Their steel gears were shining with oil.

She could follow the entire process.
She nodded her head and smiled.
She was still a little tense, however, feeling uneasy at being so small among these rough metalworkers.

She jumped back more than once, her blood suddenly chilled by the dull thud of a machine.
Goujet had stopped before one of the rivet machines.

He stood there brooding, his head lowered, his gaze fixed.

This machine forged forty millimetre rivets with the calm ease of a giant.