Abstract
Due to the COVID-19 (SARS-CoV-2) pandemic, many children must wear masks at school to help reduce the spread of SARS-CoV-2 transmission. An investigation was conducted to develop an alternative reusable mask for kids with a protective seal and filtration. A 3D prototyped filter was designed and made to fit a 3D prototyped silicone mask. Different types of filter material were tested using a mask fit testing machine. In addition, a questionnaire was completed by 47 children aged 8 - 12 years old in order to understand their behaviours with masks at school. The reusable mask and filter proved as effective as a disposable N95 mask. Such masks could be cleaned by kids, reduce filter material waste by 80% and eliminate single use disposable masks. The 3D prototype mask and filter became an innovative engineering project that was designed, printed and processed by kids using local materials at home.
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