The extraocular muscles must turn each eye inward; the sphincter muscles must work to make the pupil smaller; and the ciliary muscles must contract to allow the lens to change to a shape that will produce a clearer image. Solution: Focus on a distant object to immediately feel your eyes relax.
Its upper body is blue, the belly is silver, and the fins are yellowish-gray. The common amberjack can reach five to six feet (1.5 to 1.8 m) in length and more than 100 pounds (45 kg) in weight. The average weight, however, is 10 to 15 pounds (4.5 to 6.8 kg).
How much does an average aluminium can weigh today? The weight of aluminum cans can vary and has changed over time. According to the Australian Aluminum Council, the average can weighed 16.55 grams in 1992. In 2001, the average weight decreased to the weight that is the average as of 2014. Today, aluminium cans are about 30% lighter than they were 25 years ago.