pit water
61Wheel pit — Wheel Wheel (hw[=e]l), n. [OE. wheel, hweol, AS. hwe[ o]l, hweogul, hweowol; akin to D. wiel, Icel. hv[=e]l, Gr. ky klos, Skr. cakra; cf. Icel. hj[=o]l, Dan. hiul, Sw. hjul. [root]218. Cf. {Cycle}, {Cyclopedia}.] [1913 Webster] 1. A circular… …
62Borrow pit — A borrow pit, also known as a sand box, is a term used in construction and civil engineering. It describes an area where material (usually soil, gravel or sand) has been dug for use at another location. [… …
63Clay pit — A clay pit is a quarry or mine for the extraction of clay, which is generally used for manufacturing pottery, bricks or Portland cement. The brickyard or brickworks is often located alongside the clay pit to reduce the transport costs of the raw… …
64Portable water purification — devices – also known as point of use (POU) water treatment systems and field water disinfection techniques – are self contained units that can be used by recreational enthusiasts, military personnel, survivalists, and others who must… …
65Stone pit — Stone Stone, n. [OE. ston, stan, AS. st[=a]n; akin to OS. & OFries. st[=e]n, D. steen, G. stein, Icel. steinn, Sw. sten, Dan. steen, Goth. stains, Russ. stiena a wall, Gr. ?, ?, a pebble. [root]167. Cf. {Steen}.] 1. Concreted earthy or mineral… …
66Micro credit for water supply and sanitation — is an innovative application of micro credit to provide loans to small enterprises and households in order to increase access to an improved water source and sanitation in developing countries. While most investments in water supply and… …
67Erosion corrosion of copper water tubes — Erosion corrosion, also known as impingement damage, is the combined effect of corrosion and erosion caused by rapid flowing turbulent water. It is probably the second most common cause of copper tube failures behind Type 1 pitting which is also… …
68Mount Olympus Water & Theme Park — This article is about the Water Theme Park. For other uses, see Mount Olympus (disambiguation). Mt. Olympus Water Theme Park Mt. Olympus entrance Location Wisconsin Dells …
69Upper Harz Water Tunnels — Exit portal of the Lower Hasenbach Tunnel Slag brick walls in the Franz August Tunnel …
70Morris water navigation task — Animal testing Main articles Animal testing Alternatives to animal testing Testing on …
