1.  In retaliation the PKK enforced a blockade of the Iraqi border, preventing hundreds of lorries a day from crossing with crucial supplies.

2.  Kisangani is also the port of origin for ships that carry food and other crucial supplies downstream to countless towns and villages along the great Congo River.

3.  Missiles set fire to crucial Taliban oil supplies in the southern city of Kandahar.

4.  Over generations, the Afghans have become masters at hiding crucial supplies of food, fuel and weapons in hundreds, perhaps thousands, of caves around the country.

5.  With shuttle visits drawing to a close, the Russians will lose a crucial supply line that has enabled them to keep Mir operable despite their faltering economy.

6.  A day later than planned, a Russian cargo ship carrying a back-up computer and other crucial supplies docked with the Mir space station Wednesday.

7.  A day later than planned, a Russian cargo ship carrying a back-up computer and other crucial supplies prepared to dock with the Mir space station Wednesday.

8.  A tunnel running from Dobrinja to the rest of the city was a crucial supply line.

9.  Along the front line north of Kabul, Taliban forces held their ground Friday despite days of U.S. bombing aimed to open crucial supply lines.

10.  Despite days of U.S. bombing aimed at crucial supply lines north of the capital city of Kabul, Taliban forces appeared to hold their ground.