corrosion resistant clad
21Landslide mitigation — Landslides can be triggered by many often concomitant causes. In addition to shallow erosion or reduction of shear strength caused by seasonal rainfall, causes triggered by anthropic activities such as adding excessive weight above the slope,… …
22Russia iron — or Russian iron refers to a type of sheet iron produced in Russia during the 19th and early 20th century.cite web url = http://www.narrowgauge.iform.com.au/russian iron.html title = Russia Iron author = Kits, Jerry date = 1997 01 31 accessdate =… …
23military technology — Introduction range of weapons, equipment, structures, and vehicles used specifically for the purpose of fighting. It includes the knowledge required to construct such technology, to employ it in combat, and to repair and replenish it.… …
24telecommunications media — Introduction equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation Every… …
