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It consists of four bodies, called bars or links, connected in a loop by four joints. Generally, the joints are configured so the links move in parallel planes, and the assembly is called a planar four-bar linkage. Spherical and spatial four-bar linkages also exist and are used in practice. [1] A pumpjack's main mechanism is a four-bar linkage
The Bars class were a group of submarines built for the Imperial Russian Navy during World War I.A total of 24 boats were built between 1914 and 1917. A number of them saw action during the First World War, and three were lost in the conflict.
Prior to 1951, the names of the qualification levels for the current Army Marksmanship Qualification Badges were known as (highest to lowest) expert, sharpshooter or first-class gunner, and marksman or second-class gunner. Also, prior to 1972, the Army Marksmanship Qualification Badges had many different types of weapon qualification clasps.
Russian submarine Bars ("Leopard" [1]) was a warship, the lead submarine of her class, built for the Imperial Russian Navy during the First World War. She was active in the Baltic and was lost there in 1917.
Casual dining comprises a market segment between fast food establishments and fine dining restaurants. Casual dining restaurants often have a full bar with separate bar staff, a full beer menu and a limited wine menu. They are frequently, but not necessarily, part of a wider chain, particularly in the United States.
An example of a HMIS III label for Diesel fuel.. The Hazardous Materials Identification System (HMIS) is a proprietary numerical hazard rating that incorporates the use of labels with color bars developed by the American Coatings Association as a compliance aid for the OSHA Hazard Communication (HazCom) Standard.
A bar association is a professional association of lawyers as generally organized in countries following the Anglo-American types of jurisprudence. [1] The word bar is derived from the old English/European custom of using a physical railing (bar) to separate the area in which court or legal profession business is done from the viewing area for the general public or students of the law.
Steel classification according to EN 10027-2.Free searchable database "European steel and alloy grades" Comparison of various steel standards Archived 2019-04-27 at the Wayback Machine; Comparison of various tool steel standards; General guide to the EN 10027 steel name and numbering systems.