underwater sawing

См. также в других словарях:

• mining — /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… …   Universalium

• ARCHAEOLOGY — The term archaeology is derived from the Greek words archaios ( ancient ) and logos ( knowledge, discourse ) and was already used in ancient Greek literature in reference to the study of ancient times. In its modern sense it has come to mean the… …   Encyclopedia of Judaism

• Steam engine — A steam engine is a heat engine that performs mechanical work using steam as its working fluid. [ [http://www.britannica.com/EBchecked/topic/564472/steam engine steam engine Britannica Online Encyclopedia ] ] Steam engines have a long history,… …   Wikipedia

• Lumber — Timber redirects here. For other uses, see Timber (disambiguation). Timber in storage for later processing at a sawmill …   Wikipedia

• Watermill — This article is about a type of structure. For other locational uses see Milldam . For details of the technologies, see Water wheel and Mill machinery . A watermill is a structure that uses a water wheel or turbine to drive a mechanical process… …   Wikipedia

• Metalworking — Machining a bar of metal on a lathe. Metalworking is the process of working with metals to create individual parts, assemblies, or large scale structures. The term covers a wide range of work from large ships and bridges to precise engine parts… …   Wikipedia

• Numerical control — CNC redirects here. For other uses, see CNC (disambiguation). A CNC Turning Center …   Wikipedia

• Brunel, Sir Marc Isambard — ▪ French British engineer born April 25, 1769, Hacqueville, France died Dec. 12, 1849, London, Eng.  French émigré engineer and inventor who solved the historic problem of underwater tunneling (tunnels and underground excavations).       In 1793 …   Universalium

• technology, history of — Introduction       the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …   Universalium

• Contents of the Voyager Golden Record — A copy of the record on display at the Udvar Hazy Center in Washington Dulles International Airport The contents of the Voyager Golden Record is a collection of 116 images and a variety of natural sounds, such as those made by surf, wind, and… …   Wikipedia

• Metals conservation — The bronze apoxyomenos, ,dated between 1st and 2nd century BC,found and recovered from Adriatic sea near small island Vele Oryule,near island Loshiny, example of archaeological metals conservation, Croatia Metals conservation, or more precisely… …   Wikipedia