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Laser marking on stainless steel A laser engraving machine A laser engraver. A laser engraving machine consists of three main parts: a laser, a controller, and a surface. [2] The laser is a drawing tool: the beam emitted from it allows the controller to trace patterns onto the surface.
The Education Engineering Department (Bengali: เฆถเฆฟเฆเงเฆทเฆพ เฆชเงเฆฐเฆเงเฆถเฆฒ เฆ เฆงเฆฟเฆฆเฆชเงเฆคเฆฐ) is a Bangladesh government department under the Ministry of Education. It is responsible for implementing government projects of education, the building and maintenance of buildings of public education institutes, and planning and ...
The district-based Boards of Intermediate and Secondary Education in Bangladesh manage the country's three-tiered education system at the primary, secondary and higher secondary level. They are responsible for conducting the examinations for the Secondary School Certificate (S.S.C), the Higher Secondary (School) Certificate (H.S.C) level public ...
An advisory board made by the director of public education department of greater Bengal was given the authority to govern the board. Dhaka Board was dissolved in September 1947 by a government order. Its name was changed to East Bengal Secondary Education Board in 1955 and it was live till 1961.
Laser scanning is the controlled deflection of laser beams, visible or invisible. [1] Scanned laser beams are used in some 3-D printers, in rapid prototyping, in machines for material processing, in laser engraving machines, in ophthalmological laser systems for the treatment of presbyopia, in confocal microscopy, in laser printers, in laser shows, in Laser TV, and in barcode scanners.
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