1.   ABC has been widely promoting its commitment to covering all sorts of worldwide events as the clock changes around the world that day.

2.   The electricity commission also has an early-warning system that will alert technicians if other countries begin to experience problems as the clock changes.

3.   There are usually several stations in the assembly line for data, and each station must finish its task before the clock signal changes again.

4.   France believes the current clock changes make no sense economically, or in terms of their effect on lifestyles.