The ritual of Tulak Bala (warding off calamities) has been carried out by Acehnese people from generation to generation to prevent bad lucks or disasters upon their life. The objective of this qualitative study is to discover the practice as the existence of COVID-19 considered one of the disasters. By combining library and field research, the data for this study were retrieved by applying in-depth interviews. The data analysis technique was accomplished by reducing, displaying and drawing conclusion of the data. Tulak Bala ritual is conducted in two ways. First, Acehnese people organize the ritual annually at the end of the second month in Islamic calendar, Safar, called as Rabu Habeh or Mano Safa (taking bath in a river of sea). Second, they apply the rituals when certain disasters occur, which in this case, COVID-19, having risk to their life. Its practical process is varied, namely having prayers and sending feast in mosques or houses, even having torch parade around the village. Besides, special amulets are sometimes hung on the back of house, on the roof and even in every corner of the house to avert the disease. The societal responses evidently agreed to apply the ritual, although many refused to believe Tulak Bala by reasoning that all the diseases are from Allah. They argued that focusing to increase faith in praying while keeping precautions is the only way to keep away the disease. Keywords-tulak bala in Aceh, historical and societal views on outbreaks, cultural traditions, preventions of pandemic, COVID-19 in AcehI. BACKGROUND OF STUDY
The purpose of this study was to analyze the level of vibration and noise on the Equipment Vibrating screen crusher FC 02 at PT. MIFA Bersaudara. Vibration is measured using a vibration meter, noise is measured by a digital sound level meter. Measurements are made on the x, y and z axes at each measurement point. The results showed that the value of the vibration level on the Vibrating screen crusher FC 02 on the x-axis with the velocity value of 28.56 mm/s, the y-axis value of 29.82 mm/s and the z-axis velocity value of 25.46 mm/s. While the Acceleration value on the x-axis is 20.7 m/s 2 the value is 30.86 m/s 2on the y and z axes of 21.42 m/s 2 . While the noise value indicates that the average value on the right side is 99.6 dBA on the right side and 101.7 dBA on the left side. Efforts were made to overcome the problem, namely by not operating the VSC FC 02 exceeding the recommended maximum limit of 60 dBA and the maximum allowed which is 70 dBA so as to prevent problems of comfort, health, and safety at work. Operators and employees are advised to stay at the location for no more than 15-30 minutes, if more than that time must use safety earmuffs.
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