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Glasses, also known as eyeglasses or spectacles, are devices consisting of glass or hard plastic lenses mounted in a frame that holds them in front of a person's eyes, typically using a bridge over the nose and arms which rest over the ears. Glasses are typically used for vision correction, such as with reading glasses and glasses used for nearsightedness. Safety glasses provide eye protection against flying debris for construction workers or lab technicians; these glasses may have protection for the sides of the eyes as well as in the lenses. Some types of safety glasses are used to protect against visible and near-visible light or radiation. Glasses are worn for eye protection in some sports, such as squash. Glasses wearers may use a strap to prevent the glasses from falling off during movement or sports. Wearers of glasses that are used only part of the time may have the glasses attached to a cord that goes around their neck, to prevent the loss of the glasses.
Rail transit has long been used as public transport in cities. It plays an increasingly important role. Economic developed countries urban traffic development history tells us that only by large passenger traffic system of urban rail transit (metro and light rail), is an effective way to fundamentally improve the urban public traffic
Ethanol can be accomplished from vegetation these as corn, sugar cane, timber or manioc, to title just a several. It can be utilised to supplement petroleum, or neat in suitably adapted devices. In point ethanol was typically utilised as a supplementary fuel way back within the forties. It fell into disuse for economic explanations. Petroleum could possibly be pumped from huge fossil fuel lakes much more cheaply, and the exploding population demanded raising supplies of foods.
The Volkswagen Beetle is strong competitor of Mercedes Smart. It has a cute exterior design, with nice, curved lines, as the interior comes with a multi-functional sport controls, making the vehicle easy to control, plus a comfortable back-seat with plenty legroom, uncharacteristic for such vehicles. Its fuel economy is a little worse compared to the Smart, with 22 mpg/city and 31 mpg/highway, however the great safety features and excellent design ought to be sufficient cause to draw young drivers.
Teamwork in tug-of-war games
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