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Best Users 09/2021
1. kimora563100 points1 answerUSA
2. alanpaul100 points0 answersunited stateTo resolve the query related to Jetblue Offices in Santo Domingo you can contact bookjetblueairlines. Get in contact with customer support with our team.
3. dnf56sd5d8100 points0 answershttp://www.zjzs-spinningbike.com

8 Benefits of Spin Class That’ll Convince You to Finally Try One

http://www.zjzs-spinningbike.com

One of the many reasons we love cycling is that it allows us to get outside and explore. But with winter at our doorstep, sometimes the weather is just plain awful or there’s just not enough time in the day. The next best option? A Spin class, of course.


Most studios offer a variety of class options—some as short as 20 minutes or as long as 90 minutes—so you’re always able to fit a workout into your schedule. Nowadays, there are even at-home magnetic spinning bike available that stream classes directly into your living room from companies like Peloton, NordicTrack, and Technogym. Peloton’s beginner-friendly classes, for example, teach participants the correct form and technique that will translate to every other level.


Plus, the work you do in a class—whether that’s at home or in a gym—complements your on-the-road training perfectly, according to Peloton instructor Jess King. “It’s an opportunity for you to play around with your training—there’s something for you to hear, learn, and experience that you can take with you back on the road. So why not dip into both worlds?” she says.


Spinning is one of those things that seems a bit intimidating if you’ve never done it before. But as long as you have access to a gym or a bike, you can take classes that range from beginner to expert, King says, each of which helps build the main muscle groups used for cycling and your cardiovascular system.


4. KelleTownson100 points0 answers0
5. AdelineGoggi100 points0 answersinfo@wolframalpha.com
6. AdelaideGotc100 points0 answersinfo@wolframalpha.com
7. Britney85282100 points0 answersinfo@wolframalpha.com
8. LienGrimshaw100 points0 answersinfo@wolframalpha.com
9. learnersclassroom100 points0 answersindiaHi, I am Aadya Sharma and I am a French teacher. I have more than 6 years of experience in French teaching. So many students are learning French online with me getting a good knowledge of the language. So if you also want to learn online then feel free to connect with me.
10. dJnf56sd5d8100 points0 answershttp://www.aoerheng.com

Intelligent Mining Technology for an Underground Metal Mine Based on Unmanned Equipment

http://www.aoerheng.com This article presents facts and figures on mining equipment safety and reviews various important aspects of mining equipment safety including quarry accidents, electrical accidents, equipment fires, maintenance-related mining accidents, causes of mining equipment accidents and major ignition sources for mining equipment fires. A number of methods considered useful for performing mining equipment safety analysis are also presented. Useful strategies to reduce mining equipment fires and injuries, guidelines to improve electrical safety in the mining industry, and human-factor-related tips for safer mining equipment are discussed.


This article analyzes the current research status and development trend of intelligent technologies for underground metal mines in China, where such technologies are under development for use to develop mineral resources in a safe, efficient, and environmentally friendly manner. We analyze and summarize the research status of underground metal mining technology at home and abroad, including some specific examples of equipment, technology, and applications. We introduce the latest equipment and technologies with independent intellectual property rights for unmanned mining, including intelligent and unmanned control technologies for rock-drilling jumbos, down-the-hole (DTH) drills, underground scrapers, underground mining trucks, and underground charging vehicles. Three basic platforms are used for intelligent and unmanned mining: the positioning and navigation platform, information-acquisition and communication platform, and scheduling and control platform. Unmanned equipment was tested in the Fankou Lead-Zinc Mine in China, and industrial tests on the basic platforms of intelligent and unmanned mining were carried out in the mine. The experiment focused on the intelligent scraper, which can achieve autonomous intelligent driving by relying on a wireless communication system, location and navigation system, and data-acquisition system. These industrial experiments indicate that the technology is feasible. The results show that unmanned mining can promote mining technology in China to an intelligent level and can enhance the core competitive ability of China’s mining industry.


With the world’s rapid economic development, the demand for mineral resources is increasing. It has been forecast that the depth of more than 33% of the metal mines in China will reach or exceed 1000 m within the next decade. Deep underground mining will become the trend of metal mining in China [1]. To overcome the disadvantages of traditional mining methods, such as excessive resource consumption, poor operating environments, low production efficiency, high safety risks, high production costs, and severe pollution, it is essential to develop an intelligent mining technology for underground metal mines that provides complete safety, environmental protection, and efficiency [2], [3]. Some developed countries have done a great deal of work in the field of intelligent mining for underground metal mines over many years, and thus have considerable experience in this field. At the beginning of the 21st century, Canada, Finland, Sweden, and other developed countries made plans for intelligent and unmanned mining. At the Stobie Mine, an underground mine belonging to the International Nickel Company of Canada, Ltd. and a typical example of such an automated mine, mobile devices such as scrapers, rock drills, and underground mining trucks are operated remotely and workers can operate the equipment directly from the central control room on the surface [4]. According to the Canadian government’s 2050 long-range plan, Canada intends to transform one of its underground mines in the northern part of the country into an unmanned mine. The plan states that all devices will be controlled from Sudbury via satellite in order to achieve intelligent and unmanned mining. Another intelligent mining program covering 28 topics—including the real-time process control of mining, real-time management of resources, construction of a mine information network, and application of new technology and automatic control—was carried out in Finland. Sweden has developed the Grountecknik 2000 strategic plan for mine automation [5], [6], [7], and veteran mining equipment companies such as Atlas Copco are actively developing a series of unmanned underground gold mining equipment and related control systems that can be used to implement the strategic plan. One of the most famous institutes in unmanned vehicles, the Commonwealth Scientific and Industrial Research Organization of Australia, is making great efforts to achieve the intelligent mining of underground mines, with a particular focus on the unmanned control of various types of equipment [8].


Although these developed countries have already invested a considerable amount of time and money into the study of intelligent mining, only a few related studies have been carried out in China, especially in the field of intelligent equipment and platforms. In order to rapidly advance its intelligent mining capabilities, China is supporting many intelligent mining projects, including the Key Technology and Software Development for Digital Mining project and the High-Precision Positioning for Underground Unmanned Mining Equipment and Intelligent Unmanned Scraper Model Research project. In particular, a project titled Intelligent Mining Technology for Underground Metal Mines was established during the 12th Five-Year Plan, in order to promote intelligent mining technology to a certain extent. This article introduces several research achievements and their applications in this project. Trackless mining equipment such as rock-drilling jumbos, down-the-hole (DTH) drills, underground scrapers, underground mining trucks, and underground charging vehicles have been developed using intelligent technologies. Suitable communication techniques, sensors, artificial intelligence, virtual reality, information technology, and computer technology for mining equipment and platforms have been implemented. The experimental results indicate that some of the system’s functionalities are innovative and show good performance.

11. dJnf6sd5d8100 points0 answershttps://www.jialaitefc.com
12. BrianaRWorley100 points0 answersusa
13. carlawyat100 points0 answersUSA
14. kattypears100 points0 answersUSA
15. ssdd6Ghao6100 points0 answershttps://www.precisionparts-cn.comThe specific products and components can range from simple metal stamping parts, such as metal clips, springs, weights, washers, and brackets, to more complex designs, such as those found in engine bases or friction plates.


Operated with Computer Numerical Control (CNC) systems and provided with precise design instructions, CNC Lathes are machine tools where the material or part is clamped and rotated by the main spindle, while the cutting tool work on the material, is mounted and moved in various axis.

CNC Lathe services are normally used for machining parts, where the material/part is clamped and rotated whereas the cutting tool is stationarily mounted for OD (Outer Diameter) and ID (Inner Diameter) operations, e.g. shafts and pipes. They are ideal for parts that have the same symmetry around an axis that could be chucked up (i.e. radially clamped) in the spindle.


Most subtractive CNC machines such as mills, water jets, and plasma cutters have the workpiece secured to a bed and the cutting done by a spinning tool. To cut, the tool moves across the workpiece or a tool head shoots at it. In contrast, CNC turning company reverses that process by rotating the workpiece and cutting away at it (by moving a static cutting bit against the workpiece).

Because of how they operate, CNC mills are primarily used for creating complicated geometries, while CNC lathes are used for creating cylindrical or oblong shapes. A CNC lathe is usually chosen over a CNC milling service or 3D printer because of its ability to make multiples of the same part incredibly fast and from one stock piece of material. Check out this mesmerizing video of a CNC lathe in action:

Horizontal turning centers are enclosed CNC lathes that integrate milling and drilling capabilities. A turning center can also include a traveling tool turret, more tooling axes, coolant flooding, a tailstock that is separated from the carriage, and sometimes a conveyor belt.


Injection molding processing is a manufacturing process that is commonly used to create plastic components. Its ability to produce thousands of complex parts quickly makes it the perfect process for the mass production of plastic components. Essentially, the process involves the injection of plastic at high speed and pressure into a mold, which is clamped under pressure and cooled to form the final part.

By melting thermoplastic and injecting it into an aluminum mold at high speed and pressure, manufacturers can create multiple complex parts at once. When the parameters of the process are controlled correctly, there’s also little need for finishing and processing the manufactured part, making it more cost-effective and efficient.



16. bnui11ui100 points0 answersThe cargo electric bicycle, also known as the freight or utility bike, is enjoying a renaissance and recognition as a cleaner, safer, and more efficient mode of urban freight delivery and passenger transport. As a human-powered and fuel-free vehicle, this form of active transport could bring even more benefits to our cities than other disruptive technologies. Cargo bikes are proving to be versatile vehicles of change for urban business interests thanks to their economic viability. They also reduce the need for polluting and noisy delivery electric cargo trucks that contribute to urban gridlock. They make the streets cleaner and safer for pedestrians and commuting cyclists. The bright electric future ahead, led by bikes According to Germany Two-wheel Industry Association (ZIV), in the last year, electrically assisted cargo bikes have outsold electric cars in Germany with 39,000 sold versus 32,000 electric cars—an impressive when you consider that electric cars have benefited from substantial government subsidies, while e-bikes received only a small handout. Globally, Deloitte predicts that 300 million e-bikes will be out on the world's streets by 2023, representing a 50% increase over current numbers. These statistics seem to show that, despite all the attention around electric and autonomous vehicles, the future of e-mobility may actually be led by bikes. In the next five years, 40 million electric bikes will be sold worldwide, dwarfing the 12 million electric vehicles that will be hitting the roads over the same period. We hear regularly that people with disabilities go by taxi transport or mobility scooter to the physiotherapy and sit there on a stationary bike. Why not visit a friend or take a trip with a (electric) tricycle instead? Because you always have to cycle yourself, there is always movement. When needed, the cyclist can choose between various degrees of electric pedal support and cycle more easily. More and more cyclists realize that their independence and mobility increase, and therefore choose the environmentally friendly electric tricycle. The electric special vehicle (EV) revolution is speeding up, but it can only go so far without the necessary infrastructure and technology. As thinking shifts from fossil fuels to all-electric, visions of a brighter, more optimistic world come into view. The vision is to improve all aspects of performance and reliability and unlock the possibility of producing a battery solution that matches the performance of conventional gasoline and diesel vehicles, meeting consumers expectations, helping drive the uptake of hybrid and electric transport and supporting the Governments Road to Zero strategy—aiming to make road transport emission-free by 2050. According to our experience, after spending a lot of time studying these two processes in depth, we found that these two production methods have more in common than differences. Powertrain equipment still provides components for power generation. The body shop is still making all the panels. In order to make cars, the assembly plant still assembles all these parts together. In general, there is no real difference. Especially by automating the supply next to the production line, we can help the assembly line respond to changes. For example, when an electric car production line needs to switch from a large combustion-powered car to an electric car, we will send the correct components or parts to the point of use. All that is needed is the notification in the advanced software. Once the system or assembly line supervisor makes these clicks, we will respond and go to the appropriate location to pull the correct one. The delay is eliminated, and the probability of error occurrence is almost zero. When we talk about the hollow block making machine there are some different pictures and ideas of this machine in people’s heads so we need to specify what we exactly mean by it. A hollow block machine is a machine that produces hollow blocks using pressure and vibration to compress the concrete mortar into the molds and form the concrete blocks.
17. maham100 points1 answerPakistan
18. timothykraziano100 points0 answersdumphrey
19. teagan87yh100 points3 answersUnited State
20. buymygenerix100 points0 answersUSA
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