input question: - Coal is loaded into the firebox - The boiler produces steam under high pressure - The steam generated in the boiler flows down into a cylinder - Just ahead of the wheels, pushing a tight-fitting plunger, the piston - The piston is connected to one or more of the locomotive's wheels through a kind of arm-elbow-shoulder joint called a crank and connecting rod - As the piston pushes, the crank and connecting rod turn the locomotive's wheels and power the train along What might be the last step of the process????
output answer: An outlet valve opens and the piston pushes the steam back through the cylinder and out up the locomotive's chimney

input question: - You plant vegetable seeds in the ground - You water the seeds - You wait for the seeds to sprout - You keep the area free of pests and weeds while the plants grow - You thin out the plants as they get bigger to give them space to grow What might be the last step of the process????
output answer: You remove the vegetables from the plants when they are ripe.

input question: - You speak into the receiver on your phone - Sound waves move parts inside the receiver - Movement causes the magnet inside to produce eletricity - Electricity is transferred through a wire or cable - A membrane in the other persons phone is vibrated by the magnet in their telephone - Sound is produced What might be the last step of the process????
output answer: They hear you.

input question: - They expand to take the air in - The cells of the lung hold the air - They take in the air and remove the Oxygen - They inflate and all the bad air leaves through the mouth What might be the last step of the process????
output answer:
They do it all over again.