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As might be viewed in the graphic, the LED symbol human body contains a diode image with two arrows. The two arrows denote that light-weight is emitted from this machine. An LED has an anode and cathode terminal. Within the graphic, the anode is on the left and cathode on https://www.uk-exhibitionstands.co.uk/product-category/pop-ups-and-banner-stands/pop-up-stand/

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