In recent years, ultraviolet (UV) light emitting diode (LED) related technologies have advanced by leaps and bounds, and commercial applications of LED light sources such as UVA, UVB, and UVC in certain wavelength bands have been realized. Although the current medical LED power, especially the light......
続きを読むThe application of nail polish can make your hands look more delicate. Nowadays, more and more women like to do nail art. In fact, apart from going to a nail shop to do manicures, we can also choose the way of applying nail polish ourselves. So how can nail polish look better? A few simple tips, I h......
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