Please answer the following question: British Rail Class 105 -  The British Rail Class 105 diesel multiple units were built by Cravens Ltd. of Sheffield from 1956 to 1959. The class were built with a side profile identical to British Railways Mark 1 carriage stock using the same doors and windows. None were selected for refurbishment. The last passenger car was withdrawn from service in 1988. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Mean Of Transportation