"Tread, tread..."

"Crunch..."

Eliza and the others left, and Liu Feng took the remaining jadeite back into the box, which was for Frey and Tisi.

"It's so pretty." Allie played with the bracelet on her wrist, and the more she looked at it, the more she liked it.

"Mine looks good too." Mina touched the bracelet on her hand and was also very happy.

"Shh

"Sir, there are people from the Ministry of Scientific Research asking for a meeting." The maid's voice came from outside the door.

"Let him in." Liu Feng handed the box to Mina and said calmly.

"Yes." The maid replied.

"Crunch..."

"Tread, tread..."

The door was pushed open, and an old man walked in and came to Liu Feng to salute, "I have seen Lord City Lord." "

"Slade, is there something going on?" Liu Feng looked at the old man in front of him and asked calmly.

Slade, a man belonging to the Institute of Banknotes, served as the vice president and was responsible for the research of various papers, and he was originally the author of carbon paper and oil paper.

"Lord City Lord, the kind of paper you want has already been manufactured." Slade was a little excited, and the folds on his face spread out quite a bit.

"Where? Bring it to me. Liu Feng's spirit was shocked, and he quickly said.

"My lord, I brought it." Slade pulled a stack of papers from his arms and handed it forward.

Mina raised her hips slightly, took the paper in Slade's hand across the table, checked and found that there was no problem, and placed it in front of Liu Feng.

Liu Feng picked up one, put it in his hand and carefully rubbed it, tried to pull it hard to the sides, and found that the tenacity was very good, and it was not torn.

"Adults, this kind of paper we call No. 7 paper, its toughness is several times that of ordinary paper, and it is not easy to rot when it is wet with water." Slade introduced in detail, the more he said, the more excited he became, "The most important thing is that after printing ink, the color fastness is very strong, and it will not fade when it is wet." "

"Allie, let someone go get some water." Liu Feng raised his eyebrows and ordered.

"Yes." An Li went out of the room, ordered the maid to bring a basin of water in, and placed it in front of Liu Feng.

Liu Feng first took a piece of paper and shot it all into the water, scooped it up and pulled it, and found that it was really tough, and it took a certain amount of strength to tear it.

Then I used the ink on the table and dripped a few drops on the other one. Then bake it dry with a candle, and then rub it with your fingers and it does not fade. Then he was soaked again and faded, which made him excited.

"Good, is this paper difficult to produce?" Liu Feng was very satisfied that this kind of paper had fully met the requirements for making banknotes.

"Adults, making this kind of paper requires six more processes than making ordinary paper, and the raw materials for papermaking are relatively rare, so it is difficult." Slade replied.

"How many people know about this technique?" Liu Feng asked in a deep voice.

"My lord, only me and my two assistants know." Slade pondered for a moment, making sure that only these people knew.

"Very good, from now on, the technology for making this paper is classified as a first-class secret and is not allowed to be passed on." Liu Feng said with a serious face.

Although Liu Feng didn't think that in this world, anyone else could pirate their own banknotes, he still had to do it just in case.

"Yes, my lord." Slade's face changed slightly, and he responded solemnly.

At the same time, I was very excited in my heart, what an honor it was that the things I had researched were classified as first-class secrets.

Mina looked equally serious, picked up a notepad and wrote down the matter, which would be notified to the security department, and then someone would start paying attention to the matter.

"From today to start the production of this kind of paper, other processes are still the same, the extra six processes, fixed let six groups of people to be responsible, each group is responsible for one process, groups are not allowed to communicate and meet each other, must sign a confidentiality agreement." Liu Feng said with a serious face.

"Yes." Slade nodded quickly, ready to go back and admonish his assistant.

"How's the color-changing ink study? Is there any progress? Liu Feng continued to ask, now that the paper for making banknotes has been done, then the next thing is to change color ink and template.

And the template Liu Feng has asked Earth's studio to help make it, and you can get it in a few days, and the main thing now is that the color-changing ink has not yet been solved.

"Lord City Lord, the color-changing ink is still working hard, and I heard the dean say that a difficulty has been overcome, and it should be soon." Slade said respectfully.

"Well, if there are any financial difficulties, although I will mention it, I hope to study it successfully as soon as possible." Liu Feng calmly said that it was time to put the reform of coins on the agenda.

"Yes, my lord." Slade nodded affirmatively and said respectfully, "Subordinates retreat." "

"Go, secrecy must be done well." Liu Feng waved his hand.

"Yes." Slade saluted and turned to leave.

"Mina, go arrange it." Liu Feng said softly after watching Slade leave.

"Yes, young master." Mina left the study to arrange for someone to stare at the Institute of Banknotes.

"Young Master, I heard that the portraits of orcs, dwarves and elves will be printed on the banknotes, is it true?" An Li came behind Liu Feng and reached out and squeezed his shoulder.

"yes." The corners of Liu Feng's mouth turned up slightly, and he nodded.

"Then who is the young master going to print on it?" An Li lowered her head slightly, approached Liu Feng's ear and asked curiously.

"You guess?" Liu Feng reached out and grabbed An Li's hand, pulled her in front of him, and held her on his lap.

Allie's face was blushing, her hands were a little overwhelmed, and she said, "I, I think the elf may be Eliza, the dwarf may be Yili or Euphie, if the orc, I'm not sure..."

"Don't worry." Liu Feng gently reached out and pinched An Li's nose and chuckled, "The template of the banknote has already been made by people, and you will know when the time comes, and it will not disappoint you." "

"Hmm! Young Master...," Allie replied softly.

......................................................

"Four more,( ̄▽ ̄). Ask for support. "_

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