■ Iphedi yendololwane ishona phansi, ihambisane nezimiso ze-ergonomic design.
■ Ifakwe amaphedali onyawo ukuze umsebenzisi akwazi ukungena nokubuya emshinini.
■ Izintambo ezithambile ezihlakaleni zisakaza amandla ngokulinganayo emaqakaleni, okunciphisa ukuzwa kwengcindezi.