Ultra realistic cinematic storyboard sheet showing 12 sequential panels of a room electrical installation process, all frames arranged in a professional storyboard layout on a single white sheet, hand-drawn cinematic composition mixed with realistic rendering, static camera angles, documentary construction style. Panel 1: Empty dusty unfinished room. Panel 2: Electricians entering with tools and wire rolls. Panel 3: Wall cutting for electrical wiring channels. Panel 4: Ceiling wiring installation process. Panel 5: AC copper pipe installation. Panel 6: Switch board fitting and wire connections. Panel 7: LED light holders installed. Panel 8: Ceiling fan mounting process. Panel 9: AC indoor unit mounted on wall. Panel 10: Electricians testing electrical system. Panel 11: Room cleaning and final adjustments. Panel 12: Fully completed modern room with lights on, fan spinning and AC running. Detailed storyboard frames, cinematic arrows and scene transition notes, realistic workers in safety uniforms, tools visible in every panel, consistent room layout across all storyboard frames, film production storyboard style, highly detailed black-and-white sketch mixed with soft cinematic shading, professional pre-production concept sheet, one single image containing all storyboard panels.