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Lane

Lane

A lane is part of a roadway that is designated to be used by a single line of vehicles, to control and guide drivers and reduce traffic conflict…

Guardrail

Guardrail

A guardrail or crash barrier is a barrier placed next to roads to prevent vehicles from leaving the road in a lateral direction, tilting or trav…

Fatigue

Fatigue

Fatigue is a feeling of tiredness. It may be sudden or gradual in onset. It is a normal phenomenon if it follows prolonged physical or mental ac…

Engine oil

Engine oil

The engine oil ensures smooth engine operation and prevents overheating. There must always be sufficient engine oil in the engine. So make sure …

Emergency exit

Emergency exit

An emergency exit in a structure is a special exit for emergencies such as a fire: the combined use of regular and special exits allows for fast…

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