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The first refinement in crankcase ventilation was the road draught tube. This is a pipe running from the crankcase (or the valve cover on an overhead valve engine) down to a downwards-facing open end located in the vehicle's slipstream. When the vehicle is moving, airflow across the open end of the tube creates suction (a "draught" or draft ...
The vent field is named in commemoration of geochemical oceanographer Karen Von Damm, who died in 2008. [ 1 ] Von Damm is situated a depth of approximately 2,300 metres (7,500 ft) below sea level, situating it within the Bathyal zone with the majority of other hydrothermal vent fields. [ 2 ]
Chipping Sodbury Tunnel ventilation shaft Swan St. ventilation shaft on the Burnley Tunnel Ventilation shafts of the Velser tunnel, the Netherlands. In subterranean civil engineering, ventilation shafts, also known as airshafts or vent shafts, are vertical passages used in mines and tunnels to move fresh air underground, and to remove stale air.
The Lost City vent field shares a number of characteristics with the Prony Bay vent field near New Caledonia in the Pacific Ocean. Both are locations of moderate temperature which produce abundant hydrogen gas and methane. Prony Bay, however, is significantly shallower (less than 50 metres (160 ft)) than Lost City (around 800 metres (2,600 ft)).
Millions of low-wage earners are getting a raise in 2025 as 21 states are slated to hike their minimum pay starting Jan. 1. State laws that index the minimum wage to inflation are behind 13 of the ...
As these need to operate in any orientation, they use a different mechanism rather than a float. The hygroscopic vent system uses hygroscopic cellulose fibre discs. [7] These are small discs of material that expand when wet and shrink if warm and dry. A dry valve acts as an air vent until a dribble of water passes through it and swells the ...
Researchers found that people worldwide live 9.6 years longer than they are healthy — and in the U.S. the gap is more than 12 years.
YouTube Music is a music streaming service developed by the American video platform YouTube, a subsidiary of Google. The service is designed with a user interface that allows users to explore songs and music videos on YouTube -based genres, playlists, and recommendations.