Plane mirror is a common optical element, which is widely used in aviation, satellite, laser, medical instruments and other fields. High-end applications include optical communication, lidar, optical lens and other fields. In terms of materials, the commo
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Black Sesame Tahini is rich in nutrients to promote digestion, provide healthy fats, strengthen bones, antioxidant and anti-aging, relieve insomnia, prevent heart disease, and most importantly, black sesame can help you fight anxiety.