The operating line is switched to the change request line depending on whether the connected devices of both lines are the same or not.

Currently, the system has a single line and it connects 17 stations.

Currently, it only has one line that connects 10 stations.

For less than $100.00 per year, you can have a fully operational online business today.

An operational on-line shop doesn't mean, however, that the initial orders automatically arrive.

An operational online shop does not mean, however, that the first orders automatically arrive.

An operational on-line shop doesn’t mean, however, that the initial orders automatically arrive.

They agreed to use the operational nuclear hotline to also address cyber emergencies.

Opening of France's first operational electric telegraph line, between Paris and Lille.

When analysis of a control command shows that the control command is a request for change of the type of an operating line, the operating line and a change request line are managed duplexedly.

Today it has just one concession operational, but has been planning for more.

1846 Opening of France's first operational electric telegraph line, between Paris and Lille.

There is only one operating line, but several expansions are currently under construction while four additional lines are being planned.