Wood pellets are a type of fuel used for heating buildings. They are made from sawdust. The manufacturing process takes several steps and uses several different types of machines.
The first machine that is used is the hammer mill. When the sawdust arrives from the sawmill, it is put into the hammer mill. There, the sawdust is hammered into fibers. The fibers are all the same length. The fibers are then dampened with steam, and they are ready for the next machine. It is called the pellet machine. This machine forms the damp fibers into pellets by forcing them through holes.
After the pellets come out of the machine, they are cooled. The cool pellets are vacuumed to remove the loose dust. Finally, the finished pellets are packed into 18-kilo (40-pound) bags. They are then ready for sale. They can be burned in either a pellet stove or a pellet furnace to heat any kind of building.