Welcome aboard! Where are you from and what are you interested in, aviation-wise that is?
An Aircraft Mechanic only needs two tools, Duct Tape and WD40.
If it moves and it's not supposed to - use the Duct Tape.
If it doesn't move and it's supposed to - use the WD40.
Intel(R) i5 CPU 750 @ 2.67GHz, P55M-UD4, GeForce GTX960 8.00 GB RAM, Windows 7 Ultimate (32 bit & 64 bit on separate HDs)