"Rotogravure coating" means the application of a coating material to a substrate by means of a roll coating technique in which the pattern to be applied is etched on the coating roll, and the coating material is picked up in these recessed areas and is transferred to the substrate.
N.H. Admin. Code § Env-A 1204.14
(See Revision Note at chapter heading for Env-A 1200) #9933, eff 6-1-11