quality carbon steel
51Structural engineering — is a field of engineering dealing with the analysis and design of structures that support or resist loads. Structural engineering is usually considered a speciality within civil engineering, but it can also be studied in its own right. [cite… …
52Japanese cutlery — There are a number of different types of Japanese kitchen knives. The most commonly used types in the Japanese kitchen are the deba bocho (kitchen cleaver), the santoku hocho (all purpose utility knife), the nakiri bocho and usuba hocho (Japanese …
53Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …
54Iron — Fe redirects here. For other uses, see Fe (disambiguation). This article is about the chemical element. For other uses, see Iron (disambiguation). manganese …
55Basic oxygen steelmaking — ( BOS, BOF, Linz Donawitz Verfahren, LD converter ) is a method of steelmaking in which carbon rich molten iron is made into steel. The process is an improvement over the historically important Bessemer process. The LD converter is named after… …
56Chinese swords — Ou Yezi making sword painting in Ou Yezi temple of Longquan City Swords have a long history in China. Stone swords were used in prehistoric times.[citation needed] Bronze swords have been tr …
57Colnago — is a manufacturer of high end road racing bicycles founded by Ernesto Colnago in 1954 near Milano in Cambiago, Italy. Instead of following his family s farming business Ernesto Colnago chose to work in the cycle trade, apprenticing first with… …
58Laser cutting — process on a sheet of steel. CAD (top) and stainless steel laser cut part (bottom) Laser cutting is a technology that uses a laser to cut materials, an …
59Japanese sword — Traditional Samurai swords and fittings A Japanese sword, or nihontō (日本刀 or にほんとう, lit. Japanese sword …
60Hydrochloric acid — IUPAC name Hydrochloric acid[ …
