drafting and paperwork

Technical construction blueprint for a theater lighting design, showing detailed electrical wiring, lighting fixtures, and instrument legend with descriptions.
Architectural floor plan of UCSD Epstein Amphitheatre showing stage, seating, technical equipment, and lighting. Contains title block with show info: 'Ghostly Labor,' including credit for designer and engineer. Clear dimensions and layout details.
Image of four batteries and a robotic device with text instructions for charging, maintaining, and refilling batteries, including safety precautions and a warning about exposure to battery acid.