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Identification of real cowhide.
1. Identify the first layer of leather.
Now the types of leather due to the development of industry can not be compared with the past, many leather identification methods are very one-sided, can not use a standard method to identify all leather, also need considerable experience in the industry to accurately identify. However, here we can introduce some of the basic characteristics of identifying the first layer of leather, but can not cover the whole with a bias, now many leathers have been tanned through dozens of processes, and some characteristics of the top leathers have been eliminated or diluted in the tanning process, but most of the first leathers can be found in the following characteristics:
The first layer of leather will leave a slight smell of animal skin.
The top layer of leather is mostly squeezed to find irregular textures and pores.
The top layer of leather is very pliable to the touch.
2 Methods for identifying the first layer of cowhide:
We use three methods, such as a look, two touches, and three pinching, to identify whether more than 95% of the leather is the first layer of cowhide, the first step: look!
Different parts of a first layer of cowhide will have different textures, some are larger, some are smaller, and the lines are different.
The surface of the dermis feels very smooth after being touched with your fingers, while the surface of the dermis is generally very astringent, not slippery, and has poor ductility.
Step 3: Pinch.
Since the dermis is elastic, if you press it slightly with your hand, it will cause centripetal wrinkles around it, and you can see irregular natural wrinkles when you fold it slightly.
Step 4: Pull.
There are also identification methods such as stretching, the elasticity of the first layer of cowhide is very good, and the stretch rate can be achieved, which is a good cowhide.
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Like this kind of bag, hat and the like are all one-size-fits-all, it seems to be written m, you have to look at the size on the product information board You may buy 480 * 350 * 150 like this, I 182 is 480 on my back.
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The one-size-fits-all is very suitable for the public, and it can generally be used, and besides, isn't there a strap on the shoulder, which can be adjusted to your suitable length according to your needs.
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What a bullshit bag. She's a junior in high school. How long can you carry a school bag.
It's college, who do you see carrying a school bag? Either buy a perfume or a bag. She's 18 too, right?
has gone from a girl to a woman. Women rely on dressing up. There is a kind.
Buy a set of cosmetics. A proper outfit will do. What school bag to send.
Adinaike's, not earth.
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Looking at this size, I can almost fit it.
However, professional laptop backpacks are specially protected for laptops (there is a suspended sheath to protect the laptop from being bumped by putting the bag underground); I don't know if the so-called "Adi or Nike women's backpack" is a backpack for notebooks or just a sports backpack.
It is recommended that you go to the physical store to see the real situation of the bag, and also go to the computer city to see the professional computer backpack (such as Wig's).
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Hello, please consult with a professional, I don't have any information here.
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It is recommended that you buy the third one, which is the Nike Max Air cushion technology.
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Personally, I think the third one looks more comfortable!
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If you are ordinary, buy a Nike shoulder strap with an air cushion, and if you are better, you can buy a backpack with a backpack system, but if you don't want to look good, buy a backpack that specializes in carrying a notebook Safety.
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Recommended for you: ROGISI Time and Space Rucksack, Hiking Bag, Computer Rucksack, Outdoor Bag, Travel Bag.
Pretty good! There are thousands of rivers and mountains.
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The exact size is: 30 x 15 x 45cm.
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Backpacks: The adidas you see are enough!
Shoulder bag This depends on how much you put on it! If you want to load the book, the width must be 25!
You'd better buy a series, the same color!
Many of Nike are of the same color, different designs, and can be purchased in a set.
Ask me a question.
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Go to Haolemai and wait for ** to take a look, and then ask the administrator, he gave it to you.
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** Pat yourself on the Internet, take your time, there is always one for you.
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I have Walter's, interested can prosper my kitasshop
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