OCCUPATIONAL HEALTH SAFETY OF HEALTH PROFESSIONALS AND ASSOCIATED FACTORS DURING COVID-19 PANDEMICS AT NORTH SHOWA ZONE, OROMIA REGIONAL STATE, ETHIOPIA

Occupational Health Safety of Health Professionals and Associated Factors During COVID-19 Pandemics at North Showa Zone, Oromia Regional State, Ethiopia

Dejene Hailu,1 Mengistu Benayew,1 Tiliksew Liknaw,1 Muluken Ayenew,1 Agumas Fentahun Ayalew,2 Bizuneh Ayano,2 Addis Adera,2 Mengistu Tesema,2 Andualem Gezahegn,3 Tadesse Birhanu,4 Eshetu Wendimu5 1Department of Nursing, College of Health Sciences, Salale University, Fitche, Ethiopia; 2Department of Public Health, College of Health Sciences, Salale

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REDUCTION OF STEEL CHIMNEY VIBRATIONS WITH A PENDULUM DAMPER

Karman vortices observed around chimneys may induce dangerous structural vibrations at certain wind velocities.The aim of this paper is to analyse the effectiveness of a pendulum damper in reducing vibrations of Backpacks a steel chimney.A two-degree-of-freedom non-linear model is used to simulate the behaviour of the structure equipped with a damp

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