11.   The loud pops were variously described as the breaking of champagne bottles, firecrackers and metal stanchions tumbling to the marble floor.

12.   The other day Case was driving when he heard some loud pops under the hood.

13.   Victims reported that they had not cut anyone off or made any other provocative maneuvers before they suddenly heard a loud pop and their rear window blew out.

14.   Witnesses reported two loud pops, following by a mass of people sliding down the broken sections.

15.   You do not want a loud pop.

16.   A loud pop could be heard just after they gave him the water.

17.   A woman leaning forward in her upper deck seat also heard a loud pop.

18.   During the live broadcast, a loud pop could be heard just after the water was provided.

19.   I knew something happened, because it was a loud pop.

20.   There were a few loud pops as a couple of the bolts holding the steel to the concrete ripped loose.