81-760/761 (also known as Oka) is a model of subway car used on the Moscow Metro and the Baku Metro. It was designed by Metrovagonmash and is manufactured by Metrovagonmash and Tver Carriage Works. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Mean Of Transportation