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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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甲醇 (又稱木酒精、 甲醇 CH3OH)
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通過催化一氧化碳 (CO) 結合氫 (H2) 在 1:2 的比例,在高溫和壓力下形成的液體。商業上它通常由蒸汽重整天然氣。也在分解蒸餾木材的形成。 ...