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Vehicle

Vehicle

A vehicle is any means of transport on land, as well as all mobile agricultural or commercial equipment.

Two-second rule

Two-second rule

The two-second rule is a rule of thumb by which a driver may maintain a safe trailing distance at any speed. The rule is that a driver should id…

Tunnel

Tunnel

A tunnel is an underground passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each e…

Trailer

Trailer

A trailer is an unpowered vehicle towed by a powered vehicle. It is commonly used for the transport of goods and materials. Sometimes recreation…

Tachometer

Tachometer

A tachometer is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine. The device usually displays the r…

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