cuttings chamber

См. также в других словарях:

• tunnels 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 …   Universalium

• Aeroponics — is the process of growing plants in an air or mist environment without the use of soil or an aggregate medium. Aeroponic culture differs from both hydroponics and in vitro (Plant tissue culture) growing. Unlike hydroponics, which uses water as a… …   Wikipedia

• Taupo railway proposals — There have been a number of proposals to build a Taupo Line as a branch railway linking the township of Taupo in the central North Island of New Zealand to New Zealand s rail network. One proposal proceeded as far as the construction stage before …   Wikipedia

• Lock (water transport) — Canal lock and lock keeper s cottage on the Aylesbury Arm of the Grand Union Canal at Marsworth in Hertfordshire, England …   Wikipedia

• canals and inland waterways — ▪ waterway Introduction       natural or artificial waterways used for navigation, crop irrigation, water supply, or drainage.       Despite modern technological advances in air and ground transportation, inland waterways continue to fill a vital …   Universalium

• Formation evaluation — In petroleum exploration and development, formation evaluation is used to determine the ability of a borehole to produce petroleum. Essentially, it is the process of recognizing a commercial well when you drill one .Modern rotary drilling usually …   Wikipedia

• Philodendron — Taxobox name = Philodendrons image width = 250px image caption = Tree Philodendron ( Philodendron bipinnatifidum ) regnum = Plantae divisio = Magnoliophyta classis = Liliopsida ordo = Alismatales familia = Araceae subfamilia = Aroideae tribus =… …   Wikipedia

• Nelson Section — The remains of the former Kawatiri Station, 2007 Overview Type New Zealand Government Railways regional rail …   Wikipedia

• King John's Palace — viewed from the south east King John s Palace, King s Clipstone is the remains of a once magnificent medieval royal palace in north west Nottinghamshire. The name King John s Palace has been used since the 18th century, prior to that the site was …   Wikipedia

• arts, East Asian — Introduction       music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature.       Some studies of East Asia… …   Universalium

• Willow — Salix redirects here. For other uses, see Salix (disambiguation). Osier redirects here. For the ghost town, see Osier, Colorado. For other uses, see Willow (disambiguation). Willow Salix alba Vitellina Tristis …   Wikipedia