The aero engines are being tested for performance and efficiency.

The Cornish engines were used to pump water out of the mines.

The hero engines powered the spaceship to reach incredible speeds.

The rocket engines ignited with a deafening roar.

The workshop is filled with Otto engines.

Chess engines are powerful tools used by chess players to analyze and improve their game.

The straight engines on the airplane provide excellent thrust.

The overhead engines of the airplane were powerful.

The analytical engines were revolutionary machines that paved the way for modern computing.

The solar engines power the entire spacecraft.