maintenance worker, male, (30yo), focused expression, safety helmet, reflective vest, denim jeans, sturdy boots, holding wrench, kneeling position, repairing machinery, industrial setting, factory background, steel structures, pipes, greasy texture, metallic surfaces, sparks, ambient light, practical lighting, close-up shot, dynamic angle, high contrast, detailed machinery, realistic style, blue-collar, action pose, midday light, clear sky, wide-angle lens.