Sensors are an increasing presence in our lives—from wearable gadgets to smart buildings, from autonomous vehicles to smart cities. In occupational health and safety, sensors are used widely for exposure monitoring, emergency response, and safer worker-machine interfaces. The use of sensors as real-time respirable dust monitors is a targeted application with its own specific challenges. The information from real-time respirable dust monitors can be used to identify tasks and activities throughout the workday, during which the worker might be exposed to higher than average concentration levels. The monitors can assess the efficacy and efficiency of engineering control technologies and work
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