Christmas is an annual festival commemorating the birth of Jesus Christ, observed primarily on December 25 as a religious and cultural celebration among billions of people around the world. Christmas Day is a public holiday in many of the world's nations, is celebrated religiously by a majority of Christians,as well as culturally by many non-Christians,and forms an integral part of the holiday season centered around it.
When talk about Christmas, it reminds me of Santa Claus and Christmas tree. And Christmas tree is used every Christmas,Today's article mainly talks about How to store antique ceramic Christmas trees.
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Surface Disinfection of Article
1.Killing a general bacteria propagators : irradiation dose shall be up to 10000uW.s/cm2
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Today let us talk something about the copper nut. The definition of a copper nut is a nut made of copper (usually lead brass, such as H59, H62). The copper nuts we come into contact with daily are mainly hexagon nuts or other copper nuts that match the bolts.
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Bushing bearing is a cylindrical mechanical part sleeved on a rotating shaft and is an integral part of a sliding bearing. Generally speaking, the Bushing bearing and the bearing seat adopt an interference fit, while the Bushing bearing adopts a clearance fit.
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General purpose stainless steel parts performance use summary
Many variable factors indicate the characteristics of the corrosive medium, ie, the chemical and its concentration, atmospheric state, temperature, and time, so if the correct properties of the medium are not known, it is difficult to use materials and select materials. However, the following can be used as a guide.
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Made in China is gradually upgrading, and Zhonglida Machinery is also participating in this wave. Gradually developed from several automatic lathes to now have 20 CNC machining centers, 30 automatic lathes, more than 20 auxiliary processing and testing equipment.
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In our normal thoughts, led wall washer lights are used for buildings, hotels, bridges; but now we produced a 2M led wall washer light for tunnel, with new type lens 144*62degrees which is from Ledil, a very professional lens company, and Cree XML 10W led chips, the lamp gets supper effects, also very bright .
Besides, this 2M led wall washer light also has new design connection way: connectors in both end sides, easy to connect after installation. With this connection way, the IP rating still IP65 rating waterproof.
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Have you ever thought about why the street lights break down?
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The power of the solar street lamp depends on the width of the road and the surrounding environment, the height depends on the width of the road, and the spacing depends on the power of the light source and the secondary light distribution of the lamp. With the increasing shortage of traditional energy, the application of solar energy will be more and more extensive, especially in the field of solar power generation industry has developed in a few years.
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