Ключевые слова: assembling, assembly, backdrop, calibration, concert, construction, design, digital, display, equipment, event, festival, framework, height, installation, large, led, led screen, light, lighting, live, maintenance, metal, multimedia, outdoor, outside, panel, performance, planning, preparation, production, rigging, scaffolding, scaffolds, scene, screen, setup, show, sound, stage, steel, system, technical, technology, test, video, visual, workers,