Macintosh Folio带有触摸屏及内置电池，当使用它的附属支架立置时，可以连上Folio外接键盘当作台式电脑使用。
It featured a touch-sensitive screen, with a built-in battery. Once tilted on its built-in stand, it could be used as a desktop computer with the attachable Folio keyboard.
电炉铜冷却设备(炉盖，压力环、铜瓦、保护屏，导电立管等)：电炉铜冷却设备应用在大功率矿热炉等电弧炉上。
Copper cooling equipments for electrical melting furnaces are applied to electric arc furnace, like high-power smelting electric furnace.
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