokalori. Rikitar da su yana haifar da kuskuren ninki dubu.
Kalori daban-daban
Kalori ta thermochemical ta 4.184 J ta ɗan bambanta da kalori ta tebur ta ƙasa da ƙasa ta 4.1868 J. Ga aiki na yau da kullum bambancin ba shi da muhimmanci.
Gajerun amsoshi
Ta yaya zan canza J zuwa cal?
Ninka joule da 0.23901.
Kalori nawa ne 1,000 J?
239 cal.
Kalori nawa ne 4,184 J?
Daidai 1,000 cal.
Joule nawa ne kalori ɗaya?
4.184 J.
Lambata tana barin na’urata?
A’a, lissafin yana gudana a cikin burauzarka.
Ƙarin shafuka da taƙaitawa
Don sauran canza kuzari duba Canza J zuwa kWh, Canza kWh zuwa cal, Canza cal zuwa kWh, Canza km zuwa mi, Canza mi zuwa km, Canza °C zuwa °F, Canza °F zuwa °C, Canza pt zuwa cups, Canza °Ré zuwa °F. Hanyar da ke akasin haka ita ce Canza cal zuwa J.
A taƙaice, lissafin “canza J zuwa cal” yana komawa ninka da 0.23901 da rubuta raka’ar kusa da amsar. Ana lissafa lambarka a gida, ba tare da asusu ba kuma ba tare da lodawa ba.