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Man used to live in darkness. Literally of course, because while there was no efficient and steady power supply hundreds of years ago, there were alternatives like primitive lampshades, firewood and dry leaves. The advent of industrialization has changed all that, making man dependent on electricity. Since man has become accustomed to having electricity all the time and having light whenever he needs it, the absence of light albeit temporarily can send shivers down his spine. Man does not live by bread alone but he would also fail to survive without light. The need to have light all the time is not only a caprice of man but it is also necessary for his safety. There are laws providing for an automatic lighting fixture in any commercial establishment or even residential and condominium buildings. These laws require the building owners to comply with the safety provisions to make sure that people will have light in case of emergency situations like earthquakes, fire and other calamity. The required emergency lighting fixtures have proven effective in saving lives especially when there is enough smoke to blur the vision of any person. When light could not be provided because of a power failure, people can always rely on LED flashlights. Light Emitting Diode or LED flashlights generally provide alternative light and work the same way that the ordinary flashlights do. However, the difference lies on how ordinary flashlights and LED flashlights create light. Ordinary flashlights produce luminescent light through electrical power supplied by batteries. The heat from the wire creates light but it results to wear and tear of the wire and of the bulb sooner or later. On the other hand, LED flashlights create light through diodes instead of incandescent bulbs. People who want to have a steady and efficient supply of light for all times can now choose from the different designs, power and sizes of LED flashlights. A person who wants a brighter LED flashlight can do so by taking note of the LED number. LED flashlights doe not only offer reliable performance but are also very durable even when dropped because they are covered in resin material. Waterproof LED flashlights are also available especially for campers and other people who are outdoor bound. LED flashlights may cost more than ordinary flashlights but they are energy efficient and durable. The light emanating from LED flashlights are also brighter and more luminous. These flashlights are also ideal for emergency use since the light they produce can be seen by the naked eye even a mile ahead. There are LED flashlights that do not rely on batteries but on the use of a copper wire placed in a magnetic field within the LED flashlight. The copper wires react in the magnetic field by shaking the flashlight and shaking it again when the light it produces fades away. Light Emitting Diode or LED is used not only in flashlights but they are also widely used in digital clocks, screens of televisions and even the traffic lights. LED bulbs are also highly recommended for houses because they produce clearer lights and are energy savers. Both commercial and residential establishments would be better off using Light Emitting Diode-powered bulbs and other lighting fixtures despite the difference in cost as compared to traditional lighting fixtures. The benefits that can be derived from LED powered lights will surely be more cost effective in the long term.
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