borehole or tunnel
1Tunnel — This article is about underground passages. For other uses, see Tunnel (disambiguation). Underground tunnel for heatpipes between Rigshospitalet and Amagerværket in Denmark …
2Semipalatinsk Test Site — Infobox Military Test Site name=Semipalatinsk Test Site caption=Operation First Lightning, the first Soviet atomic test map caption=The 18,000 km 2 expanse of the Semipalatinsk Test Site (indicated in red), attached to Kurchatov (along the Irtysh …
3tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
4explosive — explosively, adv. explosiveness, n. /ik sploh siv/, adj. 1. tending or serving to explode: an explosive temper; Nitroglycerin is an explosive substance. 2. pertaining to or of the nature of an explosion: explosive violence. 3. likely to lead to… …
52010 Copiapó mining accident — Copiapó mining accident redirects here. For the 2006 accident in the Carola Agustina mine, see 2006 Copiapó mining accident. 2010 Copiapó mining accident Rescue efforts at San José Mine near Copiapó, Chile on 10 August 2010 Date …
6Radioactive waste — 2007 ISO radioactivity danger logo, designed in part for long term radioactive waste depositories which might survive into a far future time in which all knowledge of the meaning of present common radiation danger symbols and signs has been lost… …
7Earth exploration — Introduction the investigation of the surface of the Earth and of its interior. By the beginning of the 20th century most of the Earth s surface had been explored, at least superficially, except for the Arctic and Antarctic regions. Today the… …
8Crandall Canyon Mine — Coordinates: 39°27′36″N 111°10′04″W / 39.460000°N 111.167639°W / 39.460000; 111.167639 The Crandall Canyon Mine, formerly Genwal …
9List of Statutory Instruments of the United Kingdom, 1988 — NOTOC This is a complete list of all 1558 Statutory Instruments published in the United Kingdom in the year 1988.1 100* Origin of Goods (Petroleum Products) Regulations 1988 S.I. 1988/1 * Export of Sheep (Prohibition) (No.2) Amendment Order 1988… …
10List of Statutory Instruments of the United Kingdom, 1987 — This is a complete list of all 1468 Statutory Instruments published in the United Kingdom in the year 1987. NOTOC 1 100* Parish and Community Meetings (Polls) Rules 1987 S.I. 1987/1 * National Health Service (Food Premises) (Scotland) Regulations …
