However, the company suffered a series of financial problems throughout the late 1960s and did not go public until 1971.

The power failure was the latest in a series of problems at the hospital.

It was one in a long series of problems reported over the years about the hospital.

At this point, a series of problems began to appear.

He worked on a series of problems, usually with a young student as his assistant.

But the company has hit a series of new problems.

A series of legal problems has also affected the program in the last few months.

And we've seen a series of problems that have resulted.

In the last few weeks, a whole series of problems seem to have come to a head.

We still have a whole series of problems to solve.