building gravity drainage system
91History of technology — The history of technology is the history of the invention of tools and techniques. Background knowledge has enabled people to create new things, and conversely, many scientific endeavors have become possible through technologies which assist… …
92Gardens of Versailles — Infobox name = title = caption = Plan of the chateau of Versailles and the gardens dating from 1746, by the Abbé Delagrive, geographer of the city of Paris. headerstyle = background:#ccf; labelstyle = background:#ddf;header1 = Statistical… …
93Rail transport — Railroad and Railway both redirect here. For other uses, see Railroad (disambiguation). Rail transport is the conveyance of passengers and goods by means of wheeled vehicles specially designed to run along railways or railroads. Rail transport is …
94climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
95Engineering 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… …
96Central vacuum cleaner — The power unit of a typical central vacuum cleaner for residential use A central vacuum cleaner (also known as built in or ducted) is a type of vacuum cleaner appliance, installed into a building as a semi permanent fixture. Central vacuum… …
97Mining in the Upper Harz — The headframe of the Emperor William Shaft in Clausthal is one of the oldest surviving winding towers in Germany …
98Knossos — For the ferry, see MS Knossos. Knossos Minoan Palace Knossos (alternative spellings Knossus, Cnossus, Greek Κνωσός pronounced [knoˈsos]), also known as Labyrinth, or Knossos Palace, is the largest Bronze Age archaeological site on Crete and… …
99Mining — This article is about the extraction of geological materials from the Earth. For the municipality in Austria, see Mining, Austria. For the siege tactic, see Mining (military). For name of the Chinese emperor, see Daoguang Emperor. Simplified… …
100Tunnel — This article is about underground passages. For other uses, see Tunnel (disambiguation). Underground tunnel for heatpipes between Rigshospitalet and Amagerværket in Denmark …
