Close-up composition focusing on heavy-duty industrial power cables, fiber optic bundles, and liquid cooling pipes feeding into a modern server housing unit. A maintenance engineer's gloved hand adjusts a digital circuit breaker dial. The lighting is crisp and utilitarian, highlighting brushed steel and insulated wiring against a dark background.. Context markers: heavy-duty electrical cables, cooling pipes, modern industrial server housing. The complete visual composition—including all primary subjects, secondary supporting elements, boundaries, and environmental contours—must sit comfortably inside the canvas with generous clean white negative space visible on all four sides (target 8-12% margins, minimum 6%). The entire visual assembly must occupy maximum 80% canvas height and 84% canvas width. Nothing touches or crosses any canvas edge. Do not crop the primary subject. Clean isolated 2D explainer composition against pure white/off-white background. hand-drawn 2D explainer cartoon illustration, confident clean black outlines, flat cel-style colors, simplified readable forms, soft minimal shading, clear focal hierarchy, clean educational YouTube illustration, no photorealism, no 3D rendering, no typography, no text, no watermarks
