high grade coal
121Balloon (aircraft) — Ballooning redirects here. For the behavior of spiders and other arthropods, see Ballooning (spider). Not to be confused with Airship or Blimp. Balloon …
122Industrial wastewater treatment — covers the mechanisms and processes used to treat waters that have been contaminated in some way by anthropogenic industrial or commercial activities prior to its release into the environment or its re use.Most industries produce some wet waste… …
123Black Star Canyon — is a remote mountain canyon in the Santa Ana Mountains, located in eastern Orange County, California. It is a popular destination for mountain bikers due to its wild scenery and the fact that its main access road is closed to automobile… …
124Abraham Darby I — Abraham Darby (April 14, 1678 ndash; May 5, 1717) was the first, and most famous, of three generations with that name in an English Quaker family that played an important role in the Industrial Revolution. He developed a method of producing high… …
125March 1927 — January February March April May June July August September October November December The following events occurred in March 1927 Contents 1 March 1, 1927 (Tuesday) 2 March 2, 1927 (Wednesday) 3 March …
126western Africa, history of — Introduction history of the region from the 11th century to the present. A reasonable body of sources for the writing of western African history begins to be available about AD 1000. Three centuries earlier, the Arabs (Arab) had… …
127Russian locomotive class Ye — Russian class Е [Ye] Еа 629 (Ел 629) as a monument in Ussuriysk (Primorsky Krai) Power type Steam Builder Baldwin Locomotive Works; American Locomotive Company; …
128Desalination — This article is about removing salt from water. For soil desalination, see Soil salinity control. Water desalination Methods Distillation Multi stage flash distillation (MSF) Multiple effect distillation (MED|ME) Vapor compression (VC) Ion… …
