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Travelers Whose Familiar Route to a Destination Is Blocked Are

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Travelers whose familiar route to a destination is blocked are often able to reach their destination quickly and easily by taking an unusual sequence of turns down other streets. This suggests that people often find their way by means of:


Definitions:

Examine If Closed

A control logic instruction that checks whether a circuit or contact is closed (i.e., allowing current flow) before executing further actions.

Examine-On Instruction

In PLC programming, an Examine-On Instruction checks if a specified input or condition is true (e.g., if a switch is on) before executing subsequent instructions.

XIC Instruction

An "Examine if Closed" instruction in ladder logic programming, used to check if a contact is virtually closed in a control system.

Normally Open Relay

A type of electrical relay whose contacts are open in its resting state, closing to complete a circuit when activated.

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