Michael and Anna are farmers. They face an emergency with little help. They check details carefully to solve the problem.
Vocabulary:
Tractor: A machine used on farms to pull heavy tools.
Battery: A device that stores energy to start machines.
Engine: The part of a machine that makes it move.
Oil: A liquid used to make engines work smoothly.
Spark plug: A device that helps start an engine by making a spark.
Practice more with this lesson:

