car mechanic, male, (25yo), muscular build, focused expression, short hair, grease stains, blue jumpsuit, rolled-up sleeves, holding wrench, replacing fuel pump, modern car, garage setting, tools scattered, car lifted, fluorescent lighting, detailed engine parts, realistic textures, metal surfaces, rubber hoses, 3/4 view, mid-action pose, ambient shadows, high contrast, sharp details, 2021 model car, professional, efficient.