Cyclist
A cyclist is a road user who moves with the bicycle in traffic. If there is no bike path, they drive on the road with other traffic. Respect for…
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Customs
Customs is an authority or agency in a country responsible for collecting tariffs and for controlling the flow of goods, including animals, tran…
Crosswind
A crosswind is any wind that has a perpendicular component to the line or direction of travel. This affects the aerodynamics of many forms of tr…
Give way
A yield or give way sign indicates that merging drivers must prepare to stop if necessary to let a driver on another approach proceed. A driver …
Coolant
A coolant is a substance, typically liquid or gas, that is used to reduce or regulate the temperature of a system. An ideal coolant has high the…
