CAD data (e.g. STEP, IGES) is taken over by the agency.
3D scene is modelled, materials (metal, plastic) and textures are created.
Lighting & camera are set up so that details and shapes are shown to their best advantage.
Render creates a high-resolution image or animated sequence (e.g. explosion graphic).
Optimization for web & SEO: images including alt text, IPTC or XMP metadata, compressed file sizes for faster loading times.