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Some parents feel that MP3 is so fashionable that they want to "enjoy" it too. However, because the baby is younger, they may control the volume. If the volume is loud, there is damage to the baby's hearing. In addition, the earbuds of the earphone are directly inserted into the ear, the sound stimulates the eardrum directly, and then through the eardrum, the time is long, the eardrum is very easy to fatigue, and it can also cause hearing loss. So, when the baby listens to music and listen to the story, it's better to use the outside, and the volume is not too loud.
When used in business practices, technology can ensure the competitiveness of companies and other companies. But the cost of achieving, inventing or using technology, called intellectual property, is very high. Therefore, many societies, such as the United States, Europe, and Taiwan, would give the government protection from this investment, through the granting of patent, exclusive rights. This protection enables companies to invest in technical costs that can be recycled, thus encouraging innovation. But there is another point, too, that patent overprotection can hamper innovation.
The semi semi-automatic closing interval, the long train head over the outbound signal generator (the track circuit not on the outbound side of the station).
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