... snowplow A scooter A freight train 9.I am a large vehicle and I am able to transport people, called astronauts, and cargo between the earth and outer space. I have travelled to space a number of ... get around in a safe and efficient way. What am I? . A wheelchair 4.I am a large, tractor-like vehicle and I am used in the winter time to remove snow from streets and highways. What am ... hills and slopes around the world. I am powered by a motor and I am equipped with a conveyor belt system that pulls a number of seats, successively. The seats are suspended from a cable and...