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Pitch produced from petroleum may be called bitumen or asphalt, while plant-derived pitch, a resin, is known as rosin in its solid form. Tar is sometimes used interchangeably with pitch, but generally refers to a more liquid substance derived from coal production, including coal tar , or from plants, as in pine tar .
The Board is autonomous in nature. The central forum is called Punjab Boards Committee of Chairmen (PBCC) and all the BISE's in Punjab take over the Chairmanship for one year in alphabetical order. Mr. Muhammad Adnan Khan is the current chairman of the Board. The Board was established in October, 1977.
Punjab Curriculum and Textbook Board was established in 1962 as West Pakistan Textbook Board. [3] Its functions are curriculum development, implementation of educational policies of the Government, publication of textbooks and production of supplementary reading material relating to textbooks. [4]
"Tar" and "pitch" can be used interchangeably.Asphalt (naturally occurring pitch) may also be called either "mineral tar" or "mineral pitch". There is a tendency to use "tar" for more liquid substances and "pitch" for more solid (viscoelastic) substances. [2]
The FBISE was established under the FBISE Act 1975. [2] It is an autonomous body of working under the Ministry of Federal Education and Professional Training. [3] The official website of FBISE was launched on June 7, 2001, and was inaugurated by Mrs. Zobaida Jalal, the Minister for Education [4] The first-ever online result of FBISE was announced on 18 August 2001. [5]
It was founded in 1969 under a legislative act of the Government of Punjab to administer the curriculum taught in public schools in the Punjab state and conduct standardized examinations in addition to conducting administration of scholarships, and publishing of textbooks. The headquarters of the Board are located in SAS Nagar (Mohali), near ...
Board Established City Website Refs Catholic Board of Education, Pakistan: 1961 Karachi [47] Lahore [48] [49] Diocesan board of education, Pakistan 1960 Islamabad, Rawalpindi [50] [51] Presbyterian Education Board Pakistan Lahore, Punjab
Mesophase pitch can be melt spun, but because of its flow characteristics the process can be difficult. [7] The viscosity of mesophase pitch is more sensitive to temperature than other melt-spun materials. Therefore, during the creation of pitch based fibers the temperature and heat transfer rate must be carefully controlled.