Donkey have worked together with humans for millennia. Traditionally, the scientific name for the donkey is "Equus asinus asinus" based on the principle of priority used for scientific names of animals. However, the International Commission on Zoological Nomenclature ruled in 2003 that if the domestic species and the wild species are considered subspecies of one another, the scientific name of the wild species has priority, even when that subspecies was described after the domestic subspecies. This means that the proper scientific name for the donkey is "Equus africanus asinus" when it is considered a subspecies, and "Equus asinus" when it is
Hyundai Equus support and a massage system. Hyundai also developed an armoured vehicle based on the limousine, with an enlarged 5.5L version of the V8 engine. On September 2009, Hyundai delivered three bulletproof limousine versions of the luxury sedan Equus to the South Korea Presidential Security Service to be used as the official state car. Hyundai designed this vehicle with a special alloy, with an automatic cooling system in case of fire as well as bulletproof windows. The first-built armoured limousine was donated to Blue House. A modified Hyundai Equus was donated to Costa Rica and is currently used as the presidential