The extensive use of web caches also presented a problem for logfile analysis.

Each use will present its own problems of proof and it is impossible to lay down any hard and fast rules.

The use of the magazine article presents similar hurdles for the defense.

He acknowledged that Iraq's reported use of chemical weapons against its Kurdish population presented a "problem."

Its use presents a conflict between the common good and individual rights.

The use of videotape as a teaching aid presents several advantages, Lazarus says.

The widespread over use of antibiotics presents another major problem.

The use of condoms as a preventive measure also presents a problem in Islam.

However, the use of wood as the primary material presented a major problem, especially as baseball continued to thrive.

Normal use does not present a hazard; it is typical to burn 3 or 4 strips per week, and to air the area regularly.