Used in almost all videomonitors and televisions, those devices contain four to eight pounds of lead each.
几乎所有的视频显示器和电视都使用这种设备，每个设备都含有4到8磅的铅。
2
At first glance, their classrooms look like dreary boxes, but two of the four walls are interactive videomonitors.
乍一看，他们的教室看上去像单调的箱子，但是四面墙中有两面墙是互动的视频显示器。
3
Component video, mostly accepted by TVs, but also by some computer monitors, is very similar to plain old VGA, only it comes out as three RCA connectors, one red, one green, and one blue.