mineral+tar
71Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… …
72Wood preservation — All measures that are taken to ensure a long life of wood fall under the definition wood preservation (timber treatment). Apart from structural wood preservation measures, there are a number of different (chemical) preservatives and processes… …
73oil shale — Geol. a black or dark brown shale or siltstone rich in bitumens, from which shale oil is obtained by destructive distillation. [1870 75] * * * Any fine grained sedimentary rock that contains solid organic matter (kerogen) and yields significant… …
74oil — Synonyms and related words: Barbados tar, Haliver Oil, Macassar oil, absinthe, adipose tissue, adulation, aid, alcohol, animal oils, anoint, anthracene oil, aquarelle, asphalt base oil, avocado oil, balm, balsam, bay oil, beechnut oil, beef… …
75Creosote — For other uses, see Creosote (disambiguation). Creosote is the portion of chemical products obtained by the distillation of a tar that remains heavier than water, notably useful for its anti septic and preservative properties.[1] It is produced… …
76Tailings — A panorama of Broken Hill, New South Wales, backed by the man made mullock (waste tailings) heaps from the Line of Lode mine (the mullock heaps are the hills that stretch across this image). Tailings, also called mine dumps, slimes, tails, leach… …
77technology, 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… …
78Deepwater Horizon oil spill — 2010 oil spill and BP oil spill redirect here. For other oil spills in 2010, see 2010 oil spill (disambiguation). For the 2006 oil spill involving BP, see Prudhoe Bay oil spill. For the drilling rig and explosion, see Deepwater Horizon… …
79Shale oil extraction — Shell s experimental in situ shale oil facility, Piceance Basin, Colorado, United States Process type Chemical Industrial sector(s) Chemical industry, oil indus …
80War in Afghanistan (2001–present) — War in Afghanistan Part of the Afghan civil war and the War on Terror …
