Hi!  I work in a factory.  What do you do?
Large factories often are located where they have access to multiple modes of transportation. Railways, highways, and water transport are important to the business' success.
I agree.  There are many large roads near this factory.  What do you do for a living?
Rail transport
Rail transport is a means of transferring passengers and goods on wheeled vehicles running on rails, which is also known as tracks. It is also commonly referred to as train transport. In contrast to road transport, where vehicles run on a prepared flat surface, rail vehicles (rolling stock) are directionally guided by the tracks on which they run. Tracks usually consist of steel rails, installed on ties (sleepers) set in ballast, on which the rolling stock, usually fitted with metal wheels, moves.
New York Athletic Club. In 1962, Nurmi predicted that welfare countries would start to struggle in the distance events: "The higher the standard of living in a country, the weaker the results often are in the events which call for work and trouble. I would like to warn this new generation: 'Do not let this comfortable life make you lazy. Do not let the new means of transport kill your instinct for physical exercise. Too many young people get used to driving in a car even for small distances.