If you have ever closely observed a helicopter, you must have noticed the red and green lights. In fact, these lights are not only present on helicopters but also on commercial and private airplanes.
Red and green aren't just a pretty pair—these Christmas colors have been associated with winter holidays for centuries ...
Modern shipping makes use of all manner of relatively new technologies, from using GPS for navigation to building dual-fuel engines in a bid to cut down on emissions. However, a number of key shipping ...
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