Ambulance drivers transport sick, injured and recuperating persons. They are assisted by ambulance attendants.

Crane and tower operators use mechanical booms, cables, or tower and cable equipment to lift and move heavy objects or loads.

Conductors coordinate and supervise the travel of passengers and cargo on trains. Yardmasters move trains in yards and see that they come and go safely with the correct cars attached.

Bus drivers transport people en masse from one place to another. There are three types of bus drivers: local, intercity and charter.

Light truck drivers transport goods or materials in small trucks. They help load trucks, drive them to customers and help unload shipments.

Material moving machine operators use machines to move mining products and other heavy loads.

Air traffic controllers work in airports. They coordinate air flights to ensure pilots and passengers travel safely, and they manage airplane traffic.

Heavy truck drivers transport goods and materials in large trucks or tractor-trailers.

Captains command ships. They set the course and speed and steer vessels to avoid hazards and other ships. Mates oversee the operation of the vessel for part of the day.

Ship engineers operate engines and other equipment on many types of ships.

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