top shaft
81Crusher — For other uses, see Crusher (disambiguation). A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more… …
82Su Song — 蘇頌 (Sū Sòng) Born 1020 near Quanzhou Died 1101 (aged 80–81) Nationality Chinese …
83List of Deadliest Catch episodes — This is a list of Deadliest Catch episodes with original airdate on Discovery Channel. Airdates on Discovery Channel Canada generally differ. Contents 1 Pilot 2 Season 1 3 Season 2 4 Season 3 …
84building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
85Bow drill — The bow drill is an ancient tool. While it was usually used to make fire, it was also used for primitive woodworking and dentistry. It consists of a bearing block or handhold , a spindle or drill , a hearth or fireboard , and a simple bow .… …
86Direct-Shift Gearbox — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic Dual …
87List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
88order — orderable, adj. orderer, n. orderless, adj. /awr deuhr/, n. 1. an authoritative direction or instruction; command; mandate. 2. a command of a court or judge. 3. a command or notice issued by a military organization or a military commander to… …
89Mopani Copper Mine — Mopani Copper Mines Plc Type Public Company Industry Mining, Materials Founded N/A Headquarters Kitwe, Zambia Key people Emmanuel B Mutati, CEO …
90Cue stick — A pool cue and its major parts.[1]:71–72[2] A cue stick (or simply cue, more specifically pool cue, snooker cue, or billiards cue), is an item of …
