9:00am-9:15am: closure of beaches in Hong Kong

9:00am-9:15am: Martin Williams, Hong Kong based writer, photographer, videographer and conservationist 

9:00am-9:15am: Dr Raymond Yip, Specialist in Orthopaedics & Traumatology

9:15am-9:30am: suitability of different types of mask

9:15am-9:30am: Dr Shirley Ngai, Associate Professor, Department of Rehabilitation Sciences, The Hong Kong Polytechnic University

9:15am-9:30am: Dr Winson Yeung, Principal Consultant, Occupational Safety and Health Council


After 9am on Backchat, we'll take a look at the closure of beaches in Hong Kong, with the CE saying authorities have noticed that more people have been going to the beach since the weather turned warmer, with some not wearing face masks.
We'll also look into the suitability of different types of mask to wear during exercise, as researchers find that low Delta P breathable masks will reduce fatigue in manual workers and people who exercise. What is Delta P? Our experts will answer your questions.