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.
Modulation ɗin ya ƙunshi manyan sassa guda biyu, modulation na allura (faranti na A) da modulation na ejector (faranti na B). Waɗannan sassan kuma ana kiransu molder da moldmaker. Resin filastik yana shiga mold ɗin ta hanyar sprue ko ƙofa a cikin mold ɗin allura; sprue bushing ɗin shine a rufe sosai a kan bututun allurar na'urar gyaran gashi kuma a bar robobin ya gudana daga ganga zuwa cikin mold ɗin, wanda kuma aka sani da rami. Sprue bushing yana jagorantar robobin da aka narke zuwa ramin img ta hanyoyin da aka ƙera a fuskokin faranti na A da B. Waɗannan hanyoyin suna ba da damar robobin su gudana tare da su, don haka ana kiransu masu gudu. Robobin da aka narke yana gudana ta cikin mai gudu kuma yana shiga ƙofofi ɗaya ko fiye na musamman da kuma cikin yanayin rami don samar da ɓangaren da ake so.
Duk da cewa kimanta asalin mutanen asalin Arewacin Amurka a lokacin da Turawa suka haɗu abu ne mai wahala, an yi wani yunƙuri a farkon ƙarni na ashirin ta hannun James Mooney ta amfani da bayanan tarihi don kimanta yawan 'yan asalin arewacin Mexico a shekara ta 1600. A cikin 'yan shekarun nan, Douglas H. Ubelaker na Cibiyar Smithsonian ya sabunta waɗannan alkaluman. Duk da cewa Ubelaker ya kiyasta cewa akwai yawan jama'a 92,916 a jihohin kudu maso gabashin Atlantika da kuma yawan jama'a 473,616 a jihohin Gulf, yawancin masana ilimi suna ɗaukar adadin a matsayin ƙasa.
