Answer:https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.dailyrepublic.com/all-dr-news/obituaries/john-bolton-halbrook/&ved=2ahUKEwiPsc775OjnAhUDC6wKHUbqBq4QFjADegQICRAB&usg=AOvVaw0TC0gGYPQJ1HkMpKz1IHN5
Explanation: click dis link
Labor-saving devices are inventions that reduce the time and effort needed to perform or complete a task. Farm equipment, home appliances and construction equipment are examples of mechanical inventions that save time and physical labor.
2 police officers, one ends up being the killer.