Education: Secondary (high) school graduation certificate. Tasks: Determine type of glass, frames and material required. Read blueprints, drawings and specifications to determine work requirements . Measure, mark and cut glass. Assemble and install prefabricated glass, mirrors or glass products. Install door, window and other hardware. Repair glass doors and other glass structures. Assemble, erect and dismantle scaffolding, rigging and hoisting equipment. Experience: 3 years to less than 5 years.