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A lamp shade's surfaces have varying proximity to the light bulb or light source itself, depending on the size and shape of the shade. With larger shades this is less of a problem, since the shade provides an ample funnel for the movement of air up through the shade, whereby heat from the bulb leaves the top of the shade through the opening.
The lenses used colored dyes and small particles of zinc oxide, which absorbs ultraviolet light and is also used in sunscreen lotions. The research was later broadened to further terrestrial applications, e.g. , deserts, mountains, and fluorescent-lighted offices, and the technology was commercially marketed by a U.S. company. [ 63 ]
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To properly protect the eyes from the dangers of UV light, sunglasses should have UV-400 blocker to provide good coverage against the entire light spectrum that poses a danger. [7] Light polarization is an added feature that can be applied to sunglass lenses. Polarization filters are positioned to remove horizontally polarized rays of light ...
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It can easily clip onto a stroller and includes an easy-to-access zippered pocket for wipes. It comes with a mini changing mat and extra pouches that can be used as shoe bags, dust bags and to ...