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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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焦
Transportation; Railway
早期的蒸汽機車在英國使用焦炭作為燃料，而不是煤，因為早期的法律要求，機車應 '消耗自己的煙'。煤炭生產煙時燒而焦碳燃燒煙幾乎免費。焦是由加熱軟煤密閉烤箱中創建的。加熱，如煤分解給硬、 多孔、 灰白色的物質，稱為焦，其中包含幾乎 90 ％ 的碳。燃燒時，可樂產生強烈的、 無煙熱。焦的副產品製造是煤氣、 被廣泛用於工業和國內天然氣從北海到來之前，英國加熱。因此， ...
