add PREFIX instructions to BUILDING
add PREFIX instructions to BUILDING

jarmar/Dwarf-Therapist,splintermind/Dwarf-Therapist,jarmar/Dwarf-Therapist,jarmar/Dwarf-Therapist,lethosor/Dwarf-Therapist,lethosor/Dwarf-Therapist,lethosor/Dwarf-Therapist,lethosor/Dwarf-Therapist,splintermind/Dwarf-Therapist,splintermind/Dwarf-Therapist,jarmar/Dwarf-Therapist,splintermind/Dwarf-Therapist