Step 4:
Put Upper Arc Tube (E) on the Table Top (F) according to arrow direction. And connecting Upper
Arc Tube (E) and the Table Top (F) with Bolt (DD), Flat Washer (BB) and Nut (EE).
Step 5:
Connecting the connector of Upper Arc Tube (E) and Upper Round Tube (D) with Bolt (AA) and Flat
Washer (BB)