In manufacturing or electronics, this code may represent a specific component. In this context, the "work" refers to the of the hardware: Voltage/Power: The "20" might signify a 20V or 20A limit.
If "azgb20rar" is a filename, its primary job is . azgb20rar work
If it’s a .rar file, it may be incomplete. Try downloading it again. In manufacturing or electronics, this code may represent
Are you trying to a specific file with this name, or In manufacturing or electronics
If it’s a hardware code, check the official support pages of the manufacturer you suspect produced it.