StolenTech maybe?
[FV] ... StolenTechWhenReversed=10
[XFV]:FV StolenTechIndex=10 Prerequisite=FACTORY
Or a string StolenTechIndex or something like that.
StolenTech maybe?
[FV] eversed= 10
...
StolenTechWhenR
[XFV]:FV FACTORY
StolenTechIndex=10
Prerequisite=
Or a string StolenTechIndex or something like that.