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Unfortunately, there is a issue with alloy wheels. While they do look good and run smoothly, they're also softer and much less durable than steel wheels. Many can be found in several parts also, that makes the challenge worse. They might be damaged easily, and replacement wheels can be extremely expensive. Replacing a damaged wheel may be the safest and most efficient solution to the issue, but why would you need to replace a wheel that is only slightly damaged? Alloy wheels may be repaired, as well as a repair will be a lot cheaper than an alternative.
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Step up transformers increases the voltage level from primary to secondary but with the corresponding decrease in the current and vice versa.
However, science and technology are two different social cultures, and the differences between them are obvious. The basic task of science is to know the world and find it, thus increasing the intellectual wealth of mankind. The basic task of technology is to discover the world and invent it to create the material wealth of mankind and enrich the spiritual and cultural life of human society. Science answers questions about "what" and "why"; The technology answers the question "what to do" and "how to do". Therefore, the results of science and technology are different in form. Scientific achievements are generally expressed as concepts, laws, papers and other forms. The technical results are usually in the form of process flow, design drawing, operation method and so on. Scientific products are generally not commercial and technological achievements can be commoditized. Modern technology has a strong utilitarian and commercial color.
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