31. It can run at a constant speed, or two variable speeds during the cardiac cycle. 32. A wind turbine with a variable rotor speed is called a variable speed wind turbine. 33. The globe is made of wood and is driven with a variable speed motor controller. 34. This data could include local speed limits, school zones, variable speed limits, or traffic warnings. 35. Unless you have a variable speed furnace, your heating system is either on or off. 36. A variable speed may or may not have a gearbox, depending on the manufacturer's desires. 37. A variable speed limit applies in the tunnel. 38. In later work he also incorporated motorized rotating filters of variable speed to color the patterns. 39. The Avengers featured a fully independent double wishbone suspension and variable speed rack and pinion steering. 40. The propulsion motor is of the axial piston pump type, and is capable of variable speed .
