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The prism fusion range ( PFR) or fusional vergence amplitude is a clinical eye test performed by orthoptists, optometrists, and ophthalmologists to assess motor fusion, specifically the extent to which a patient can maintain binocular single vision ( BSV) in the presence of increasing vergence demands. Motor fusion is largely accounted to ...
The strength of the prism is increased until the streak of the light passes through the centre of the prism, as the strength of the prism indicates the amount of deviation present. The Maddox rod is a handheld instrument composed of red parallel plano convex cylinder lens , which refracts light rays so that a point source of light is seen as a ...
Currently there are 28 natural gas fields in Bangladesh. [1] The first gas field was discovered at Haripur, Sylhet in 1955 and the last gas field was discovered in the 2017 at Bhola. [2] Titas gas field is the largest natural gas field in Bangladesh. It was invented by the Pakistan Shell Oil Company in Brahmanbaria in the year 1962.
2006–present. Specifications. Weight. 1.9 lbs (M50) The M50 series protective mask, officially known as the Joint Service General Purpose Mask ( JSGPM or JSGPM/M50 ), is a lightweight, protective mask system consisting of the mask, a mask carrier, and additional accessories. It was adopted by the U.S. military in 2006 and is manufactured by ...
History. Bangladesh Petroleum Exploration and Production Company Limited was established in 1989 by the Government of Bangladesh through dissolving the Exploration Directorate of Petrobangla. [3] In October 2017, Bangladesh Petroleum Exploration and Production Company Limited discovered gas in Bhola, Shahbazpur Gas Field. [4]
At Ellsworth Air Force Base. The MCU-2/P is a protective mask used by the United States Air Force and United States Navy, originally designed for the US Army as the XM-30 mask. In December 1982, the U.S. Air Force took over the XM-30 mask development. In 1983, the U.S. Navy requested the first masks off the production lines since the Army mask ...
Escape breathing apparatus may be air-purifying escape respirators or self-contained atmosphere-supplying escape respirators. They may use a breathing hood, facepiece or mouthpiece and nose-clip as the user respiratory interface. Atmosphere-supplying apparatus may be rebreathers with a chemical or compressed gas oxygen supply, positive pressure ...
Wall Street widely predicts slowing demand amid greater supply will send prices lower next year, with JPMorgan analysts forecasting Brent to average $75 in 2025, sharply down from $83 in 2024.