What i get to hit things with huge sledge hammers that is how i normally break something, or hydraulics hydraulic jacks are real good for bending shafts, i have even managed to strip the threads out of a 200 ton jack (oops).

But seriously what is the best way to start looking into getting even marginly qualifed in this field
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P.Allison fixer of big engines Mk2+Mk2a signed by God / Hacked by the Lord Aberdeen Scotland