设置和安装麦克风、扬声器、迷你插孔、视频屏幕、投影仪、投影仪屏幕、录音、连接线和电缆等设备。 混音器（为研讨会、晚宴、婚礼、会议和演示等活动和功能混音。

设置和操作音响设备。

设置和操作运动灯（Parken）。 ...

Perform routine preventive maintenance on printing presses, conveyor systems, and other machinery.

Troubleshoot and repair mechanical, electrical, and electronic systems.

Ensure all equipment operates efficiently and safely. ...