1.   In the meantime, the X-ray machines used at check-in security points will at least show when a shoe has been hollowed out to conceal explosive material.

2.   Terrorists have apparently plotted to conceal explosive material in their shoes in the past.

3.   Aziz denied U.N. claims that Iraq is concealing banned materials.

4.   Iraq says it has done so, but the U.N. inspectors believe Iraq may still be concealing banned materials.

5.   Iraq has denied it is concealing any material.

6.   Iraq is concealing weapons materials and failing to turn over important documents to U.N. monitors, a top U.N. weapons inspector said after meeting with Iraqi government officials.

7.   The chief U.N. weapons inspector, Rolf Ekeus, reported to the Security Council Monday that Iraq was still concealing biological warfare material.

8.   The Security Council agreed Friday to maintain its economic sanctions against Iraq amid concerns that Baghdad may be concealing material related to chemical and biological warfare programs.

9.   The United Nations believes that Iraq is concealing materials used to produce chemical and biological weapons at the presidential sites.

10.   The weapons inspectors repeatedly have accused Iraq of concealing banned material and purposely misleading the inspectors.