11.   The block is used by merchants to ensure there is enough money to pay the bill when the final amount is known, Tung said.

12.   The bigger question is whether they will provide tangible incentives for merchants to use it.

13.   The merchant will use the decoder key to process the order.

14.   The system initially will let merchants use Web servers for credit card processing and authorization on the Internet.

15.   Media reports and anecdotal evidence suggested that many merchants used the introduction of euro notes and coins to raise prices.

16.   The bridge normally used by merchants to cross a canal between the two countries has been closed because of border tensions.

17.   Indian merchants used to sail to the region to sell spices, perfumes and other home-made products in exchange for pearls.

18.   A camel caravan arrived in Sarakhs to symbolise the old silk road, which merchants used to carry goods from China to the Mediterranean and beyond.

19.   Commission sources indicated that European merchants had been using the concession as a means of importing ACP rice into the EU without any duty.