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flag 2024 James Dyson Award's Global Top 20 shortlists Air Ring 48, a helmet cooling accessory for construction workers.

flag The Air Ring 48, a helmet cooling accessory developed by three University of Hong Kong students, has been shortlisted for the 2024 James Dyson Award's Global Top 20. flag This device targets heat stress in construction workers by integrating with standard helmets, reducing skin temperature by up to 3.20°C. flag The Air Ring 48 has won £5,000 as Hong Kong's entry and now competes for £30,000 to aid its further development and commercialization, with winners announced on November 13.

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