What does the buzz saw in out out-- symbolize?

In Robert Frost's poem "Out, Out—," the buzz saw symbolizes the harsh and often indifferent nature of life and work. It represents the dangers of industrialization and the loss of innocence, highlighting how a seemingly mundane tool can lead to tragic consequences. The saw's relentless, mechanical operation contrasts with the fragility of human life, ultimately underscoring the themes of mortality and the abruptness of loss.