Mr. Metsky said he sought to change the image of the building through simple, subtle architectural improvements.

Another simple but effective improvement for landing the aircraft in icy conditions was the addition of a brake-parachute.

There are several, quite simple, improvements that could be implemented without breaking much of a sweat.

The effectiveness of the pyramid as a religious edifice had also been enhanced by a simple improvement.

Finally, several fairly simple improvements in the reporting of research findings can help to heighten the quality of these studies.

Not only was this a whole lot more convenient, but it enabled a simple four-fold improvement in throughput.

They classified their strategies to reach these goals as simple, moderate, and significant improvements that could help benefit the village center.

One very simple improvement I saw concerned the pouring of lacquer into containers before spraying.

Because their ideas were relatively simple improvements on existing products, competitors have little trouble in catching up - or even copying them.

The simple aesthetic improvement to the exterior compared to the original Droid is pleasant.