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M&S TV is an online TV station to advertise goods. [96] The online flower service was accused of unfair trading and using Google to piggy-back advertise on online searches aimed at Interflora online in 2010. [93] The John Lewis shopping chain beat M&S to the title of the UK's best high-street website by late 2010. [97]
Marks and Spencer plc (commonly abbreviated to M&S and colloquially known as Marks or Marks & Sparks) is a major British multinational retailer based in London, England, that specialises in selling clothing, beauty products, home products and food products.
Surya Roshni Limited (formerly Prakash Surya Roshni Limited) is an Indian multinational company headquartered in Delhi that produces fans, [4] steel, lighting, LED, [5] [6] kitchen appliances [7] and PVC pipes. Surya exports its products over 44 countries [8] and is one of the top manufacturers of LED lights in India. [9]
Light can be used to transmit data and analog signals. For example, lighting white LEDs can be used in systems assisting people to navigate in closed spaces while searching necessary rooms or objects. [100] Assistive listening devices in many theaters and similar spaces use arrays of infrared LEDs to send sound to listeners' receivers.
Ceiling fans are usually installed in a space with other lighting fixtures, but if the fan is positioned too close to a light panel or fixture, a strobe or flicker effect may occur. A strobe or flicker effect is a phenomenon which occurs when light brightens and dims consistently as it penetrates and passes through a moving ceiling fan. [ 8 ]
The lux (symbol: lx) is the unit of illuminance, or luminous flux per unit area, in the International System of Units (SI). [1] [2] It is equal to one lumen per square metre.In photometry, this is used as a measure of the irradiance, as perceived by the spectrally unequally responding human eye, of light that hits or passes through a surface.
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