They help farmers plant and take care of their crops. Tractors also help farmers feed their animals. Tractors can be very dangerous, too. Sometimes the operators drive too fast or get too close to ditches.
Tractors tip over easily.
If the tractor rolls over, the driver can get hurt very badly. This stands for Roll-Over Protection Device. ROPS look like the big roll bars you see on trucks and jeeps. They are metal and are very strong. To make them work, farmers also have to wear a seat belt.