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Safety glasses or spectacles, although often used as a catch-all term for all types of eye protection, specifically revers to protective equipment that closely resembles common eye wear. To meet most national standards, spectacles must include side shields to reduce the ability of debris to get behind the lenses from the side.
Straps are available in various configurations, including those with various types of loops at the ends and those without loops. A straps act usually includes held poses and postures done on the straps, dance moves performed on the floor away from the straps, partner acrobatics done on and off the straps, as well as having the straps pulled up ...
The earliest form of eyewear for which any archaeological record exists comes from the middle of the 15th century. It is a primitive pince-nez whose frames were made from two pieces of either metacarpal bone from the forelimb of a bull or large pieces of antler. The pieces were paddle-shaped, and joined by an iron rivet which provided the ...
Two people wearing behind-the-neck earmuffs. Thermal earmuffs are worn for protection from the cold. Because the ears extend from the sides of the head to gather sound waves, they have a high skin surface-area-to-volume ratio, and very little muscle tissue, causing them to be one of the first body parts to become uncomfortably cold as temperatures drop.
In a frame-and-prong buckle the prong attaches to one end of the frame and extends "away" from the wearer through a hole in the belt, where it anchors against the opposite side of the frame. The oldest styles have a simple loop or D-shaped frame (see: D-ring), but "double-loop" or "center post" buckles whose prongs attach to a fixed center ...
For 30 years, Rose Bowl co-host Leeza Gibbons, 67, had a near-constant presence on network television.. From 1984 to 2000, she was a correspondent and co-host of Entertainment Tonight, and the ...
The template for rimless eyeglasses date back to the 1820s, when an Austrian inventor named Johann Friedrich Voigtländer [] marketed a rimless monocle. [2] The design as it is known today arose in the 1880s [3] as a means to alleviate the combined weight of metal frames with heavy glass lenses.
Related: The Original Cast of 'Dallas': Where Are They Now? Duffy remembered that the day the original cast met for the first time, they gathered at Warner Bros. studios. "And then Haggy came in ...