For this reason, such heavy vehicles are frequently fitted with a supplementary system that is not friction-based.

Earlier designs had variously been fitted with vacuum train brakes, or a dual braking system.

To make it easier still, some have been fitted with a Hubmatic system, which raises and lowers the rear of the vehicle.

Almost all such vessels are fitted with a dynamic positioning system, which makes it possible to position rocks very accurately.

In the 2001 conversion, it was fitted with seven thrusters and a J-lay system.

The helicopter can be fitted with an anti-icing system to enable the aircraft to operate in very cold climates.

The buildings must be fitted with an automatic air-renewal system with heat recovery.

The A-100 rocket is fitted with a simple guidance system for greater accuracy.

A smartgun is a weapon (usually a handgun) fitted with a fire-control system.

It would appear, however, that the train was not fitted with an automatic braking system.