贴子主题:Get the best prescription eyewear for your kids |
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Get the best prescription eyewear for your kids
Get the best prescription eyewear for your kids
Get the best prescription eyewear for your kids
Eyes as we know are the essential jewels. When we talk about kids we have more concern about them. Finding a right pair of prescription eyewear for kids is very tough, because at times kids are not even able to express themselves if they are uncomfortable. It is really confusing to buy an accurate, comfortable, and durable and at the same time a trendy optical eyewear for kids. As the prime thing is kids are really fussy about wearing them and are extremely careless too.
The need of prescription glasses is not only limited to aged and middle aged people, even kids face different kind of vision problems, which can be rectified with the help of the right prescription eyewear. Parents usually panic when they come to know that their kids need a pair of an optical eyewear but one has to go for it so that the vision doesn t get worsen. When choosing prescription glasses for kids one should make sure that they are not too expensive. Eye check up should be carried timely, so that the problem doesn t gets out of control rather halts there, because it is very important that the vision stabilizes.
Finding a glass as said is tough, definitely you want the best glasses which are highly durable and sturdy, but do take care that they are trendy too as your kid might feel inferior wearing them and lose confidence too in his/ her personality. While getting a pair of eyeglasses for your kids do keep in mind the following things.
http://www.jiangnan-optical.com/
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2012/12/24 11:00:22 |
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Cellophane
Cellophane
Cellophane was invented by Swiss chemist Jacques E. Brandenberger while employed by Blanchisserie et Teinturerie de Thaon. In 1900, inspired by seeing a wine spill on a restaurant s tablecloth, he decided to create a cloth that could repel liquids rather than absorb them. His first step was to spray a waterproof coating on to fabric, and he opted to try viscose. The resultant coated fabric was far too stiff, but the clear film easily separated from the backing cloth, and he abandoned his original idea as the possibilities of the new material became apparent.
It took ten years for Brandenberger to perfect his film, his chief improvement over earlier work with such films being to add glycerin to soften the material. By 1912 he had constructed a machine to manufacture the film, which he had named Cellophane, from the words cellulose and diaphane ("transparent"). Cellophane was patented that year. The following year, the company Comptoir des Textiles Artificiels (CTA) bought the Thaon firm s interest in Cellophane and established Brandenberger in a new company, La Cellophane SA.
Whitman s candy company initiated use of cellophane for candy wrapping in the United States in 1912 for their Whitman s Sampler. They remained the largest user of imported cellophane from France until nearly 1924, when DuPont built the first cellophane manufacturing plant in the US. Cellophane saw limited sales in the US at first since while it was waterproof, it was not moisture proof—it held water but was permeable to water vapor. This meant that it was unsuited to packaging products that required moisture proofing. Du Pont hired chemist William Hale Charch, who spent three years developing a nitrocellulose lacquer that, when applied to Cellophane, made it moisture proof. Following the introduction of moisture-proof Cellophane in 1927, the material s sales tripled between 1928 and 1930, and in 1938, Cellophane accounted for 10% of Du Pont s sales and 25% of its profits.
The British textile company Courtaulds viscose technology had allowed it to diversify in 1930 into viscose film, which it named "Viscacelle". However, competition with Cellophane was an obstacle to its sales, and in 1935 it founded British Cellophane in conjunction with the Cellophane Company and its French parent company CTA. A major production facility was constructed at Bridgwater, Somerset, England, from 1935–1937, employing 3,000 workers. http://www.zjkerui.com/en_about.asp
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2012/12/24 11:03:50 |
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Printing and Laminating Film
Printing and laminating film
Product Specifications:This is a roll of Printing and laminating film. The film is of transparent color. Adding the laminating film to printed product will make the paper product looks more attractive.
Comes in rolls of 20 mic x 300mm x 500m
Made of BOPP
Plain film
Available in other materials and designs
Company is located in Shantou City Guangdong province, which was founded in 1989. After years of development, we currently own many in-house machines including the most advanced high-speed printing machine, and over 6,000 square meters factory buildings. Our independent driving design can save large amount of materials, and improve working efficiency.
We professional manufacture plastic packaging with competitive technology and more than twenty years printing experience. We provide all types of color-printing plastic packaging( including stand up pouch with zip or spout, side-sealed bags, pillow-type bags, retort bags, vacuum bags and compound bags) and different structure films (for instance, printed packaging films,Printing and laminating film, laminated roll films, multilayer plating aluminum roll film, printed PVC shrink films, shrink label roll film, auto-static films), which are all superior quality. http://www.zjkerui.com/en_about.asp
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2012/12/24 11:06:10 |
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What Size Electrical Wire Do I Need
What Size Electrical Wire Do I Need
In order to install any electrical wire installation, the proper wire size for the application is needed. But how do you know what size wire to use? Wire is sized by the American Wire Gauge (AWG) system. Your installation of conductors will depend on a few factors. The gauge of the wire, wire capacity, and what the wire will feed should all be considered.
You’ll notice that the smaller the wire gauge, the larger the ampacity that the wire can handle. Wire ampacity is the safe amount of current that a wire can handle without getting hot or causing a fire. The following examples of devices in your home, the ampacity that they are rated for, and the wire gauge, will help you determine the right size wire for the appropriate application.
Since 2001, the National Electrical Wire Processing Technology Expo continues to be the exclusive showcase for the latest technology for the electrical wire harness, wire & cable processing and related industries.
Meet over 100 world class suppliers of equipment, instruments, tools, materials and supplies used in
wire & cable harness assembly, inspection and repair.
Electrical wires have markings stamped or printed on the outside sheath of the cable. These markings tell what type and size of wire that you have. But looking deeper, the color of the wires inside of the sheath, like in type NM cable, will reveal that different color wires serve different purposes.
http://www.ht-cables.com/products/Electrical-Cable/
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2012/12/24 11:08:26 |
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Draka Flexible Cables
Draka Flexible Cables
As a world leading cable manufacturer, Draka is a key supplier of flexible cable for all applications. These include PVC flexible cords for general purpose use with domestic appliances and portable tools and rubber flexible cables for application where PVC sheathed cable is not suitable.
The H07RNF rubber flexible cable are supplied for flexible connection to industrial and agricultural plant and on construction sites. Draka’s flexible rubber cables are used in situations where PVC types would not be suitable, such as hot, cold or damp environments.
For outdoor use, where low temperature performance is required, a range of arctic grade PVC flexible cables are available. Flexible control flexes are supplied in YY, CY and SY designs for industrial machinery and plant engineering.
Tri-rated, high temperature wiring for the internal connection within electrical panels of equipment is also available.
All Draka flexible cables are manufactured to the appropriate UK or harmonized specifications and hold the appropriate British Safety certification and approvals.
http://www.ht-cables.com/products/Electrical-Cable/
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2012/12/24 11:10:59 |
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Gas spring
Gas spring
A gas spring is a type of spring that, unlike a typical metal spring, uses a compressed gas, contained in a cylinder and compressed by a piston, to exert a force. Common applications include automobiles (where they are incorporated into the design of struts that support the weight of hatchback doors while they are open) and office chairs. They are also used in furniture, medical and aerospace applications. Much larger gas spring are found in machines that are used in industrial manufacturing (the press tooling industry), where the forces they are required to exert often range from 2500N to 400,000N (Forty tonnes).
To properly use gas springs in even the simplest application, users should understand how they work and how a gas spring can be modified to meet specific operating requirements. All of the topics covered in our Gas Spring Resources represent a gas spring feature or characteristic that can be modified to enhance gas spring performance. The information on gas springs in these sections apply equally to compression gas springs, tension or traction gas springs, and locking and stainless steel gas springs.
To properly use gas springs in even the simplest application, users should understand how they work and how a gas spring can be modified to meet specific operating requirements. All of the topics covered in our Gas Springs Resources represent a gas spring feature or characteristic that can be modified to enhance gas spring performance. The information on gas springs in these sections apply equally to compression gas springs, tension or traction gas springs, and locking and stainless steel gas springs.
http://www.lidayy.com/en/products_category.asp?id=103
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2012/12/24 11:12:50 |
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Roll forming tools with "Fit-for-Production" Guarantee
Roll forming tools with "Fit-for-Production" Guarantee
The C Purlin roll?forming?machine manufactured by our company is used as the supporter of roofs and walls in large-scale and mid-scale construction, such as factories, warehouses, garages, exhibition centers, cinemas, theatres, gardens, and so on. The product of our C Purlin Roll Forming Machine is used as the supporter of roofs and walls.
roll?forming?machine starts with the provision of advice to the customer. The roller specialists at Dreistern provide support even during product development. They recommend suitable materials, check the feasibility of profile shapes and also check the required tolerances. Difficult profiles and close tolerances are their speciality. This is no accident. All Dreistern specialists have extensive training behind them before they start their first job.
And there is something else that differentiates Dreistern from others: every Dreistern roll forming tool is tested and ready for production on delivery. For this purpose Dreistern has ten in-house trials machines. This is the reason why Dreistern can provide a fit-for-production quarantee. The advantage for Dreistern customers: they can already start to produce while others are still experimenting.
In over 60 years Dreistern has supplied more than 7,000 complete tool sets for open or welded profiles. All Dreistern customers have above-average success on working with Dreistern roll forming machines and tools.
http://www.shmaxwell.com/En/ViewP.asp?SID=2&NID=132&VID=219&TypeID=3
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2012/12/24 11:14:57 |
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1976 Ewald with first power seamer
1976 Ewald with first power seamer
One day in 1976, while working on-site for a company, a roofer installing a metal roof observed and approached Ewald with a request- would Ewald be able to Metal roll former that could form his roofing panels? Forming the panels manually on-site was highly labor-intensive and alternatively, pre-packaged panels raised the cost so significantly that there was little to no profit for the roofer. A machine of this type could resolve and conquer the obstacles and create a competitive and profitable climate for the roofer.
Ewald was intrigued by the idea of developing a type of Metal roll former for the double-lock standing seam metal roofing industry. At that time, he had no idea that there would be a market for this type of equipment, as this industry was totally foreign to him. But he set to work and designed and built the first machine in the U.S. market for L.M. Martin in Ephrata, PA. The roofer returned after successfully using the machine, proposing a partnership with Ewald to build and sell more of these machines- at that time, this was cutting edge technology that could be made available to roofers! However, as an independent person, Ewald decided to investigate the need for this type of equipment on his own. He built another machine and sent photographs to the then existing trade magazines as a new product offering. What he discovered from an overwhelming response was that he had a viable product. Ewald said, “people were sending in deposits without ever seeing the machine. I could never have filled all the orders. I had let the cat out of the bag. Everybody wanted it, but nobody built it, and I didn’t have the capital or the capability to meet the demand.”
http://www.shmaxwell.com/En/ViewP.asp?SID=2&NID=132&VID=219&TypeID=3
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2012/12/24 11:17:00 |
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C&Z Purlin Forming Machine
C&Z Purlin Forming Machine
C&Z purlin forming machine Founded in 1997, Ruijia Industry Co., Ltd. is a modern group with 5 subsidiaries and 16 branches. Our Trading Center, Test Center, Technology Center and R&D Institute make up a strong company. We also own ISO and CE certificates to satisfy your high quality product requirements. So far, we have 400 employees, including 63 engineers and 180 special technicians. Our subsidiaries: Shanghai Diancang Door Industory Co., Ltd. Shanghai Baolu Technology Co., Ltd. Shanghai Reliance Press & Form Co., Ltd. Shanghai Lifeng Machinery Manufacturing Co., Ltd. Huazhong Roll-Forming Machine Equipment Co., Ltd. Our mission: a. To continually improve products quality and performance; b. To provide the highest price-value for global customers; c. To be responsible and contributing member of community; d. To maintain the highest ethical standard with partner.
The production process selects the automatic control method, operater can change the parameters by PLC control system for cutting length, longitudinal pitch of holes, quantity and so on to carry on the automatic punch holes, cutting and roll forming.
C&Z shape purlin exchange C&Z purlin forming machine consists with the guider, leveler, hydraulic hole punch device, the hydraulic cutting device, fast roller exchange forming machine, the electric controll system, etc.
C&Z purlin forming machine is fully automatic for manufacturing C or Z purlin which can be used for steel frame of factory buildings. Punching and cutting are completed at the same time. After roll formed by this roll forming machine, the surface will be very smooth and beautiful without any scratch on surface.
http://www.shmaxwell.com/en/ViewP.asp?SID=51&NID=102&VID=147&TypeID=8
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2012/12/24 11:18:48 |
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Gear Manufacturer
Gear Manufacturer
Yeh Der gear manufacturer is the leader in design and manufacture of plastics gears products. The products contain worm, helical, pinion, spur, bevel and other gears. All procedures from moldflow analysis, mold design, making to injection molding are accomplished under one roof. The acquirement of ISO 9001 certificate ensures that each step of manufacturing process is under stringent quality control. Our state-of-the-art precision measurement equipment includes concentricity gauges, 2-D vision measuring instruments and gear rolling test machines, etc. In answer to customer s needs, the engineering staff are committed to continuous improvement in every aspect of the products and services we deliver. In addition to existing gears, custom-made products according to customers designs and specifications are welcome.
Yieh Chen Machinery Co., Ltd. is a gear manufacturer of gear for air screw compresser, gear for textile machine, gear for cnc lathes, gear for machining center, gear for hydraulic pumps, gear for auto parts, gear for printing machines and more.
Yieh Chen is among the most technologically advanced gear manufacturers in the world. To meet the requirements of the customers, we not only constantly endeavor to improve the quality and reduce the cost of our gears, also enhance our service with prompt response. Yieh Chen is constantly upgrading itself to offer you leading edge performance. Looking for professional gear manufacturer, Yieh Chen is your first choice!
http://www.sanchia8.com.tw/ab.php
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2012/12/24 11:20:31 |
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