The drag sails on the boat help to reduce its speed.

Solar sails are a promising technology for space exploration.

The spacecraft is equipped with photon sails for propulsion.

The light sails are a promising technology for space exploration.

The ship's working sails were hoisted to catch the wind.

The after-sails were raised to catch the wind.

The boat had two gaff sails.

The balloon sails were colorful and vibrant.

Electric sails are a promising technology for space propulsion.

The smoke sails billowed in the wind.