The curved shape of this supportive pillow aligns with the shape of your spine, helping support your lumbar while ensuring you’re sitting at a proper posture. The memory foam is a bonus, contouring to ...
Abstract: Optical wireless communication (OWC) refers to transmission in unguided propagation media through the use of optical carriers, i.e., visible, infrared (IR), and ultraviolet (UV) bands. In ...
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