1.   But he noted that it also makes a ticking sound that some people find irritating when the gas goes on and off to maintain a low heat.

2.   Edgy Moscovites, fearing terrorist reprisals by Chechens, have kept police bomb squads working overtime with panicky reports of suspicious ticking sounds and abandoned briefcases.

3.   Nervous Moscovites, fearing terrorist reprisals by Chechens, have kept police bomb squads working overtime with panicky reports of suspicious ticking sounds and abandoned briefcases.

4.   The Smug Marrieds are the ones who on spotting a singleton imitate the ticking sound of a body clock.

5.   Things will pop as soon as your new employer learns the truth, and you will hear a ticking sound every day until this happens.