At present, we have a modern invention. The invention is different from the old modern invention
.Modern inventions, such as air conditioning and old-fashioned artifacts such as fans, by สิ่งประดิษฐ์นี้ created from the prosperity of science and the development of technology for meeting the needs of human
.Go back to the past, we have the fan is a device that allows a cooling and relieve the heat which is different from the present. Because we use a device allows air cooling. And from time to time in the modern era.The invention and the popularity he more and more!The modern invention has both advantages and disadvantages. Such as the advantages of air conditioning is able to reduce and improve the room temperature according to our requirements, but the disadvantage is causing wastage of resources,Make charge of electricity home increased. And no human body conditioning to get used to the weather outside the room square.
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