"What? You're saying you're making something like thunder and lightning? An hour later, under Li Chengqian's explanation, His Majesty Li Er almost stared out his eyes in surprise.

"No, I mean we can already make thunder and lightning, and we're already using it." Li Chengqian squatted on a wooden chair, butted the two threads in his hand together, and said while twisting.

"Then this electric 'crazy' fan is the thunder and lightning used?" The old man continued.

"It's one thing in theory, but it's not the same in practice." Li Chengqian didn't know how to explain the difference between thunder and lightning and three-phase electricity to the old man, but when he saw that the old man seemed to have the intention of reaching out and patting himself, he hurriedly shouted: "Don't, don't touch ......."

Before the word 'I' could utter, the old man had already slapped him on the shoulder.

……

A quarter of an hour later, the thread was connected, and Li Chengqian turned on the switch of the electric fan with a bang, and the fan blades rotated, urging the air in the room to speed up the flow, and the feeling of stuffiness disappeared.

"Father, the 'electricity' thing is actually very dangerous, if it is not necessary, you better not touch it closely, and besides, some things are conductive, and some things are non-conductive."

"You don't have to say this, just tell me why it's okay for you to touch that thread alone, but when I touch you, you're electrocuted." Li Er looked at the rotating electric 'crazy' fan with palpitations, and asked Li Chengqian.

In his eyes, the thing that turns is 'crazy', hurtful, and angry.

"Father, I just called it equipotential operation, because the chair under my feet is non-conductive, so I was touching the thread in mid-air at that time. But when you touch me, it's different, because you're standing on the ground, and the human body is conductive, so I'm hanging in the air and waiting to get back to the ground, and the current passes through the two of us and enters the ground, and we ......"

"Stop, stop talking." His Majesty Li Er waved his hand violently, and made up his mind that he would never touch this thing in the future.

Li Chengqian also knew that telling the old man that these were all vain, and that it would be good to ask the old man not to touch it in the future.

And just when Li Chengqian thought that there was nothing to do next, the old man suddenly brought up the old matter again: "Now let's talk about the problem of your East Palace." ”

"East Palace?"

"Yes, why do you want to make a mess of the East Palace!" After such a long time, the old man has been stirred up because of the electric fan, and his anger has disappeared a lot, and he can already communicate normally.

And Li Chengqian had already thought of countermeasures after such a long time, and when he saw the old man asking, he said: "Father, isn't this also for the sake of insurance, you have also seen how dangerous the wire is, if it hangs outside like it is now, if it is accidentally touched, it will be troublesome." ”

"Really?"

"Of course it's true! Make a ditch in the ground and put all the wires in it, so that no one will touch it by accident and it will be much safer in the future. Li Chengqian swore that he would not tell the old man that this was just for the sake of good looks, because if that was the case, there would be no result except for being beaten.

And it turns out that after the old man was electrocuted, he did have a psychological shadow on the thing 'electricity', and after thinking about it seriously, he recognized Li Chengqian's explanation.

But although Li Chengqian's destruction of the decoration was solved, Lao Li quickly thought of another problem, looked at the electric 'crazy' fan rotating in the corner of the wall, hesitated for a moment and said: "This thing is only such a one?" ”

"Yes, there's only this one at the moment!" Li Chengqian nodded.

"Is this thing a hassle to make?"

"It's not very troublesome."

"Then get a few more, your mother's one was used by me, and she also needs it there, and Concubine Yang, Concubine Xu, Concubine Yin, they ......, oh, and your sister ......, you have cramps? What are you rubbing your fingers for? The old man was halfway through his words, and he saw Li Chengqian stretching out a hand with his right hand, thumb, index finger, and middle finger pinched together and kept rubbing.

"Money, money, father," Li Chengqian was speechless, the old man's mouth was dozens of units, and he didn't want to give money in the end?!

"What money?" Sure enough, Li Chengqian guessed correctly, and as soon as the old man heard the money, he immediately turned his face: "You dug my palace like this, I didn't ask you for money, and now you ask me for money?!" ”

But Li Chengqian didn't have no choice, and he saw that this product instantly changed to a bitter face: "But father, if you don't give money, I can't settle the account, can't you pay hundreds of thousands of yuan, is it gone?" ”

"Billing?"

"That's right, this electric fan wasn't conjured out of thin air by Erchen, Erchen needs to buy materials, right? Need to pay workers, right? If you don't give money, I will lose hundreds of thousands of dollars in this account out of thin air, how can I explain it when I go back to the account department to check the account? ”

"What about this one?" The old man pointed to the electric 'crazy' fan that was constantly turning.

"This one was bought with Erchen's private money, otherwise how could there be only one." Li Chengqian said confidently.

Now His Majesty Li Er had no moves, and after thinking for a long time, he said: "Just a few broken things, you dare to ask for hundreds of thousands?" ”

"Father, you can't look at the problem like this, although this thing doesn't look like anything, but it costs thousands of yuan to make one alone, and you need so many I also need to make a special production line, and this production line also needs money. Besides, you also need wires to install this thing, and you also know that this thing can't turn at all without electricity, so Erchen has to pull the wires, which is a lot of money. ”

In these days, monopoly is money, knowledge is money, anyway, the old man doesn't know the working principle of the electric fan, and he doesn't know what physics is.

Sure enough, it turned out that Li Chengqian succeeded, and the old man finally ordered 40 electric fans at a high price of 500,000 yuan.

As for Li Chengqian, this goods is really not polite, he took the bank bill from the old man with a painful face, and promised to deliver it within a month.

……

Two days later, the old man, who was taking a nap, was suddenly awakened by the sound of plowing, and looked through the window in anger, and immediately found that his yard was being ploughed by countless forbidden soldiers with pickaxes.

What's the situation? Got to my study? Looking at Li Chengqian, who was still pointing fingers in the courtyard, His Majesty Li Er suddenly found that he seemed to have overlooked something, what did he ignore? Why does it hurt my heart? Why is there an urge to hit someone's leg at a discount? ()

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