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I have to do some research on a crane and technology itself (please help me)?

ok well i had to do a huge packet and define all these words but i couldent find 29 out of 300 so can you please help me with a defnition of what these mean i will give 10 points to the right answer and i will also ask 10 dumb question in polls and serveys so thats a totall of 110 points plus 2 point for answering them so that 132 points and i promise i will do it so please dont miss out define this words for me please.struturestrainstress(five stresses)sheartensiontorsioncompressionbendingdesign flawsafety factorelasticityelastic limitneautral axisI-Beamtruss(types of loads)Live loadDeadloadArchsuspensionbeamcable stayedcolumn bucklingmechanical advantagegearsgear ratioblock tacklepulleys

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