Labor (2) Waxes (2) Water (2) Waste paper--Recycling (2) Trials (2) Temperature (2) Soap (2) Recycling (Waste, etc.) (2) Pollutants (2) Papermaking (2) Paperboard (2) Paper (2) Oils and fats (2) Nature (2) Mechanics (Persons) (2) Matter (2) Manufacturing processes (2) Education (2) Bailments (2) Attachment and garnishment (2) Adhesives (2) Papel usado--Reciclado (2) Papel--Fabricación (2) Procesos de fabricación (2) Contaminantes (2) Cantidad (2) Empresa (2) Reciclado (2) Reducción (2) Depósito (2)