Examlex
During which of Piaget's stages does a child demonstrate the ability to reason about abstract ideas and logical concepts?
Hand Control Valve
A manually operated valve designed for controlling the flow of liquids or gases, often used in industrial applications or within vehicle hydraulic systems.
Treadle Valve
A type of foot-operated air valve used in heavy vehicles, controlling air pressure to the brakes when pressed.
Relay Piston
A relay piston is part of an automatic transmission's hydraulic system, used to amplify fluid pressure for shifting gears.
Secondary Circuit
An electrical circuit that receives power from a transformer or another circuit rather than directly from a power source, used in various electronic devices.
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