(when used in industrial context)
71Water pollution — Raw sewage and industrial waste flows across international borders New River passes from Mexicali to Calexico, California. Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans and groundwater). Water p …
72Shell (projectile) — This article is about the artillery projectile. For the small arms ammunition, see Shotgun shell. Some sectioned shells from the First World War. From left to right: 90 mm fragmentation shell, 120 mm pig iron incendiary shell, 77/14 model 75 mm… …
73Carpetbagger — In United States history, carpetbaggers was the term southerners gave to northerners who moved to the South during Reconstruction, between 1865 and 1877. They formed a coalition with freedmen (freed slaves), and scalawags (southern whites who… …
74Machining vibrations — Machining vibrations, also called chatter, correspond to the relative movement between the workpiece and the cutting tool. The vibrations result in waves on the machined surface. This affects typical machining processes, such as turning, milling… …
75Media and Publishing — ▪ 2007 Introduction The Frankfurt Book Fair enjoyed a record number of exhibitors, and the distribution of free newspapers surged. TV broadcasters experimented with ways of engaging their audience via the Internet; mobile TV grew; magazine… …
76Noam Chomsky's political views — Noam Chomsky at an antiwar rally in Vancouver, 2004 Noam Chomsky is a widely known intellectual, political activist, and …
77Artillery — For other uses of the term, see Artillery (disambiguation). Warfare Military history Eras Prehistoric Ancient …
78Sigmund Freud — Freud redirects here. For other uses, see Freud (disambiguation). Sigmund Freud Sigmund Freud, by Max Halberstadt, 1921 …
79Shotgun — For other uses, see Shotgun (disambiguation). A pump action Remington 870, two semi automatic …
80Sexism — Part of a series on Discrimination General forms …
