Chemical plant machine operators monitor and operate units and machinery to blend, mix, process and package a wide range of specialty chemicals, pharmaceuticals, cleaning and toiletry products.

化工厂机器操作员监视和操作装置和机械，混合，组合，加工和包装范围广泛的特种化学品，药品，清洁和洗浴用品。

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A wide range of vacuum switches are offered to monitor and provide output to integrate with the system controller.

一个真空开关是提供广泛的监测和提供输出，以便与系统控制器。

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It can be used to measure the peak power of diode laser directly. with the characters of digital display, high accuracy, large power range, wide pulse width and output port of waveform monitor.

它可直接应用于脉冲半导体激光峰值功率测试，并数字显示。具有中间环节少、测量精度高、适用功率范围大、脉宽范围宽，具有波形监测接口等特点。

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Volcanologist Sonia Calvari, of the Institute of Geophysics and Volcanology in Catania (INGV-CT), said rapid advances in technology enable experts to use a wide range of methods to continually map and monitor Etna from a distance.

CNN: Keeping track of Etna's pulse