The primary mechanical and structural components of a steam locomotive, from the cab and boiler to the running gear.

The primary structural components, utilities, and safety features of a bored road tunnel cross-section.

The fundamental mechanical and electrical components of a basic single-phase AC generator.

A diagram showing the internal components of a cathode-ray tube television.

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The main mechanical and electrical components of a standard traction elevator system within a building shaft.

The external and internal structural components of a standard dynamic handheld microphone.

An educational diagram showing the key mechanical and structural components of an automobile.

The sequential stages of a standard municipal drinking water treatment process from intake to distribution.