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blood pressure or blood sugar levels. There have been many advances for athletes, too. High- tech clothing helps monitor their oxygen levels, for example, to maximize their workouts.” “And isn’t there a lot that is done today with GPS systems in clothing and other things you can wear, to help hikers?” added Nisha. “Yes, GPS locators are getting more and more sophisticated,” said Mr. Rand. “And they are showing up everywhere.” Smart Clothes New technology is being developed all the time. Clothing and acces- sories with GPS and sensors to monitor heart rate and oxygen are being devel- oped for firefighters, police officers, and military personnel. This can help locate and monitor the status of these people as they work under some of the most difficult and dangerous of circumstances.

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