safe working
51British absolute block signalling — The principle of the British absolute block system of railway signalling is to facilitate the safe operation of a railway by preventing more than one train from occupying a defined section of route at the same time. This system is used on double… …
52tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
53Aerial work platform — A tracked AWP at a building site. An aerial work platform, also known as an aerial device or elevating work platform, is a mechanical device used to provide temporary access for people or equipment to inaccessible areas, usually at height. There… …
54Otto von Bismarck — Not to be confused with Otto Christian Archibald von Bismarck. Otto von Bismarck Otto von Bismarck in August 1890 1st Chancellor of the German Empire …
55United States Pentagon Police — Patch of the Pentagon Police …
56Suez Canal Container Terminal — Infobox Company company name = Suez Canal Container Terminal SCCT company company type = Private foundation = 2000 location = Port Said, Egypt key people = Jens Floe (CEO) Kim Holtermand (COO) industry = Transport, Terminals homepage = http://www …
57Mine exploration — This article is about visiting mines. For searching for minerals, see Mineral exploration. Mine exploration is a hobby in which people visit abandoned mines, quarries, and sometimes operational mines. Enthusiasts usually engage in such activities …
58Token (railway signalling) — A token being offered by a signalman on the Keighley and Worth Valley Railway …
59Electrostatic sensitive device — An electrostatic sensitive device (often abbreviated ESD) is any component (primarily electrical) which can be damaged by common static charges which build up on people, tools, and other non conductors or semiconductors.ESD commonly also stands… …
60Canadian Centre for Occupational Health and Safety — The Canadian Centre for Occupational Health and Safety (CCOHS) is a Crown corporation owned by the Government of Canada.CCOHS functions as the primary national agency in Canada for the advancement of safe and healthy workplaces and preventing… …
