1.   Ideally, the vent should be centered under the roof peak.

2.   Next determine which joist will be centered directly under the fan.

3.   One question that remained unresolved centered around under what conditions would prevail in Kosovo for the international security force to enter the province.

4.   The quake was centered under the island of Awaji in the Inland Sea, according to the Central Meteorological Agency.

5.   A powerful earthquake centered under the Mediterranean Sea shook parts of the Mideast and Greece early Tuesday.

6.   A strong earthquake centered under the eastern part of the Mediterranean Sea late Tuesday shook parts of Cairo and the island of Crete.

7.   A powerful earthquake centered under the Mediterranean Sea shook parts of Egypt, Greece and Israel early Tuesday.

8.   A strong earthquake centered under the eastern part of the Mediterranean Sea was felt in Cairo late Tuesday, Egyptian officials said.

9.   Earthquakes are frequent in Taiwan, but most of them are centered deep under the sea and cause little damage.

10.   It was centered under the ocean, which helped muffle its strength.