In an offset printing press, adhesives are used to bond different sides of the box, or the laminated paper onto the corrugated sheet. These adhesives are created by dissolving natural rubber with solvents, adding resins and other compounds and using chemical catalysts or heat to create particular polymers. However, due to the recent expansion, there is an increase in the manual workers and the new ones don't remember the accurate proportions. Thus, a decrease in productivity is seen as other sectors of industry have to halt their processes and wait for the pasting to be done.