excavation machine
11tunnels 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 …
12Second Avenue Subway — Planned route of the NYC Subway Second Avenue Line ( T , in teal). Overview Type Rapid transit System …
13List of pipeline accidents — The following is a list of pipeline accidents: This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. Contents 1 Bel …
14Anthropology and Archaeology — ▪ 2009 Introduction Anthropology Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …
15Tunnel — This article is about underground passages. For other uses, see Tunnel (disambiguation). Underground tunnel for heatpipes between Rigshospitalet and Amagerværket in Denmark …
16India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… …
17mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …
18Engineering Projects — ▪ 1995 Introduction BRIDGES Notable Engineering Projects(For Notable Engineering Projects in work, see Table (Notable Engineering Projects).) As the decade of the 1990s reached its midpoint, the limits to bridge design were being… …
19trou — [ tru ] n. m. • mil. XIIIe; trau XIIe; lat. pop. °traucum, lat. médiév. attesté traugum, probablt d o. prélatine A ♦ 1 ♦ Abaissement ou enfoncement (naturel ou artificiel) de la surface extérieure de qqch. ⇒ cavité, creux, dépression, excavation …
20building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
