thin-wall pipe
81Ocean thermal energy conversion — Temperature differences between the surface and 1000m depth in the oceans Ocean Thermal Energy Conversion (OTEC) uses the difference between cooler deep and warmer shallow or surface ocean waters to run a heat engine and produce useful work,… …
82Tobacco smoking — Part of a series on Smoking …
83Drilling fluid — This article is about fluids used when drilling a well. For fluids used with drill bits during metal working, see cutting fluid. Driller pouring a foaming agent down the rod string on a drilling rig In geotechnical engineering, drilling fluid is… …
84pottery — /pot euh ree/, n., pl. potteries. 1. ceramic ware, esp. earthenware and stoneware. 2. the art or business of a potter; ceramics. 3. a place where earthen pots or vessels are made. [1475 85; POTTER1 + Y3] * * * I One of the oldest and most… …
85United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …
86Aegean civilizations — The Bronze Age civilizations that arose and flourished с 3000–1000 BC in the region bordering the Aegean Sea. They included Crete, the Cyclades, the Greek mainland south from Thessaly, including the Peloponnese, and Macedonia, Thrace, and western …
87Nanofluidic circuitry — is a nanotechnology aiming for control of fluids in nanometer scale. Due to the effect of an electrical double layer within the fluid channel, the behavior of nanofluid is observed to be significantly different compared with its microfluidic… …
88Vacuum cleaner — Cylinder vacuum cleaner for home use. French train vacuum cleaner …
89Agricultural fencing — In agriculture, fences are used to keep animals in or out of an area. They can be made from a wide variety of materials, depending on terrain, location and animals to be confined. Most agricultural fencing averages about 1.5 metres (about 4 feet) …
90Household seismic safety — Contributions of photographs related to details of preparation are needed. Household seismic safety is an issue for areas of the world with a high risk of seismic activity, and is concerned with the following: *Appropriate securing of household… …
