1.   Also missing is the loud, banging rattle of a powerful engine belching smoke from a snowmobile.

2.   By early evening, hundreds of firefighters stood and watched as ladder trucks poured water onto sections of the towers still belching black smoke.

3.   By early Tuesday evening, hundreds of firefighters stood and watched as ladder trucks poured water onto sections of the towers still belching black smoke.

4.   Emery, one of her office colleagues, had been trying to use his blazer to seal a ventilation duct that was belching smoke.

5.   It can be performed roadside, so operators can target vehicles that are belching black smoke.

6.   But after midnight, tanks rumbled up, belching smoke.

7.   But after midnight, tanks rumbled up belching smoke.

8.   Ecuadorean news media reported Thursday night that the Sierra Negra volcano on the island of Fernandina was belching smoke, but an eruption has not been officially confirmed.

9.   Houses were burning, and the oil refineries on the city outskirts were belching black smoke.