Ergonomic evaluation of carbonizing activity in kilns-furnace system

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Abstract
Workers involved in charcoal production face working conditions that require high energy expenditure, with activities involving moving and lifting loads, inadequate postures, repetitiveness, and consequently, the risk of developing musculoskeletal disorders. These factors are combined with adverse environmental conditions, such as intense heat, which further exacerbates health risks. This study aimed to assess the impact of work relationships in charcoal production on the physical integrity and health of workers, through the application of ergonomic tools. Factors such as thermal overload, physical workload, biomechanical factors, and the risk of developing repetitive strain injuries (RSI) or work-related musculoskeletal disorders (WMSD) were evaluated. The results showed that the physical workload of workers varied from moderate to heavy, depending on the activity phase, with a high risk of developing RSI and spinal injuries, especially during the oven filling process. Additionally, the observed thermal overload exceeded the legal limits, making the work unsuitable without the implementation of appropriate control measures to ensure worker safety and health.

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