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The BT tanks were "convertible tanks". This was a feature that was designed by J. Walter Christie to reduce wear of the unreliable tank tracks of the 1930s. In about thirty minutes, the crew could remove the tracks and engage a chain drive to the rearmost road wheel on each side, allowing the tank to travel at very high speeds on roads.
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Bacillus thuringiensis (or Bt) is a gram-positive, soil-dwelling bacterium, ... Into the BT Cotton protein is 'Crystal protein'. Mechanism of insecticidal action
BT Group began operating as a private corporation after the Telecommunications Act 1984. [4]During the 1990s, between the loosening of national telecom monopolies and the current (largely) liberalised market, BT Group entered into a number of alliances in order to serve its mainly, then, UK-based multi-national customers.
The four Bt brinjal varieties yielded on average 19.6 percent more than non-Bt varieties and earned growers 21.7 percent higher revenue. 83.1% of Bt brinjal growers were satisfied with the yields obtained and 80.6% were satisfied with the quality of fruit, compared to just 58.7% of non-Bt brinjal growers who were pleased with their yields. [21]
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The symbol # is known variously in English-speaking regions as the number sign, [1] hash, [2] or pound sign. [3] The symbol has historically been used for a wide range of purposes including the designation of an ordinal number and as a ligatured abbreviation for pounds avoirdupois – having been derived from the now-rare ℔ .