Final answer:
Stepper valves are valves that use motors to move in tiny increments, allowing for precise control. They are commonly used in engineering applications.
Step-by-step explanation:
Stepper valves are valves that use motors to move in tiny increments. These valves are commonly used in engineering applications where precise control is required, such as robotics and automation systems. A stepper motor is a type of motor that divides a full rotation into a number of equal steps, allowing for precise positioning. When connected to a valve, a stepper motor can control the flow of fluid or gas by moving the valve in small, incremental steps.