double barrier protection

См. также в других словарях:

• Double bottom — Single hull, Double bottom, and Double hull ship cross sections. Green lines are watertight; black structure is not watertight A double bottom is a ship hull design and construction method where the bottom of the ship has two complete layers of… …   Wikipedia

• New Caledonia Barrier Reef — Lagoons of New Caledonia: Reef Diversity and Associated Ecosystems * UNESCO World Heritage Site …   Wikipedia

• Environmental threats to the Great Barrier Reef — The Great Barrier Reef is the world s largest coral reef system,cite web|author=UNEP World Conservation Monitoring Centre |year=1980|title=Protected Areas and World Heritage Great Barrier Reef World Heritage Area|url=http://sea.unep… …   Wikipedia

• Social Protection — ▪ 2006 Introduction With medical costs skyrocketing and government programs scaled back, citizens bore more responsibility for their health care costs; irregular migration, human trafficking, and migrant smuggling posed challenges for… …   Universalium

• Passive fire protection — (PFP) is an integral component of the three components of structural fire protection and fire safety in a building. PFP attempts to contain fires or slow the spread, through use of fire resistant walls, floors, and doors (amongst other examples) …   Wikipedia

• Israeli West Bank barrier — The Israeli West Bank barrier is a barrier being constructed by Israel consisting of a network of fences with vehicle barrier trenches surrounded by an on average 60 meters wide exclusion area (90%) and up to 8 meters high concrete walls… …   Wikipedia

• Coral reef — Marine habitats Biodiversity of a coral reef Lit …   Wikipedia

• metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …   Universalium

• Herpes simplex — Herpes redirects here. For the virus that causes herpes simplex, see Herpes simplex virus. For all types of herpes viruses, see Herpesviridae. Herpes simplex Classification and external resources Herpes labialis …   Wikipedia

• Mosquito net — Ceiling hung mosquito netting. Frame hung mosquito netting …   Wikipedia

• zinc processing — Introduction       preparation of the ore for use in various products.       Zinc (Zn) is a metallic element of hexagonal close packed (hcp) crystal structure and a density of 7.13 grams per cubic centimetre. It has only moderate hardness and can …   Universalium