二十年来,油锯数量不仅有很大的增加,就其质量也有明显的改进。但油锯性能的改进并没有解决对油锯手健康带来的危害。如振动及噪音都对工人的健康带来不良后果。波兰的一份报告中指出,大约有39%的老油锯手由于振动引起了上肢骨格变形, In the last two decades, the number of chain saws has not only increased greatly, but also significantly improved in terms of quality. However, the improvement of the performance of the chain saw did not solve the health hazards of the chain saw. Such as vibration and noise have adverse consequences on the health of workers. A report from Poland states that about 39% of the old chain sawers caused bone deformation in the upper limbs due to vibration,