fan fold

fan fold

[′fan ‚fōld]
(geology)
A fold of strata in which both limbs are overturned, forming a syncline or anticline.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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The curtains fan fold and collapse, giving flexibility to enclose an area during loud noise processes and open the space back up after the task is complete.
The rectangular fan folds flat for easy storage, comes with a remote control and has clear blades that silently circulate air.
Electronic processing labels, tags and tickets can be fan folded and it's a process used frequently for food and pharmaceutical applications.
The future newspaper will be a 14" wide by 8.5" deep, high-speed printer generated sheet from a continuous fan folded supply.