The Fatman has two amber vacuum tubes, as well as a green tube.
The other forms a mandala with 32 yellow and green tubes.
There were long, green tubes glowing in the vault and the feel of swirling gases.
It grew as a green tube with a spray of pink blossoms at the tip.
But two of the men had stubby green tubes which they raised and fired.
The light is a green zig-zag shaped tube running across the top of the clock.
He bent, snaked his hand between the two bars on the left side of the cell, and grabbed the fat green tube.
The perforated metal panels are lit from below with white, green and black fluorescent tubes.
A long green tube snaked from a heavy tank of oxygen to the boy's throat.
The glass bowl has green gel and green tubes in it.