A construction worker using a circular saw suffered a critical wound to the neck yesterday (August 18, 2008) when the...
"blade struck a nail and kicked back, slicing the left side of his neck and cutting him towards his throat." (MetroNews.ca)
This accident is a timely reminder to work safe, and to avoid using power tools above your head. Though I have no details about this particular incident, it is likely he was using the circular saw to trim a board above the level of his shoulders. In such a position, the operator has no means to brace themselves against kickback,...