This section is from the "A Complete Dictionary of Dry Goods" book, by George S. Cole. Also available from Amazon: A complete dictionary of dry goods and history of silk, cotton, linen, wool and other fibrous substances,: Including a full explanation of the modern processes ... together with various useful tables.
Gassing. The process by which cloth that is to be finished with a smooth surface, as well as lace and yarns, is run through a gas flame at a speed carefully regulated so that the flame shall burn off the loose fuzz and filaments. [See Singeing]