4. To Help make obtainable or have for a vital function; give: a tree that affords ample shade; a sport affording very good exercise. Light-weight-emitting diode (LED) is really a greatly used standard supply of light in electrical equipment. It has a wide range of applications starting from your cellphone https://www.uk-exhibitionstands.co.uk/top-5-reasons-to-exhibit-at-a-trade-show/