To prevent falling ice in winter, the roadway is covered.

The resulting layer prevents ice from bonding to the surface of the road.

The airline said the plane had been sprayed with chemicals to prevent ice from building up on the wings after it left the terminal.

This step is necessary to prevent ice from forming in the parfait.

Small ice-holes can also be kept open by keeping a lid over the hole to prevent ice forming.

The part in question is a flexible section of the tail wing that prevents ice from building up.

It clings to the wing and prevents ice from forming for 15 minutes or more.

These prevent ice from forming on the body of the aircraft while on the ground.

Unusually for its time it was insulated during construction to try to prevent ice from building up on the roof.

The warm air heats the surface up to a few degrees above freezing, preventing ice from forming.