articles that have a diamond or diamond-like carbon coating; materials that have a diamond or diamond-like carbon composition; metal articles that have a diamond or diamond-like carbon coating; engineering components (e.g., cutting tools and inserts, bearings, etc.), electronic components (e.g., cutting tools and inserts, bearings, etc.) electronic components, sporting articles (e.g., ice skates, etc.), and consumer goods (e.g., razor blades, scissors, knifes, etc.) that have a diamond or diamond-like carbon coating
Jewelry