edges etc
61Platonic solid — In geometry, a Platonic solid is a convex polyhedron that is regular, in the sense of a regular polygon. Specifically, the faces of a Platonic solid are congruent regular polygons, with the same number of faces meeting at each vertex; thus, all… …
62Altar (Catholicism) — High altar of St. Michael s Church, Munich. In the liturgy of the Roman Catholic Church, the altar is where the Sacrifice of the Mass is offered. Mass may sometimes be celebrated outside a sacred place, but never without an altar, or at least an… …
63Corrective lens — A bifocal corrective eyeglass lens A pair of contact le …
64Spring (device) — Helical or coil springs designed for tension Compression sp …
65File (tool) — A file (or hand file) is a hand tool used to shape material by cutting. A file typically takes the form of a hardened steel bar, mostly covered with a series of sharp, parallel ridges or teeth . Most files have a narrow, pointed tang at one end… …
66United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
67corner — cor|ner1 W2S1 [ˈko:nə US ˈko:rnər] n ▬▬▬▬▬▬▬ 1¦(where two lines/edges meet)¦ 2¦(road)¦ 3¦(corner of a room/box)¦ 4¦(mouth/eye)¦ 5¦(difficult situation)¦ 6¦(sports)¦ 7¦(distant place)¦ 8 see something out of the corner of your eye 9 (just)… …
68ARCHAEOLOGY — The term archaeology is derived from the Greek words archaios ( ancient ) and logos ( knowledge, discourse ) and was already used in ancient Greek literature in reference to the study of ancient times. In its modern sense it has come to mean the… …
69Flag of Romania — Infobox flag Name = Romania Article = Use = 111111 Symbol = Proportion = 2:3 Adoption =26 June 1848 1 July 1866 27 December 1989 16 July 1994 Design = A vertical tricolour of blue, yellow, and red, with stripes of equal width and blue near the… …
70Zonohedron — A zonohedron is a convex polyhedron where every face is a polygon with point symmetry or, equivalently, symmetry under rotations through 180°. Any zonohedron may equivalently be described as the Minkowski sum of a set of line segments in three… …
