No ground connections, although they did have a landing pad for aircraft.

The return path is through the ground connection.

At first, the radio did not work, until his father connected another wire to the radiator, for the ground connection.

"Taking root" (ground connection) is close contact with the ground in order to get energy from it.

Building correct structure of a body is the key question both in health improvement and in using ground connection.

Where a real ground connection has a significant resistance, the approximation of zero potential is no longer valid.

Any bare or green-insulated wire that you see is a ground connection.

Unfortunately the route starts from a hanging stance with no ground connection as yet!

See (27) below for details of how to install, check, and test a ground connection.

A third electrode, used as a ground connection, is attached behind one ear.