The modifications improved the handling and braking of the vans.

These modifications have improved the locomotives performance, reliability and efficiency.

In addition, the transgenic plant itself may become a weed if the modification improves its fitness in a given environment.

This modification greatly improved the plane's handling characteristics.

But recent modifications have improved them.

Along with the expansion many fans started to create modifications to improve game which are downloaded and installed off websites.

The modifications to date have improved the previous handling characteristics and also improved aesthetics.

The suspension and the stability of the frame were suspected, but modifications did not improve the problem.

I'm not saying that minor modifications couldn't improve things, but the foundations look pretty good to me.

Recent modifications have improved it greatly, making it useful not only to members, but to hobbyists all over the world.