The indigenous people could not understand the ever-turning watermill, just as they could not comprehend the inscrutable power and fearsome range of firearms.
But for them, knowing too much was meaningless, and learning was not something that brought joy.
They only needed to know that this peculiar machine, constantly making noise, could help them work, grinding barley, wheat, or cocoa beans into powder.
...
Once the ends of the "C"-shaped artificial canal were opened, the diverted river water flowed continuously along the canal day and night.
Under the guidance of Sunday and Saturday, the indigenous people mastered the use of the watermill—it was quite simple.
After the harvested grains have been dried, they could use the watermill to process them.
