1.   ...the big backlog of applications.

2.   It also has a big backlog of satellites waiting to be launched.

3.   There was a big backlog of projects.

4.   We faced a big backlog of cases for lack of stenographers.

5.   While the big backlog of orders is a plus, Boeing is finding it harder than expected to build all those planes.

6.   But big backlogs were still causing frustration and delays.

7.   Housing starts, reflecting a big backlog of unsold homes, fell in March for the third straight month.