{
  "title": "Surface Flatness",
  "kind": "reference",
  "company": "GRISH / Beijing Grish Hitech",
  "category": "Lapping, honing & superfinishing",
  "parameters": {
    "Brand / publisher": "GRISH",
    "Content type": "glossary",
    "Language": "English"
  },
  "language": "en",
  "source_url": "https://grish.com/term/surface-flatness-2/",
  "content_html": "<p>When processing or producing something, the surface is not absolutely flat, and the difference between the unevenness and the absolute level is the flatness. (The smaller the value, the better).</p>\n",
  "summary": "When processing or producing something, the surface is not absolutely flat, and the difference between the unevenness and the absolute level is the flatness. (The smaller the value, the better).",
  "sections": [],
  "updated_at": "2026-10-16"
}