I don't think those steam achievements are working for anyone, specifically the trading/ore ones. You can see on steam under global achievement stats that 0% have completed them while the rarest ones have at least 0.2% of people completed.

Google airmech
Its an indie game still in beta and has a really good looking site with losts of graphics and a storyline.

how do u get volkov in the first place?
and what bout rama and jenna?
plz help