moves back and forth

It consists of a tiny metal finger with a tip only a few atoms wide that moves back and forth just above the surface of a sample.

The arm that holds the read-write head and moves back and forth over the surface of a dis k.

He moves back and forth as he reads one of his poems, called "The Want Bone. "

Any time someone comes near, a glowing green space invader moves back and forth across the top of the mat.

Means that when focus moves back and forth, the focus will always stay within a component of the cycle within its focus cycle root.

Your missions will see you returning to the same planetary locations as the combat moves back and forth.

But the double-acting type sludge pump moves back and forth every time one time completes two times attracts the draining water movement.

The music is played and Mr. Turtle starts to dance. The music is slow just like Mr. Turtle. Mr. Turtle just moves back and forth.

It's like a flat-bed scanner that moves back and forth and (puts) cells on you.

This sprawling story of the Pacific Northwest moves back and forth from the late 19th century to contemporary times.

In shaping, the cutting tool on a shaper reciprocates or moves back and forth while the work is FED automatically towards the tool.

The story moves back and forth in time, from different viewpoints.

Striated: A hard object contacts a softer object and moves back and forth (for example, pry marks on a window frame).