Oolite Bulletins

Thanks... While everyone's in question answering moods I have a few more :P .... -How do fuel scoops work? -Are docking computers worth the investment? (I've got about 3000Cr. right now so they'd take a sizeable bite out of my funds along with the maintenance.. -How would I go about changing the col...

So I was playing Oolite, just ran a load of computers from a rich industrial to a poor agricultural and almost tripled my credits (hurray). Anyway, I just docked and sold my cargo and looked at the buy equipment screen (3) and I see an orange option.. "Maintenance Overhaul"..... What exact...