Selling the following only in bulk, u bring ESI, everything must go (possibly :P) :
10600 mining,
7740 extraction,
7000 prospecting,
6800 geology,
5450 miner,
5430 drilling,
5380 mineral sense,
5150 drilling expertise,
4780 calypso ground assesment,
11800 laser weapony tech,
8900 marksmanship...