21.   The signs have to be removable since officers take their cars home with them and are allowed to use them off duty.

22.   There have signs that the U.N. mission is making some progress in recent days, but many such efforts have collapsed previously.

23.   GNI said a hot summer in Japan had caused demand from the canning industry to rise but this positive sign had no impact on the market.

24.   The air force suspect the warplane could have crashed, but no sign of debris has yet to be found, the officials said.