A man starts explaining.

"Uh, whoa, my name is Marta Halnstein, and I'm an engineer. In this territory, I flew in when I heard you were making a very ambitious attempt. We are usually asked to do so in Wang Capital, but this time the Church is on patronage, so we want to sit back and work on it."

When the man named Marta shook the abundant meat on his white face, he removed a stick with a small handle from the box he had placed on the floor.

"Uh, I don't think it's necessary to explain to those here, but a water wheel is a circular exercise. That's why we use the power of water to turn a car called a water wheel, and we use that power to turn heavy stone molars. Now, the problem is the direction of rotation. The water wheel turns vertically. The stone molar turns to the side. So it's the mechanism that makes up the meantime."

When Malta turns the small handle in her hand, the gear on the tip of the stick meshes and another gear turns.

"There are several types of this mechanism, but it is said that it is good to use gear for areas where great force is exerted. So you use gear to convey power. Another thing, the gear also has another job. Thus."

Marta lets me try to get the big gear and the little gear out of the box.

"When you combine a big gear with a small gear, something interesting happens. The big gear turns slowly, the little gear turns quickly. With this, you can make small, quick turning things with things that go around slowly with great force. Also, if you put two gears in contact with one gear, with enough force, you can move the two mechanisms in one big turning thing. Do you know what this means?"

When Malta speaks meaningfully, Abel asks him to answer.

"You can turn more stone molars than the number of waterwheels"

"Yes!

Get it, or Malta will have a full grin.

I raise my hand and ask questions because I just felt a little nasty.

"Does the life of the mechanism not shrink when the force is concentrated on one gear"

He reluctantly admitted, for a moment, that he was struck by questions from an unexpected direction, after showing a muddled face.

"Well, that's possible."

Somehow, I feel like I'm figuring out this guy's technical habits.

I am good at fine mechanisms, but industrial interests such as maintenance and strength seem to be weak.

"You can move a variety of equipment at the same time, as long as you have one other rotating power. For example, wheat milled falls from the perimeter of the stone molar, but the mechanism for collecting it can be moved with the same power. If you collect it and put it in a barrel or a sack, you'll have to watch the water wheel move."

That's a feature that I really want to achieve.

I'll try to bump the request in a bit.

"We're talking about the exit now, what about the entrance? Is it possible, for example, for a mechanism to periodically drop a certain amount from a bag in a box and automatically into a stone mold?

I wonder if I can create a mechanism like a timer because I can make a regular duck.

Marta nodded firmly, thinking a little about my question.

"Hmm... you mean a waterwheel cabin completely out of people's hands. So if you feed on wheat, you have a bird-like mechanism that excretes powder. Yes, you can!

No, I don't care about birds.

Being able to is quite a comforting word.