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Toys and games
1) Devices that are used exclusively for recreation and play. Toys are most often used with children and pets and as a medium of education and development. Toys are not always obvious in their nature. A simple bottle can be considered a toy if an individual uses it for recreational use. 2) Games are structural activities used for physical or psychological education. In most cases, games are recreation. However, games can also be considered work. For example, a professional soccer game is a career to the participants.
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refractor
Astronomy; General astronomy
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binomial nomenclature
Biology; Genetics
A method of identifying and naming organisms using two names. The first name is the genus name, and the second is the species name. Names are usually Latin or Greek in origin.
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Organized exchanges plus over-the-counter markets in which securities are traded.
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basal group
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angle iron
Advertising; Billboard advertising
A length of steel or iron bent at a right angle along its long dimension, used as a support or structural framework.
