She says the drum beats sound like robots walking in the snow.

VOA: special.2009.08.14

Like the toys,Transformers are robots that can change into vehicles such as cars and earth-moving equipment.

VOA: special.2009.06.12

"On station one,we have robot arms. And what happens is the robots have different joints like a human arm -- one at the shoulder,one at the elbow, wrist and then a claw.

VOA: special.2010.07.28