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A hand-held metal detector is designed to detect metal objects or objects carried by people or objects. It can be ground
Some of typical family fridge problems might be predetermined yourself, you have to start using a qualified to handle complex restoration perform. Even though the fridge may start looking span and spic externally, it does not necessarily mean that the device is performing efficiently through the in. Incessant requests around the repairman and several concerned times adhere to, till you ultimately buy it fixed going back to its standard express. Did you realize there are specific methods for you to definitely keep the family fridge operating smoothly? One can find in fact some strategies to repair the apparatus yourself, without depending on your normal assistance.
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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