At the start of every work day, construction worker Charles Smith puts on the essentials: hard hat. Safety glasses. A reflective vest. And a small, watch-like band for his wrist.
But rather than track time, its purpose is to ensure he doesn't overheat while working during sweltering summer days in Texas. The wristband monitors his heart rate, core body temperature, stress level and more. If it detects signs of overheating, it warns him and his safety manager, advising Smith to rest and hydrate. The device serves as an early warning system to prevent heat-related injuries and illnesses.
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