"Lord Qiqi, the chief arrester of the Pingxi City Torture Yamen has arrived, and he is waiting outside the door......

There was a sound of announcement from the bear rolling outside the door, Yan Liqiang raised his head from the pile of paper on the table, glanced outside the door, and his heart moved, "Let him wait for a while, I will finish dealing with the matter at hand, and then let him in......"

"Yes!" the bear bowed and took the order.

Yan Liqiang's gaze was once again on the pile of papers on the table, and he muttered to himself, "Interesting......"

At the top of the pile of paper were a few drawings, and Yan Liqiang, as a man of two lifetimes, was very familiar with the things on those pictures - on those two pictures, one picture had a figure of a screw and a nut on it, and the other was a bearing.

The screws and nuts on the picture look a little rough, the spiral threads are not fine enough compared to the ordinary screws that Yan Liqiang saw in his previous life, the opening of the silk teeth is also a little large, and the square nut head looks a little weird, but these do not affect their identity, this is indeed a screw, the metal sample of this screw is placed in a box next to it, and the sample is exactly the same as the figure.

Compared with this screw, what makes Yan Liqiang more interested is the bearing, the diameter of the whole bearing is about fifteen centimeters, the diameter of the inner ring is the size of a duck egg, there are four cylindrical rollers in the bearing and the inner ring are connected together, it looks stupid and black, but again, this is also a genuine bearing, the sample of this bearing is also placed in a box next to it, Yan Liqiang has just seen it, pick it up and turn it with his hand, it can rotate quickly, and the resistance is very small。

From the beginning of the establishment of the Manufacturing Bureau, Yan Liqiang attaches great importance to the initiative and inventive spirit of the craftsmen in the Manufacturing Bureau, as long as there is a breakthrough in invention and technology, there are heavy awards, this heavy award, is not like other craftsmen and weapons battalions to make some good things only reward a ten taels of eight taels or dozens of taels of silver, the rewards in the Manufacturing Bureau, the least are a hundred taels of silver to start, the most even tens of thousands of taels of silver, it is in this atmosphere, the craftsmen in the Manufacturing Bureau are like chicken blood, full of enthusiasm, and have made a lot of small inventions and process improvements, and these screws and bearings are the latest things made by a few new craftsmen in the manufacturing bureau, and they are also the subject of Yan Liqiang's reward for public relations in the manufacturing bureau.

The screw solves the problem of connection and fixation between metal parts and even between non-metal parts, and the bearing solves the problem of the efficiency and durability of the traditional sliding bearings used in the four-wheeled carriage produced in the manufacturing bureau。

The craftsman who made the screws was originally a jewelry craftsman in Pingxi City, with good craftsmanship and specialized in making exquisite things.

The invention of the bearing is also a bit funny, because when the water and fire machine was made before, the flywheel and the rotating shaft of the water and fire machine have actually been applied to the principle of roller bearing, but there is no bearing on the water and fire machine, but four independent rollers are added between the flywheel and the crankshaft, and the whole mechanism is completely connected with the water and fire machine, which is part of the water and fire machine mechanism.

This time, after manufacturing hundreds of water and fire machines in the manufacturing bureau, a craftsman finally thought that if the connection between the crankshaft and the flywheel on the water and fire machine was removed, and the rotating rollers and upper and lower parts were turned into an independent part, wouldn't this part also be used in other places, so the first roller bearing in the Silver Continent was born.

Until now, although these two things have been made, the craftsmen on the side of the manufacturing bureau have not yet named these two things.

These two things made Yan Liqiang like it very much, but what made Yan Liqiang even more happy and relieved was that he finally saw the vitality and creativity shown by the Manufacturing Bureau, and with such ability, the Manufacturing Bureau was the Manufacturing Bureau in Yan Liqiang's heart.

- At this moment, it can be named screw, and the inventor craftsman will be rewarded with 10,000 taels of silver!

——This thing can be named bearing, the inventor craftsman rewarded 20,000 taels of silver, this thing can be used in the four-wheeled carriage first, in the latest water and fire machine, you can consider the connection between the flywheel and the crankshaft, replace it with this thing, the screw and the bearing both things have room for improvement, hope that the craftsman in the bureau will continue to study, make persistent efforts!

——I am very relieved to see that there are many craftsmen in the bureau, and they are used to drawing with pencils, and the size and dimensions in the drawings are clearly marked!

Yan Liqiang took out a pen, brushed and brushed on the official document reported by the Manufacturing Bureau, and then put the official document together, put it aside on the table, and after drinking two sips of tea and resting for a while, he asked the chief arrester of the Pingxi City Torture and Arrest Yamen who was waiting outside to call in.

In just a moment, a man in a soap suit came to the hall, and as soon as he came in, he glanced at Yan Liqiang, who was sitting behind the public case, and immediately saluted, "Han Ping, the chief arrester of the Pingxi City Torture and Arrest Yamen, has come to see Lord Inspector!"

With a thick beard, a Chinese face, a dark face, a strong physique, and a general head-catching uniform, such a person casually stops on the street, and indeed has the momentum that makes those young people in the city frightened, this person is not a stranger to Yan Liqiang, but an "acquaintance", but who can know that such a person is actually a person from the White Lotus Sect......

Yan Liqiang sighed secretly in his heart, the snake in his head had begun to move, and his face was even more kind, and he showed a smile, "Sit down, don't be informal, speaking of which, I and you are also meeting for the second time, I remember the last time we met, it was a few years ago, Lord Sun came to Pingxi City to inspect and took Ye Tiancheng, I went outside the city to search Ye Tiancheng's villa, I remember that at that time, it was you who led the team outside the village......"

Hearing Yan Liqiang say this, Han Ping's face immediately showed just the right amount of flattered excitement, his butt just touched the chair and immediately springed, bowing to Yan Liqiang again, "I was afraid of the lowly position, I didn't expect the Lord Guardian to see the lowly side a few years ago, and I actually remember it!"

"Haha, I have a good memory, I remember that you were just a head catcher at that time, but I didn't expect to become the chief head catcher in the past few years, you did a good job!"

"Humility and conscientiousness, thanks to the promotion of Lord Wang Jianbei ......"

"Do you know why I called you this time?"

"I can guess a little!"

"Haha, you're real, then tell me why I called you!"

"My lord called the humble office, presumably for the case of the disappearance of the students of the Kyudo Society!"

"Yes, you guessed right!" Yan Liqiang's eyes narrowed slightly, leaned forward, and stared at Han Ping's face with a serious face, "This matter has a bad impact, the missing Xue Cao is also an excellent student in the Archery Society, and has advanced to the rank of warrior, in your opinion, who dares to kidnap Xue Cao, you have been tracking it for so long, what news is there?"

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