When Wu and the others heard this, they immediately put down the work in their hands and came to Lin Yi's side.

Lin Yi stretched out his hand and pointed to the pecans floating on the water, and said, "Some of these pecans are bad seeds and empty seeds, and we have to select these bad and empty ones now." ”

Lin Xi immediately asked, "Third sister, how do you know which of these pecans are bad and which are empty?" Do you want to knock them all open? ”

Lin Yi smiled: "Of course you don't need to knock it open, you see, this kind of floating on the water is more than bad seeds or empty seeds, we just need to pick out this kind of floating on the water surface more." ”

"Really?"

Lin Xi's eyes lit up, and he immediately fished out one that was higher than other pecans from the water, then squatted on the ground, took the back of the kitchen knife that peeled the walnuts and knocked it hard, knocked it several times, and finally knocked the pecan open.

Sure enough, there was nothing in it except the Yan Yan Nei.

Lin Xi was surprised, and hurriedly asked, "Third sister, why is this?" Why is it that if it floats high, it will be an empty shell inside? ”

Lin Yi smiled: "It's very simple, if there are nuts in it, shouldn't this pecan be heavier than the empty shell, if it's heavier, in the water, will it sink a little more." ”

"That's right!" Lin Xi clapped his two little hands and said with a smile: "Third sister, you are so smart!" ”

Lin Yi smiled silently, and took the people in the family to pick the empty seeds and bad seeds together, until everyone learned to choose, she retreated to the back, lifted her two little hands to take a look, and suddenly felt distressed.

The small hands, which were originally white, are now stained with black on the tips of the index finger and thumb of the right hand......

When she peeled the pecan skin, she was already very careful, but she was still dyed some, this is just peeling such a little pecan, if she peels all these hundreds of catties, then she can't dye all her hands into black charcoal.

No, we have to find a way, otherwise everyone in their family will turn into black claws.

In modern times, someone has invented a machine specifically designed to peel green walnuts.

The principle of the machine is actually very simple, that is, the hob rotates at high speed, peels off the skin on the surface of the green walnut, and then falls into the drum containing cleaning liquid below, cleans it like washing clothes, and then rolls out of the landslide next to it.

Although the principle is simple, it is difficult to build this machine in an ancient society that has not entered the industrial age at all, without the help of electricity.

Even if they can make a manual machine, the cost is extremely high, and the cost is too high for their current 1,800 catties of pecans, and a machine for peeling pecans.

So Lin Yi thought about it and finally decided to hire someone to do the work.

Ji Qianmo saw that the fingertips of Lin Yi's right hand had turned black, so he hurriedly grabbed her little hand, put it in the palm of her hand and looked at it carefully, and said distressedly: "Daughter-in-law, why did your hand turn black?" ”

When Lin Lu saw it, he said: "It's the green skin of that pecan, peel the walnut skin by hand, and your fingers will be dyed black." ”

Ji Qianmo suddenly realized, turned his head and glanced at the basket full of pecans outside, and immediately said, "Daughter-in-law, don't peel them tomorrow." ”

Lin Yi originally planned not to peel it tomorrow, but when she heard Ji Qianmo say this, her heart was still warm, and she asked with a smile: "There are so many pecans, I won't peel them tomorrow, so who will help me peel them?" “