Step 12. Attach left frame (part B) to assembled unit (parts D, O & P) using wood
dowels (part #8), long bolts (part #6), barrel nuts (part #7), allen wrench
(part #16), phillips head screwdriver and lock the hardware.
Step 13. Attach locking casters (part #14) and casters (part #15) to frames
(parts B & C) using wrench (part #17).
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