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AND TAKE-OFF AND LANDING — VERTICAL
In June, 1961, AGARD released requirements NBMR-3, to tactical fighter-bomber and scout, intended to replace in service aircraft G. 91R, F-104G and Mirage III. It was assumed that the...
METAL — WOOD
What does a person do when solid food is "too hard"? Goes on soft! Here also it is necessary to do with an old or broken drill bit for metal. Sharpen its end, as shown in the figure, and...
