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Dingani Moyo, Fungai Kavenga, Ronald Thulani Ncube, Farai Peter Macheri, Tariro Christwish Mando, Florence Moyo, Orippa Muzvidziwa, Mpokiseng Ncube, Hellen Masvingo, Blessings Chigaraza, Andrew Nyambo, Albert Mangwanya, Rosemary Ncube Mwale, Trust Mazadza, Tinashe Magidi, Gerald Benny, Chamunorwa Ndudzo, Victoria Varaidzo Kandido, Kudzaishe Mutungamiri and Collins Timire
In Zimbabwe, artisanal and small-scale miners (ASMs) have a high prevalence of tuberculosis (TB), human immunodeficiency virus (HIV), and silicosis. Previous studies on ASMs utilised programme data, and it was not possible to understand reasons for the h...
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Milena Martarelli, Luigi Montalto, Paolo Chiariotti, Serena Simoni, Paolo Castellini, Gianmarco Battista and Nicola Paone
This paper presents an experimental study on acoustic attenuation of different types of face masks in use by the general population during the COVID-19 pandemic. In particular, measurements are performed on ten samples of masks, of which four are medical...
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Alessandro Vichi, Dario Balestra, Cecilia Goracci, David R. Radford and Chris Louca
The paper shows the procedure for producing a customized low-cost ?Mask Fitter? made with a tablet-based 3D-face-scan and 3D-printing that could improve the sealing of FFP2 respirators.
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Oleg Bazaluk, Alim Ennan, Serhii Cheberiachko, Oleh Deryugin, Yurii Cheberiachko, Pavlo Saik, Vasyl Lozynskyi and Ivan Knysh
In this paper, a solution to the problem of the change in the pressure drop in a respirator filter during cyclic air motion is suggested since the current theory of filtering is based on steady-flow processes. The theoretical dependence of the pressure d...
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Mika Salmi, Jan Sher Akmal, Eujin Pei, Jan Wolff, Alireza Jaribion and Siavash H. Khajavi
The COVID-19 pandemic has caused a surge of demand for medical supplies and spare parts, which has put pressure on the manufacturing sector. As a result, 3D printing communities and companies are currently operating to ease the breakdown in the medical s...
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