Englishfor English speakers
conduit
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noun
a passage (a pipe or tunnel) through which water or electric wires can pass
the computers were connected through a system of conduits
regulator
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noun
any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc
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noun
an official responsible for control and supervision of a particular activity or area of public interest
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noun
(= governor)
a control that maintains a steady speed in a machine (as by controlling the supply of fuel)