有磁性流动指示器。将该装置引入，移动电子，流动开始。这种流动引导自由电子进入装置。
There are magnetic flow directors. When you engage the device, you shift the electrons and a flow is initiated. This flow inducts free electrons into the device.
一种触控笔，是用以触控具有触控面板的电子装置，并可指示出一远距的讯息。
Touching control pen is utilized to touch and control electronic equipment having a touching control faceplate and to point information in remote place.
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