Q:The South African Class 6E1 Series 2 of 1971 is a South African electric locomotive from the South African Railways era.In 1971 the South African Railways placed fifty Class 6E1 Series 2 electric locomotives with a Bo-Bo wheel arrangement in mainline service. Series 2 was the first of the Class 6E1s to have their sandboxes mounted along the bottom edge of the locomotive body sides. 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?
A:
Mean Of Transportation