natural corrosion
41Technetium — molybdenum ← technetium → ruthenium Mn ↑ Tc ↓ Re …
42Fouling — This article is about fouling in engineering. For uses of the term foul outside technology, see Foul (disambiguation). Not to be confused with fowling. Heat exchanger in a steam power plant, fouled by macro fouling …
43Petroleum in Nigeria — The extraction and drilling of petroleum in Nigeria is the largest industry and main generator of GDP in the West African nation which is also the continent s most populous. Since the British discovered oil in the Niger Delta in the late 1950s,… …
44List of oil field acronyms — Contents 1 # 2 A 3 B 4 C …
45harbours and sea works — Introduction harbour also spelled harbor any part of a body of water and the manmade structures surrounding it that sufficiently shelters a vessel from wind, waves, and currents, enabling safe anchorage or the discharge and loading of… …
46Copper alloys in aquaculture — A copper alloy pen that has been deployed on a fish farm at depth of 14 feet for one year shows no signs of biofouling. Recently, copper alloys have become important netting materials in aquaculture (the farming of aquatic organisms including… …
47Iron — Fe redirects here. For other uses, see Fe (disambiguation). This article is about the chemical element. For other uses, see Iron (disambiguation). manganese …
48Fly fishing — in a river Fly fishing is an angling method in which an artificial fly is used to catch fish. The fly is cast using a fly rod, reel, and specialized weighted line. Casting a nearly weightless fly or lure requires casting techniques significantly… …
49History of the petroleum industry in Canada — The Canadian petroleum industry arose in parallel with that of the United States. Because of Canada s unique geography, geology, resources and patterns of settlement, however, it developed in quite different ways. The evolution of the petroleum… …
50Arctic Regions — ▪ 2009 The Arctic regions may be defined in physical terms (astronomical [north of the Arctic Circle, latitude 66° 30′ N], climatic [above the 10 °C (50 °F) July isotherm], or vegetational [above the northern limit of the tree line]) or in human… …
