Thinking machines are becoming more advanced every day.

The Harvard machines are used for data processing.

Rotor machines are used for encryption and decryption.

Farmers used threshing machines to separate grain from the stalks.

There are many ghosts in machines.

Tabulating machines were widely used in the early 20th century.

Zeno machines are fascinating devices that challenge our understanding of time and motion.

The cornucopia machines were displayed at the technology exhibition.

Forestry machines are used to harvest and process trees in the forest.

I prefer using Smith machines for my weightlifting workouts.