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.
Ana fifita fanfunan da ke amfani da bututu a jiragen VTOL kamar Lockheed Martin F-35 Lightning II, da sauran ƙira masu ƙarancin gudu kamar hovercraft saboda yawan ƙarfinsu na turawa zuwa nauyi.
A wasu lokuta, na'urar rotor mai rufewa na iya zama mafi inganci fiye da na'urar rotor mai buɗewa da kashi 94%. Ingantaccen aikin ya faru ne saboda kwararar waje ba ta da ƙarfi sosai kuma don haka tana ɗauke da ƙarin kuzarin motsi.
Daga cikin masu sha'awar jiragen sama na zamani, fankar da ke da bututun iska tana da farin jini ga masu gina jiragen sama masu inganci da rediyo ke sarrafawa. Injinan haske na ciki tare da na'urorin fankar da ke da bututun iska sune hanya ta farko da za a iya cimmawa ta yin kwaikwayon jirgin sama mai girman sifili. Duk da gabatar da injunan turbojet na zamani, fankar da ke da bututun iska na zamani sun kasance shahara a ƙananan jiragen sama masu rahusa. Wasu jiragen sama masu amfani da bututun iska na zamani na iya kaiwa gudun sama da kilomita 320/h (200mph).
Jamus ta ƙunshi jihohi goma sha shida na tarayya waɗanda aka haɗa su da Bundesländer. Kowace jiha tana da kundin tsarin mulkinta, kuma galibi tana da ikon cin gashin kanta dangane da tsarinta na cikin gida. Jihohi biyu daga cikin jihohi ne na birni waɗanda suka ƙunshi birni ɗaya kawai: babban birnin ƙasar Berlin, da Hamburg. Jihar Bremen ta ƙunshi birane biyu waɗanda jihar Lower Saxony ta raba da juna: Bremen da Bremerhaven.
Saboda bambancin girma da yawan jama'a, rabe-raben jihohin sun bambanta. Don manufofin gudanarwa na yankuna jihohi huɗu, wato Baden-Württemberg, Bavaria, Hesse da North Rhine-Westphalia, sun ƙunshi jimillar gundumomi 19 na gwamnati (Regierungsbezirke).
