drum furnace
31zinc processing — Introduction preparation of the ore for use in various products. Zinc (Zn) is a metallic element of hexagonal close packed (hcp) crystal structure and a density of 7.13 grams per cubic centimetre. It has only moderate hardness and can …
32technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
33Şemsi Pasha Mosque — Basic information Location Istanbul, Turkey Geographic coordinates …
34The Watchmen — Infobox musical artist | Name = The Watchmen Img capt = Img size = Background = group or band Birth name = Alias = Born = Died = Origin = Winnipeg, Manitoba, Canada flagicon|Canada Instrument = Genre = Alternative rock Occupation = Years active …
35Zhang Heng — For other uses, see Zhang Heng (disambiguation). This is a Chinese name; the family name is Zhang. Zhang Heng (張衡) Born …
36List of heraldic charges — This article does not cover those charges which derive their shape in part from that of the field; see Ordinary (heraldry). Subordinary chargesA few simple charges are traditionally, and arbitrarily, classified among the subordinaries. (All other …
37Needle in a Slunk Stack — Studio album by Buckethead Released September 24, 2009 …
38Ōtsuzumi — The Ōtsuzumi (大鼓, Ōtsuzumi?), also known as the ōkawa, is an hourglass shaped Japanese drum. It is a larger version of the tsuzumi, or kotsuzumi and is used in traditional Japanese theater and folk music. Its appearance and the sound it produces… …
40Sentinel boiler — Škoda Sentinel Super Sentinel steam waggon The Sentinel boiler was a design of vertical boiler, fitted to the numerous steam waggons built by the Sentinel Waggon Works. The boiler was carefully designed for use in a steam wagon: it was compact …