A sheets: ISO paper sizes based on metric dimensions. The ISO standard is used everywhere except North America for determining standard trim sizes.
Accordion fold: Zigzag type of fold in a sheet of paper where two or more parallel folds open in the manner of an accordion, permitting the paper to be extended to its full breadth with a single pull. Also called a fan fold.
Agricultural fibers: Fiber harvested from tree-free organic sources that are grown specifically for use in paper production and often bearing the label “tree-free.”
Agricultural residues: Fibers recovered from annual crops usually planted as food crops or for commercial ...