Remove non-neutral points of view: partly as a result of this tragedy , plexiglass panels sitting atop the boards of hockey rinks to protect spectators have been supplemented with mesh nets that extend above the upper edge of the plexiglass.
partly as a result of this event , plexiglass panels sitting atop the boards of hockey rinks to protect spectators have been supplemented with mesh nets that extend above the upper edge of the plexiglass.