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The Central Teacher Eligibility Test (CTET) was established when, in accordance with the provisions of sub-section (1) of Section 23 of the RTE Act, the National Council for Teacher Education (NCTE) received notifications dated 23 August 2010 and 29 July 2011 stipulating minimum qualifications for eligibility to teach Classes I to VIII.
Early traps mimicked the form of cattle, as tsetse are also attracted to large dark colors like the hides of cows and buffaloes. Some scientists put forward the idea that zebra have stripes, not as a camouflage in long grass, but because the black and white bands tend to confuse tsetse and prevent attack.
Environmental stress screening (ESS) refers to the process of exposing a newly manufactured or repaired product or component (typically electronic) to stresses such as thermal cycling and vibration in order to force latent defects to manifest themselves by permanent or catastrophic failure during the screening process.