If two parts touch one another or rub against each other, then interference sound can develop.

He tugged that part of the web which allowed him to touch his associates.

No part of us touched, but I felt the heat of him.

I could feel, under my hand, that part of his body he had urged me to touch.

He looked up and part of a smile touched his mouth.

No other part of their body may touch the floor except the ones used for the octagons.

No part of his body touched hers, yet her skin burned.

Adjacent parts don't touch each other, and you have to imagine what they would look like without the gaps.

Some tiny part of her wanted to touch him and heal that pain, but she held herself back from it.

To pass both tests, no part of the lens may touch the eye.