impervious to air
111conductive ceramics — Introduction advanced industrial materials that, owing to modifications in their structure, serve as electrical conductors. In addition to the well known physical properties of ceramic materials hardness, compressive strength,… …
112List of Gurren Lagann mecha — Gunmen (ガンメン, Ganmen?) are the main type of mecha used in the anime series Tengen Toppa Gurren Lagann. The name itself means face/facade (顔面 ガンメン Face Surface); unsurprisingly, the mecha themselves are centered around faces and as such are very… …
113Colossus: The Forbin Project — Theatrical release poster Directed by Joseph Sargent …
114Matilda II — Matilda tank redirects here. For the earlier Infantry Tank, see Matilda I (tank). This article is about the tank. For the person, see Matilda II of Boulogne. Infantry Tank Mark II …
115impermeable — I (New American Roget s College Thesaurus) adj. impervious, impenetrable. See defense. II (Roget s 3 Superthesaurus) (VOCABULARY WORD) a. [im PERM ee uhbul] water or air tight; impenetrable. An impermeable membrane inside the container kept… …
116Neodymium — praseodymium ← neodymium → promethium ↑ Nd ↓ U …
117Stainless steel — Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) Pearlite (88% ferrite, 12% cementite) …
118Frog — For other uses, see Frog (disambiguation). Frogs Temporal range: Triassic–present …
119Battle of the Somme — Infobox Military Conflict conflict = Somme Offensive partof =the Western Front of World War I caption = Men of the 11th Battalion, the Cheshire Regiment, near La Boisselle, July 1916 date = 1 July – 18 November 1916 place =… …
120Pallet — A pallet (IPAEng|ˈpæːlɨt) (sometimes called a skid) is a flat transport structure that supports goods in a stable fashion while being lifted by a forklift, pallet jack, or other jacking device. A pallet is the foundation of a unit load design,… …