Question: The "Maschinengewehr" 30 is most notable as the design pattern that led to what is generally considered the world's first what?
Sentence (from "Yosegi"): and "Ilex macropoda" are used for white, aged Katsura tree ("Cercidiphyllum japonicum") for black, "Picrasma quassioides", mulberry ("Morus alba") and Chinese lacquer tree ("Toxicodendron vernicifluum") for yellow, camphor tree ("Cinnamomum camphora") and "Maackia" for brown, black walnut ("Juglans nigra") for purple, Japanese cucumber tree ("Magnolia obovata") for blue and Chinese cedar ("Toona sinensis") for red.
Relevant evidence: No