Maintenance department: maintenance industries circuit boards, machine equipment system, main board, controller, power supply, frequency converter, PLC and touch screen.

维修部：维修各行业电路板，机加工设备系统，主板，控制器，电源，变频器，PLC触摸屏等。

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Electronic Industry: Circuit board, insulation material, LED display screen.

电子行业：电路板、绝缘材料、LED显示屏等的雕刻。

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The design method of LED big screen scanning circuit is introduced, and the virtues of programmable logic device application on high-speed digital system are presented.

介绍了LED大屏幕扫描电路的设计方法，阐述了可编程逻辑器件在高速数字系统应用中的优点。

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It is this sort of thing that stimulates the imagination, she said, while the screen "tends to short circuit that process and the development of creative capacity".

BBC: Children should be allowed to get bored, expert says

The display, touch-screen module, as well as the applications processor and power management integrated circuit are all thought to be made by Samsung.

FORBES: Samsung's Beefed-Up Galaxy S4 Display Drives Bill Of Materials Up To $236

The rooms are designed like upgraded 1950s bomb shelters, with air filters to screen out biological agents, dedicated phone lines, bathrooms and closed-circuit TV systems.

FORBES: Magazine Article