Examlex
Which cellular structure is unique to animal cells?
Flow Control
The regulation and management of the rate or volume of flow in a system, such as fluids in pipelines or data over networks, to meet certain conditions or requirements.
Directional Control
The mechanism or system used to steer or change the direction of a vehicle or a machine part.
Pilot
Any of a number of devices that receives a signal and then effects an action; can also be known as a relay.
Spool
A cylindrical device around which materials such as thread, wire, or film are wound for storage.
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