1.   Among the improvements the wistful Rifkin could imagine with such an endowment is a significant upgrade in the quality of the collection.

2.   Even the base commander, Gen. Walter L. Sharp, noted the need for significant upgrades.

3.   Palmeiro represents a significant upgrade over Will Clark, who signed with Baltimore on Saturday, in several areas.

4.   Segui would represent a significant upgrade in defense around the bag, though he would not be the slugger the Sox ideally would like to sign.

5.   Showalter said he thinks right-hander Telemaco, who can start or relieve, and left-hander Embree have been significant upgrades.

6.   The club has made significant upgrades over the winter, but might not be done yet.

7.   The new Protege is a significant upgrade.

8.   Bibby is a significant upgrade over Williams, whose boorish behavior and scrapes with NBA discipline colored his crowd-pleasing but inconsistent play.

9.   Existing plants were exempted, but the law specified that significant upgrades and improvements at an older plant subjected it to the newer standards.

10.   The warning for India uses the same wording, which is a significant upgrade from earlier warnings.