Kamfanin Dongguan Enuo mold Co., Ltd wani reshe ne na Hong Kong BHD Group, babban kasuwancin shine kera mold na allura da kuma ƙera allura. Bugu da ƙari, mold na Enuo shi ma masana'antar OEM ce da ke aiki a fannin duba kayan aiki/gauge R&D, ƙera Die Casting, injinan CNC, gwajin da kuma haɗa samfuran Prototype, feshi da haɗa sassa.
Fanka mai bututun iska tsari ne na motsa iska inda ake sanya fanka na injiniya, wanda nau'in propeller ne, a cikin wani mayafi ko bututun silinda. Bututun yana rage asarar da ake samu daga ƙarshen ruwan wukake masu fanka, kuma yana canza ɓangaren bututun yana bawa mai ƙira damar yin tasiri mai kyau ga saurin iska da matsin lamba bisa ga ƙa'idar Bernoulli. Ana amfani da bututun tura fanka a cikin jiragen sama, jiragen sama, jiragen sama, jiragen sama masu shawagi da fakitin fanka.
Fanka mai amfani da jet fanka ce mai aiki da bututun iska da ake amfani da ita wajen motsa iska ta cikin gine-gine ko ramuka.
Fanfunan da ke da bututun iska yawanci suna da gajerun ruwan wukake fiye da na gargajiya, don haka suna iya aiki a mafi girman saurin juyawa.
Amurka jagora ce a duniya a fannin kirkire-kirkire a fannin likitanci. Amurka ta ci gaba ko kuma ta ba da gudummawa sosai ga 9 daga cikin manyan sabbin kirkire-kirkire 10 na likitanci tun daga shekarar 1975 kamar yadda wani bincike na likitoci ya nuna a shekarar 2001, yayin da Tarayyar Turai da Switzerland suka bayar da gudummawa guda biyar. Tun daga shekarar 1966, Amurkawa da yawa sun sami kyautar Nobel a fannin likitanci fiye da sauran kasashen duniya baki daya. Daga 1989 zuwa 2002, an zuba jari sau hudu a kamfanonin fasahar kere-kere masu zaman kansu a Amurka fiye da Turai. Tsarin kula da lafiya na Amurka ya fi kowace kasa kashe kudi, wanda aka auna a cikin kashe kudi ga kowane mutum da kuma kashi na GDP.
