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It can be seen that there is an oil well nearby, and oil is flowing out of that well and into this lake.

If we don't mine again, I'm afraid that in a few days, this oil lake will be full.

Lin Yi retracted his gaze, looked at the two of them, and said, "This is oil, very precious oil." ”

"Oil?" Zi Huai asked, "What is that?" Is it the same as the lamp oil we use at home? ”

Lin Yi said: "It's a bit similar, but oil is more precious than lamp oil." ”

Lin Yi said, stretched out his hand and pointed to the trees, and said: "When I came to see it a few days ago, there were not so many oil lakes here, and after a few days of not seeing them, there were more oil lakes, so we must extract the oil in this lake as soon as possible." ”

Zhang Youxuan thought for a while and said, "Yiyi, you said that these oils are the same as lamp oil, is it possible that these oils can be used to make lamp oil?" ”

"Make lamp oil? That seems like a lot. Zi Huai looked at the oil lake below and said, "I think, if this oil is used to make lamp oil, I am afraid that it will be enough for our entire Ninghe County for a long time." ”

Lin Yi shook his head and said, "I won't use this to make lamp oil, I have another use." ”

"What's the use?" The two asked in unison.

Lin Yi smiled: "Don't look at it as black and unsightly, it can be used for a lot of purposes, of course, the most important role is to use it as fuel." ”

Lin Yi said, looking back at the oil underneath, her eyes smiled into two crescents, she paused, and continued: "From this oil, many kinds of substances can be extracted, these things are very versatile, such as plastics used to make daily necessities, asphalt used to pave roads, in addition, it can also be used to make clothes, medicines, cleaning supplies and so on. ”

"This black thing is used to make clothes?" Zi Huai looked incredulous, and said, "Who would wear such black clothes?" ”

Lin Yi smiled: "After making it into clothes, it is not this black color, red, yellow, blue, green, white, purple, it can be." ”

"So powerful?" Zi Huai looked shocked and looked back at the oil lake below again.

Zhang You preached: "I don't have any ideas about the rest, it's just, Yiyi, this black thing can be used for medicine?" What disease can it cure? ”

Zhang Youxuan can be regarded as born in a family of generations of doctors, and throughout the ages, there has never been a medical book that records that there is a black thing called oil, which can be used to treat diseases.

Of course, Zhang Youxuan didn't doubt Lin Yi because of this, he just felt that he must be lonely and unheard.

Lin Yi said: "This oil cannot be directly used to treat diseases, it needs to be processed. Moreover, Brother Youxuan, the bottles you are holding medicine now are all made of ceramics, right? ”

Zhang Youxuan nodded and said, "It is made of ceramics, and sometimes glass bottles are used, but the cost of glass bottles is higher." ”

Lin Yidao: "From this oil, you can extract a substance, called plastic, which can be made into various bottles with plastic, which is very suitable for filling medicines, and the cost is lower than that of ceramics, which is very cheap." ”

"Ah, how can this oil still have this effect?" Zhang Youxuan's face was surprised, and he looked at Lin Yi again, his eyes were shining with stars.

"Yiyi, how do you know so much?" Zhang Youxuan asked with a look of adoration.

Lin Yi smiled: "That's what is written in the book." ”