1. Rubber cement for repairing pneumatic tires

2. Elmer's No-Wrinkle Rubber Cement, Acid-Free, 4 Oz Bottle, Pack of 2.

3. Unetched parts the plate are protected with resists such as stopout varnishes containing ethyl alcohol, grounds containing asphaltum or gilsonite and mineral spirits, rubber cement, and rosin or spray paints for Aquatinting