------------- Secondary (high) school graduation certificate
Tasks
--------- Determine type of glass, frames and material required
Measure, mark and cut glass
Position and secure panes in frame
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
Read and interpret blueprints, maps, drawings and specifications