mechanical cooling bed
41Joint (geology) — Joint sets on a bedding plane in flagstones, Caithness, Scotland …
42Behavior of nuclear fuel during a reactor accident — This page is devoted to a discussion of how uranium dioxide nuclear fuel behaves during both normal nuclear reactor operation and under reactor accident conditions such as overheating. Work in this area is often very expensive to conduct, and so… …
43cardiovascular disease — Introduction any of the diseases, whether congenital or acquired, of the heart and blood vessels (blood vessel). Among the most important are atherosclerosis, rheumatic heart disease, and vascular inflammation. Cardiovascular diseases are a …
44Air well (condenser) — High mass air well of Belgian engineer Achile Knapen in Trans en Provence …
45Lathe — A lathe (pronEng|ˈleɪð) is a machine tool which spins a block of material to perform various operations such as cutting, sanding, knurling, drilling, or deformation with tools that are applied to the workpiece to create an object which has… …
46Drilling 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… …
47Sugarcane — Taxobox name = Sugarcane image width = 250px image caption = Cut sugar cane regnum = Plantae divisio = Magnoliophyta classis = Liliopsida ordo = Poales familia = Poaceae genus = Saccharum genus authority = L. subdivision ranks = Species… …
48DBAG Class 128 — AEG/Adtranz/Bombardier 12X 128 001 in UNICEF special livery in 1996. Power type Electric Builder AEG Schienenfahrzeuge Serial number …
49Glossary of firefighting equipment — Note: This list is incomplete. You can help Wikipedia by [http://en.wikipedia.org/w/index.php?title=Glossary of firefighting equipment action=edit adding to it] . 0 9 * 1 3/4 inch hose: see attack hose * 2 1/2 inch hose: see attack hose , supply… …
50rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …
