Q:Will the basketball surface there are a few lines of basketball is what made

In fact, the lines of each basketball are not the same ``, are generally 6 or 8 role is: increase friction, adsorption grip, enhance the feel, the line between the small mouth can make the ball more flexible, this design is said Is Chamberlain proposed, because in the early 50s NBA, basketball and no such lines. Basketball production materials are: liner: the ball, the heart of basketball, basketball in the innermost, made of black rubber and butyl. Woven yarn: the current high-end basketball in the liner of the surface evenly wound a yarn, the same shape of the protective layer of cocoon, but many low-end basketball is not wrapped, or replaced with gauze. The support structure between the liner and the epidermis, made of rubber material. Skin: divided into rubber, synthetic leather (microfiber, PU, PVC, etc.), leather three categories. Nose: inflatable channel, air tightness is very critical. NBA basketball is, SPALDING Spalding. Materials and other brands of basketball is no different, the process is similar.

Q:Engage in decoration selected half of the package, engage in the first day of hydropower projects suddenly let us immediately buy the strength of the box because the day will be installed, the results of hurry to buy bad and expensive, that decoration companies should tell us at least one day in advance it is good. Afraid of what must be prepared to let us rush to buy, so would like to ask this half-package what things to buy in advance to get anxious when the current water and electricity has been completed. Other cabinet floor tiles and other large pieces are ready, that is, do not understand the details of the small things added: who knows the details of these things, we have asked all the details of the problem, these little things we do not understand them Did not say more ah

Landlord, these things, the construction unit to inform you one or three days in advance

Q:What are the differences between the eight different colors of the wire in the material?

The material is the same, each line of the law is by the stress, huh, huh. Their own tried, random combination can also be used, but the transmission performance, anti-jamming worse than the standard connection, or even transmission can not.

Q:My house has a ready-made facade, but the location is a little bit biased. There are a lot of home around the lighting shop, and friends that I can do this home building materials, but I do not understand this area, do not know what home improvement building materials? What kind of product is more promising? How much does it cost to invest?

Home furnishings, lighting, ceiling, gusset, aluminum, glass, plastic windows, gypsum line, kitchen and toilet sanitary ware, , Ceramic floor tiles, solid wood flooring, composite flooring, and so there are hardware appliances, locks belong to this category

Q:The first time to open building materials gypsum lines should have what ability

I i original ID and x copy 8; 7 4 units of each other to open the proof, need to cover the other 2 units of the public 8;

Q:Help pc material resistant to ultraviolet light? Online and so on Pc material resistant to UV light? Thank you

Do you know that? Car shade is pc, is to add uv powder?

Q:I am a junior student, now in the material decoration class, need a lot of material samples. Does anyone know where to have such a sample? Question added: in the place to sell materials and building materials market I have tried, people do not give. On the road also took, but there is a problem, I do not know its specific name and price, how do I Get more

Go to a special place to buy materials, say your decoration company, and then take some samples

Q:For the hotel, hospitals, office buildings, residential and other buildings, for the wire tube material selection, there is no relevant specification is clearly what material? Whether it is PVC pipe or galvanized pipe, or other materials, in the unknown. Detailed, I will give more points more

Of course, with PVC pipe, because PVC pipe insulation effect of flame retardant, and inexpensive, is generally no substitute for other materials! The The

Q:Why many people decorate the house when you like to use PU lines, PU wall panels and other top European decorative materials? What are their characteristics?

1. Low cost of construction: surface coating has been completed, can play, can be saw, can be nailed, sticky, than wood and cement products to save 80% of the cost. 2. Light weight: good light hardness, flexibility and good toughness. 3. Integral: the overall planning and design, simple and elegant, art treasures. 4. Water resistance: no moisture absorption, no water, both mildew. 5. Anti-corrosion: the product through the national fire center testing in line with B. can be completely natural, do not help the characteristics of combustion. 7. Environmental protection: the use of synthetic fiber as raw materials, reduce deforestation. Elegant, beautiful, classical, is the ideal home jewelry you have this demand after the words, you can hi the door on the left side of the street double with PU lines! Can call 0591-

Q:How to draw a basketball court. What materials are needed. Under the details of the next.

First of all you have to determine a circle, and then set a virtual parallel to the realization of a dotted line, and then take two straight 14M vertical line, and then draw the edge. If you are afraid of the line is not straight words, you can also paste the tape on both sides of your line, or pad the newspaper line. The The