high strength lightweight structure
41Wood — Wooden redirects here. For other uses, see Wooden (disambiguation). Heartwood redirects here. For other uses, see Heartwood (disambiguation). This article is about the substance. For small forests, see woodland. For wood as a commodity, see… …
42Aluminium alloy — Aluminium alloys are alloys of aluminium, often with copper, zinc, manganese, silicon, or magnesium. They are much lighter and more corrosion resistant than plain carbon steel, but not quite as corrosion resistant as pure aluminium. Bare… …
43Foam — This article is about the substance formed from trapped gas bubbles. For other uses, see Foam (disambiguation). Soap foam bubbles Contents 1 Definition …
44Staggered truss system — The Staggered truss system is a type of structural steel framing used in high rise buildings. The system consists of a series of story high trusses spanning the total width between two rows of exterior columns and arranged in a staggered pattern… …
45Perlan Project — The Perlan Project is a current research project to fly a sailplane to an altitude of 100,000 feet (30,480 meters). Infobox Cloud name = Polar Stratospheric Cloud Formed by standing mountain wave in Scandinavia image location = Polar… …
46Cermet — A cermet is a composite material composed of ceramic (cer) and metallic (met) materials. A cermet is ideally designed to have the optimal properties of both a ceramic, such as high temperature resistance and hardness, and those of a metal, such… …
47List of nanotechnology applications — Part of a series of articles on Nanotechnology …
48Medium Girder Bridge — A 16 Bay with LRS Medium Girder Bridge across the Kazer River, Mosul, Iraq, 2003. The Medium Girder Bridge (MGB) is a lightweight, man portable bridge and can be assembled without help from heavy equipment. In addition, it is also a deck type,… …
49refractory — refractorily, adv. refractoriness, n. /ri frak teuh ree/, adj., n., pl. refractories. adj. 1. hard or impossible to manage; stubbornly disobedient: a refractory child. 2. resisting ordinary methods of treatment. 3. difficult to fuse, reduce, or… …
50Rigid Panels — Rigid panel insulation is made from fibrous materials (fiberglass, rock and slag wool) or from plastic foam. They are sometimes sold in sections designed to fit tightly in standard wall cavities. When sold this way, they are called batts , and… …
