Year 1989 Summary: Lead Chemicals, Coors and Pyrotechnics, New Electric Purple, Electrical Firing Panel Design & Falls in Common Ground Systems, Mortar Update, Firecrackers, Grinding Out Green Powder, Causes of Display Effects, Save Those Shells, Igniter Flash Bags, Fusee Cones, Blender Comets, A Pyro Fix, Iodine Based Smokes, Plastic Igniter Cord Warning, Working with Lampblack, Castable Stars, Ammonium Perchlorate-Fumed Silica Hazard, Rocket Flight Launcher, More on Fast Rockets, Majestic Arching Transformation, El Cheapo Fuse Cutting Device, Resin Hazards, Save Your Old Cakes, Stinger Missiles, Recommended Lift Charge Amounts, Stars: Types & Nomenclature, Pro Fax, Round Corner.