I love this translation is intended to study the symptoms or abnormalities in bone and muscle systems, and measure the proportion of officer trim welds Palace thoplattik that require the use of a knife as a tool to present the idea to develop the appropriate knife patterns to reduce the risk of an accident. And ergonomics society problems. To collect information on workers trim the welds Palace thoplattik. One of the plastics manufacturing company. The number of 30 persons, using a questionnaire developed to gather personal information, features, and tools for measuring what proportion of employees. The results showed that the prevalence rate of symptoms or abnormalities in bone and muscle systems. From measurements throughout the body up to the first 3 are behind the lower portion (19.77%) right shoulder (18.60%) and right wrist and hand (16.28%) respectively. Best estimates only the arms and hands are the most common symptoms of wrist, right, (58.06%) left wrist (12.90%) and the middle finger right (18.60%) respectively. The concept developed from the application of part information model knife hands and arms of the worker in connection with the introduction of the institution of occupational health and safety of the United States. Canada and the traditional knife is divided into 2 parts: the hidden blade sharp inside in order to prevent and reduce injuries in the acute and the hilt in front of oval cut. The proportions according to the length of the handle grip fingers. With straight and curved-hilt In order to prevent and reduce the cumulative injuries may occur to a worker's arm and hand.
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