Related Clues:

• They work around the clock outside, witnessed by those handled by The Carpenters
• Tree choppers
• Slasher film weapons
• Cuts lines on graph?
• Tree-cutting tools
• Cuts in state contributions following leader's departure
• x, y and z on a graph, perhaps
• These may cut lines on graph
• Things that might be on the chopping block?
• Lines of rotation
• x, y and sometimes z
• Ruthlessly reduces
• Many line graphs have two
• Plotter uses them when gaining old flame back
• There are two in a coordinate plane