Stopping out In retouching, the use of a special lacquer to protect selected dot areas on the positive so that they are not etched further and reduced.See Staging.

• 防蚀处理修版时,在网点阴片上,用特备漆,涂于需要保护的地方,防止这里的网点被腐蚀而更为细小。参阅上文。