The lights in each tower are headlights, and the set is operated by car batteries, hence its title.

A second set was operated for a while.

A small set of rudders on the rear wing assembly could be operated differentially to provide yaw and roll in flight.

There was an onboard stack of 1024 16-bit words, so that both scalars and sets could be operated on there.

A 2-car set (M50454/M50528) was quickly returned to service in 1994 and has operated in service every season bar one since.

The current set of 200 turbines are operated by 7 different energy companies.

Unlike T 1000s, the T 2000s' control equipment was also modified so that a coupled set could be operated by a single engineer.

All sets, lights, and sound for productions are designed, built, and operated by students.

When the river was low, the upper guard gates remained open continually and the lower sets were operated.

Operations performed on the empty set (as a set of things to be operated upon) are unusual.