     abstract-029 -> fuel cell!
USED abstract-045 -> filterpump?
     abstract-050 -> vent (for filters/pumps)!
     abstract-072 -> thruster!
     airtight-hatch -> closed airlock!
     airtight-hatch-1 -> open airlock!
     ammo-box -> ammo?
USED chemical-tank -> tanks!
     circuitry -> computer
     convergence-target -> ?
     cryo-chamber -> clone bay!
     energy-tank -> ?
     expanded-rays -> antimatter reactor!
     hospital-cross -> medical cabinet?
     metal-scales -> ?
     paper-tray -> ?
USED person -> you!
USED plain-square -> flooring / internal space!
     power-generator -> fabricator!
     targeted -> ?
     tinker -> repair needed icon ?
     triangle-target -> ?
     wooden-crate -> cargo space? (or actual cargo?)
