cast-iron mold
61Window shutter hardware — Window Shutter Hardware> Overview A series of documents are provided here to further explain terms and terminology related to shutter hardware and blacksmithing, as well as the evolution of early hardware.A Brief History of Early Hardware In its… …
62Western architecture — Introduction history of Western architecture from prehistoric Mediterranean cultures to the present. The history of Western architecture is marked by a series of new solutions to structural problems. During the period from the… …
63Chevrolet Vega — 1972 Chevrolet Vega GT Hatchback Coupe Manufacturer Chevrolet Division of General Motors Also called Vega 2300 …
64History of metallurgy in China — Metallurgy in China has a long history. China was the earliest civilization that produced cast iron. [ In 200 BC. Srinivasan, Sharda and Srinivasa Rangnathan. 2004. India’s Legendary Wootz Steel. Bangalore: Tata Steel.… …
65Graphite — For other uses, see Graphite (disambiguation). Graphite Graphite specimen General Category Native element mineral …
66Armor-piercing shot and shell — [ thumb|right|250px|Armour piercing shell of the APBC 1 Light weight ballistic cap 2 Steel alloy piercing shell 3 Desensitized bursting charge (TNT, Trinitrophenol, RDX...) 4 Fuse (set with delay to explode inside the target) 5 Bourrelet (front)… …
67bridge — bridge1 bridgeable, adj. bridgeless, adj. bridgelike, adj. /brij/, n., v., bridged, bridging, adj. n. 1. a structure spanning and providing passage over a river, chasm, road, or the like. 2. a connecting, transitional, or intermediate route or… …
68casting — /kas ting, kah sting/, n. 1. the act or process of a person or thing that casts. 2. something cast; any article that has been cast in a mold. 3. the act or process of choosing actors to play the various roles in a theatrical production, motion… …
69Threading (manufacturing) — Threading is the process of creating a screw thread. More screw threads are produced each year than any other machine element.[1] There are many methods of generating threads, including subtractive methods (many kinds of thread cutting and… …
70Fossil — For other uses, see Fossil (disambiguation). Three small ammonite fossils, each approximately 1.5 cm across …
