The grooved roll (22) is adapted as such to create a vacuum.

In addition, at least one guide roll (16) covered by the web (14) for less than 90° is a grooved roll (22).

A scoring system uses a grooved roller and a variety of resilient annular scoring tools.

A blow box (24) is disposed between the two rolls; the blow box provides suction for the grooved roll and provides vacuum which restrains a web on the dryer fabric (12) as it travels between the first and the second rolls.

Provided is a cutting method for cutting an ingot into wafer shapes by wrapping a wire on a roller having grooves, and by pushing the wire being run onto the ingot, while feeding the grooved roller with cutting slurry.

In the cross direction of the web forming machine, the grooved roll (22) has adjacent grooves (24), which grooves (24) are separate vacuum zones over the area covered by the web (14).