The oldest unit in service had an age of 55 years.

This new team was a distinct improvement over the old unit in terms of their getting along together.

Anyone failing to complete this training was returned to his old unit.

Port Washington has five 80-mega-watt units 38 to 53 years old.

The problem's only going to get worse as we start retiring the old units.

Just luck of the draw says you're not going to get your old unit.

Having been built in 1990 this is the oldest unit.

These will replace two or three very old units nearby.

I don't know if your old unit did this before you came here, but they should have.

Take the wires off the old unit and hook them up to the new one.