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It is convenient for the heat of the food to come out, so that the food can stay crispy and fresh in the box, so that it will not be so quickly smoked by the heat that comes out of the box. This principle is very simple, because everyone knows that cooked food, except for cold food, will emit heat, and if fresh food is placed in a closed box, the hot air meets the cold air outside and quickly condenses in the box or on the wall of the box, turning into water droplets or water vapor.
If your food is fried food, which is more crispy, then these foods will be very pitiful, and they will be cruelly soft and no longer crispy and delicious after being soaked in water vapor.
Therefore, in order to ensure that the food will not be softened and wet by water vapor during the time from the counter to the diner or from the McDonald's store to the delivery customer's home, McDonald's often has a hole in the food box. This allows the moisture to come out without collecting in the box and making the food soft and unpalatable.
And as we all know, if an object constantly emits water vapor and is hot, then in a confined space, the continuous emission of water vapor from this object will affect the pressure inside and outside the box, making it very difficult to open the box, no matter what the material of the box is, whether it is plastic or cardboard. So making a hole in the box is not only to keep the food fresh, but also to allow everyone to open the box smoothly while eating.
In fact, not only McDonald's, but also many other takeaway boxes will also add some appropriate amount of holes, which may be learned from McDonald's, or they may have thought of themselves, and I have to say that the current service industry is becoming more and more thoughtful for customers.
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The opening is for ventilation and ventilation. Those of us who have eaten McDonald's outside should know that McDonald's burgers will be very hot after they are just done, especially those who choose to take out, if there is no such hole in the box containing the burger, then the heat of the burger will be stuffy inside, and then it can not volatilize, the burger is generally two slices of bread sandwiched with a piece of meat, and whether it is a chicken leg burger or a beef burger, if the mezzanine inside it is placed for too long, and it has not been breathable, the layer of meat inside will become particularly unpalatable, It doesn't have the kind of aroma that it just made before.
And if you don't have a hole in the hamburger box, then things like the two slices of bread in the burger will also become unpalatable. Generally, if hot things are placed there, and then they are not breathable, there will be a lot of small water vapor-like water droplets inside, and more water droplets will easily affect the taste of the food itself. The hamburger box will be made for this reason, otherwise the hamburger that you choose to take out would have been soaked in the water vapor and the bread part would have melted, and the meat in the middle would have become difficult to swallow because of the water droplets.
You must know that the existence of everything in this world has its meaning of existence, if there is no function, it will not exist, and it has long been eliminated by the times, so there will be such holes on the packaging box of hamburgers because of its needs, otherwise why make such a box!
However, I think that although the hole in the box is better, the taste is better if you buy it in the store and eat it immediately, and the longer you wait, the more unpalatable the taste becomes, but you can't just change it on the box. Otherwise, why are there so many people willing to eat in the store, but so few people are willing to take it home! Except because there is something, who wants to choose to take out!
I hope that it can be solved directly in the store.
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McDonald's, KFC, Pizza Hut and so on must have eaten fast food, basically every teenager likes to eat these fast food, sometimes busy and tired, or office workers have no time to eat, will order takeout, and most of the takeaway is these similar fast food, however, most people only know to eat but do not find that in fact, these fast food boxes have a few holes, do you know why?
We all know that these fast foods are relatively fast, basically two or three minutes are good, basically no more than five minutes, in fact, these fast foods are hot after they are done, if you don't make two holes, the cold air can't get in, and the box is full of hot gas and it will be converted into water vapor, that is, we use the local dialect to say hydration, which will affect the taste of the hamburger and become soft, so it will not taste good. <>
The second is that if we don't eat it in time after we buy it, it will become cold, and if you eat it cold, you may eat bad stomach, and the hamburger is full of meat, so most people will use the microwave to heat it if it gets cold, and if the microwave is hot, the lunch box must have holes, otherwise it will blow up the microwave oven, which may not only cause harm to yourself, but also the microwave oven will also break. Like our usual hot rice, the eggs cannot be heated, and the lunch box has to be ventilated to heat it.
That's why there are two small holes in the hamburger box, in fact, the main thing is the first one, I'm afraid that the burger will become wet and soft, affecting the taste of the food, just like a freshly steamed steamed bun, if you use a bag to carry it, it must be breathable, they are all the same principle. So if there is something we have to eat while it is hot, don't wait until it is cold before eating, it is not delicious and there is no nutrition, and sometimes it is easy to have diarrhea when eating. Hehe, in fact, the people at McDonald's are quite thoughtful.
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<> "This is a packaging design brought by designer Rob BYE to McDonald's burgers, compared with the packaging of cartons + paper bags + plastic bags that M Ji is used to, this improved version of the packaging, with one box to put all the fries, burgers and cola in, which can save more materials and is more environmentally friendly.
This is a redesign of the packaging of a McDonald's burger, isn't it particularly good?
This is the existing McDonald's burger packaging, which is too cumbersome and wasteful of materials, and does not protect the environment.
Yes. <>
Rob Bye's plan is equivalent to adding a long side of the existing hamburger box with an open hole, when used, the upper and lower lids of the box are filled with hamburgers and fries respectively, and then the long side is folded over as a partition, and then the box is closed, and the hole on the other side of the long side is just used to put drinks
So, a burger, fries and a drink were all in one box.
And it doesn't affect the customer's eating at all, so isn't that great?
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It could be that the hamburger allows it to see who the "**" is before it is eaten
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1. Let the hot gas dissipate to prevent the hot air from pre-cooling and turning into moisture to soften the pie.
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It should be heat dissipated, if the heat can't get out, the product will be cotton, and the taste will be bad.
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- To evaporate water. I skinned the surface of the pie.
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It is the difference between winged potatoes, wings, pepper wings, and red wings.
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Water is heated and evaporates into gas, and when there is more gas, the pressure in a small space increases. That is, the air pressure is increasing, the more you press the more difficult it is to cover, after opening the small hole, the gas is discharged, then the closed space between the cup lid and the quilt can not be formed, and the cup lid will not be affected by the air pressure, and the cup lid can be easily covered.
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Right. I don't know if you have noticed, if you don't open the hole, force the lid down and the lid will bulge. That's the air pressure problem.
A cup of hot coffee has gas and water vapor rising upwards, so it is necessary to open the hole to breathe. Let the air release the pressure from the hole, and the lid will be easy to cover if it can't withstand the pressure...
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Yes, the water vapor forms a high-pressure area on it, and when the lid is closed, it pops off.
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It should be closed when storing, otherwise the air will not be able to keep it fresh at all, and there is a hole in the lid designed to extract some of the air in the box. When storing food, close the lid tightly.
Close the lid on the small hole (this small cover can only breathe out and not intake), press and loosen the lid several times, the air in the box will be discharged from the hole, the lid will sink, and the inside will be in a semi-vacuum state, so as to improve the preservation effect.
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It should be closed.
This kind of hole will usually have a lid to cover it. The function of this hole is to remove excess air when closing the lid of the box, so that the amount of air in the box is reduced and the lid of the hole is closed, so that the air pressure in the box is smaller than the outside air pressure, which can make the lid of the box more tightly and prevent air leakage.
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There is a crisper with a hole in the lid that is designed to extract some of the air out of the box. When storing food, fasten the lid tightly, close the lid on the small hole (this small lid can only be out of the air but not in the air), press and release the lid several times, the air in the box will be discharged from the small hole, the lid will sag, and the inside is in a semi-vacuum state, so as to achieve the purpose of improving the freshness effect. I don't know if you're talking about this kind of crisper box.
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The stirring rod does have holes, but it is not a straw, the hollow one uses less material than the solid one, the cost is low, and it is the same to use. And it's best not to use a straw for hot drinks, which are easy to be burned.
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I've always used it as a straw.
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The opening of the long groove on the top is for you to put your bank card, and the square hole on the bottom is for you to put your SD card.
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The decoration is good-looking, and I guess there is nothing left.
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The design of the chalk case originated from the principle of the straw box in McDonald's restaurants. Every time you press the spring groove, a piece of chalk will flow out of the box, which is convenient and automatic.
The chalk box is composed of three parts, the first part is the theme box structure; It includes two squares, one with white chalk and the other with colored chalk. The second part is the automatic spring device; It is mainly composed of a main shaft and a spring, which has the effect of supporting and closing, and the chalk acting on the box flows out into the groove. The third part is the ** box; It is mainly located on the right side of the chalk box, which is used for the used chalk head, which has the effect of environmental protection and cleaning.
The chalk box is made of plexiglass, transparent, durable, with good toughness and ornamentality, suitable for use in primary and secondary school classrooms. Convenience and practicality are its biggest features.
This ** has a picture.
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There is a space in the middle for the straw, a long hole below, the hole straw in and out, and a depression device to open the hole, and the straw will come out by itself.
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Very simple. A box with a lid on top for straws and a long hole underneath that can only hold one straw out. Plug it with a pusher, and each time you press the pusher, the hole is opened and the straw comes out under pressure.
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Experience to know him, although he also said that people make it better, let him still let him let him delve into the murder of the goods wet4 forehead that today.
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