V.N. Zinkin, Post-doctoral Degree in Medicine, Prof., Senior Research Assistant, firstname.lastname@example.org Scientific Research and Testing Center (Aerospace Medicine and Military Ergonomics) of the Central Scientific Research Institute of the Air Force of the Ministry of Defense of Russia, Shchelkovo, Russia L.P. Slivina, Post-doctoral Degree in Medicine, Prof., Head of the Department Volgograd State Medical University, Volgograd, Russia
One of the most widespread reasons for the decrement of professional performance and reliability of the operator is the increase at the workplace of the permissible levels of mechanical factors (noise, infrasound, vibration). Working conditions state is the main reason, which has the most significant impact on the health of the employees and the level of occupational diseases. Study in this direction is up-to-date, since the noise occupies the leading position among production harmful factors.
It is known that the employees of the aircraft repair plants are exposed to the complex of harmful factors: noise, infrasound, vibration, ionizing and non-ionizing electromagnetic radiation, fuels and lubricants, microclimate. The highest acoustic loading is experienced by the mechanics-test engineers of motor-test stations at testing of aircraft engines and the fitters of repair shops of the devices and electric fuel automation of the aircraft engines.
Assessment of the working conditions of these groups of workers is made based on the average duration of their stay at the workplaces. Assessment of labor process intensity is based on the analysis of labour activity and its structure by studying stop-watch reading in the dynamics of the whole working day.
It is established that the combination of harmful factors of the working environment (noise, infrasound, microclimate, kerosene) and labor process (labor severity and intensity) effects the mechanics-test engineers of motor-testing stations and fitters of the repair shops of the devices and electric fuel automation of the aircraft engines. Hygienic studies of the workplaces of these specialists showed that for the first group the regulatory parameters of noise and infrasound are not met, and for the second group — noise, kerosene, labor intensity. The class of working conditions corresponds to the harmful one. The work in the harmful noise conditions creates the risk of professional pathology development, namely, perceptive hearing loss. Recommendations are given on the use of noise protection equipment by the aircraft repair plant specialists depending on working conditions.
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