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A folding chair is a type of folding furniture, a light, portable chair that folds flat or to a smaller size, and can be stored in a stack, in a row, or on a cart. It can be combined with a folding table .
Strip folding is a combination of paper folding and paper weaving. [29] A common example of strip folding is called the Lucky Star, also called Chinese lucky star, dream star, wishing star, or simply origami star. Another common fold is the Moravian Star which is made by strip folding in 3-dimensional design to include 16 spikes. [29]
These instruments are the progression from the early use of fish teeth, sharpened stones, and thorns used to penetrate blood vessels. The earliest known examples are made of bronze with a myrtle-leaf shape to the blade. In the 17th and 18th centuries, the German Fliete and French flamettes were developed. These devices with their right-angle ...
[citation needed] Sedimentation is detrimental to spotfin chub: a 2006 laboratory test done at the University of Georgia showed that densely suspended sediment levels in the water can result in a 15-fold decrease in growth rates of juveniles. Suspended sediment also damages gill tissues which impairs respiration and osmoregulatory patterns.
Flying fish are commercially fished in Japan, Vietnam, and China by gillnetting, and in Indonesia and India by dipnetting. [15] Often in Japanese cuisine, the fish is preserved by drying to be used as fish stock for dashi broth. The roe of Cheilopogon agoo, or Japanese flying fish, is used to make some types of sushi, and is known as tobiko.
It is calculated that when swimming some fish can achieve a propulsive efficiency greater than 90%. [108] Furthermore, they can accelerate and maneuver far better than any man-made boat or submarine, and produce less noise and water disturbance. Therefore, many researchers studying underwater robots would like to copy this type of locomotion. [109]
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