asbestos-graphite
41Musina — This article is about the city in South Africa. For the city in Italy, see Messina, Italy. Musina Messina   Town   …
42Ore dressing — is one of the principal processes in the work of mining. It consists of separating economically valuable minerals from those with little or no value, or of separating valuable minerals from each other, so that they may be further processed, for… …
43List of Minerals found in Pakistan — This is a list of minerals, both metallic and non metallic. Metallic* Aluminium * Antimony * Arsenic * Bauxite * Bentonite * Celestite * Chromite * Coal * Copper * Dolomite * Gold * Iron Ore * China Clay * Feldspar * Fire Clay * Fluorite * Fuller …
44Oxy-fuel welding and cutting — Oxyacetylene redirects here. For the song, see Cubanate. Side of metal, cut by oxygen propane cutting torch …
45Industrial history of the People's Republic of China — Main articles: Economy and economic history of the People s Republic of China. China s industrial sector has shown great progress since 1949, but in the late 1980s it remained undeveloped in many respects. Although the country manufactured… …
46Iron Range and Huron Bay Railroad — The Iron Range Huron Bay Railroad (IR HB) is a defunct railroad constructed to haul iron ore in Michigan s Upper Peninsula during the 1890s. Financial and engineering problems prevented the railroad s operation; it remains an unusual example of a …
4721 cm K 12 (E) — Infobox Weapon name=21 cm Kanone 12 (E) caption=A 21 cm K 12 V (E) elevated for firing origin=Germany type=railroad gun is ranged= is bladed= is explosive= is artillery=yes is vehicle= is UK= service= used by=flag|Nazi Germany wars=World War II… …
48Chlorine production — This article presents the industrial and laboratory methodologies to prepare elemental chlorine. Contents 1 Gas extraction 1.1 Mercury cell electrolysis 1.2 Diaphragm cell electrolysis (Bipolar) …
49Scientific research in Canada — This article outlines the history of natural scientific research in Canada including, mathematics, physics, astronomy, space science, geology, oceanography, chemistry, biology, medical research and psychology. The social sciences are not treated… …
50Messina (Musina) — 22°20′17″S 30°02′30″E / 22.33806, 30.04167 Messina (Musina) est une ville d Afrique du Sud du nord de la ré …
