slag hole
21Building insulation materials — A selection of insulation materials can aid in building insulation. All of these are based on standard principles of thermal insulation. Materials used to reduce heat transfer by conduction, radiation or convection are employed in varying… …
22Snarl (Transformers) — Snarl is the name of several different fictional characters in the various Transformers universes.Transformers: Generation 1Transformers character name = Snarl caption = Snarl Dreamwave Art affiliation = Autobot subgroup = Dinobots Action Masters …
23ABC Warriors — Superteambox omagesize= caption=ABC Warriors trade paperback cover by Mike McMahon; 2000 AD and ABC Warriors copyright Rebellion A/S 2005 team name=ABC Warriors publisher=IPC Media, Fleetway, Rebellion Developments debut= 2000 AD prog 119 (1979)… …
24Cheddar Complex — Site of Special Scientific Interest …
25Planet killer — In science fiction, a planet killer (or some variation on that meaning) is a object capable of destroying an entire planet or render it uninhabitable. [ [http://www.stardestroyer.net/Empire/Essays/Planet Killers.html stardestroyer.net: Planet… …
26Shaped charge — Sectioned high explosive anti tank round with the inner shaped charge visible …
27Bunghole — Foam on the bunghole of a barrel in a brewery. (1) A Bung(e)hole ( e is optional) is an access point that can be resealed to gain entry into a vessel. Historically, it refers to a hole bored in a liquid tight barrel to remove contents. The hole… …
28Mount Cayley — The Mount Cayley volcanic complex in August 13, 2005. Summits left to right are Pyroclastic Peak and Mount Cayley. Elevation 2,377 m (7,799 ft) …
29Mining in the Upper Harz — The headframe of the Emperor William Shaft in Clausthal is one of the oldest surviving winding towers in Germany …
30coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …
