Children lined up to ride the mechanical horses at the old fairground every summer.

Rumors spread that the casino's seemingly honest dealer was actually a dice mechanic hired to tilt the odds.

The restored mechanical horse, a three-wheeled tractor unit that used to tow short semitrailers, was the museum's star exhibit.

Technicians recorded the prototype's output in mechanical horsepowers to compare it with older models.

The vintage engine was rated at 50 mechanical horsepower, which impressed the restoration team.

The graduate student presented a clear explanation of the quantum-mechanical behavior observed in the experiment.

Engineers praised the bio-mechanical adjustments to the exosuit for reducing fatigue during long shifts.

The old shadetree mechanic fixed the stranger's sputtering engine with nothing but a wrench and know-how.

The engineer inspected the electro-mechanical brake system to identify the source of the intermittent fault.

Last weekend, I visited friends in Mechanic Falls and explored the old mill museum.