1. added / fixed substance=gas

    Closed
    #84218497 0 5 0 0

  2. added layer=-2 and location=underground

    Closed
    #84218299 0 1 0 0

  3. added layer=-2 and location=underground

    Closed
    #84218210 0 8 0 0

  4. added location=underground

    Closed
    #84218169 0 13 0 0

  5. added gas pipeline elements

    Closed
    #84217986 7 0 0 0

  6. added layer=-x

    Closed
    #84217829 0 11 0 0

  7. added gas pipeline elements

    Closed
    #84217524 0 1 0 0

  8. added gas pipeline elements

    Closed
    #84106143 29 5 0 0

  9. added gas pipeline elements

    Closed
    #84105929 33 1 0 0

  10. added gas pipeline elements

    Closed
    #84105848 9 1 0 0

  11. added gas pipeline elements

    Closed
    #84105802 1 1 0 0

  12. added gas pipeline elements

    Closed
    #84105764 40 1 0 0

  13. added gas pipeline elements

    Closed
    #84105715 0 1 0 0

  14. added gas pipeline elements

    Closed
    #84105629 5 0 0 0

  15. added gas pipeline elements

    Closed
    #84105617 0 1 0 0

  16. added gas pipeline elements

    Closed
    #84105596 0 1 0 0

  17. added gas pipeline elements

    Closed
    #84105547 0 1 0 0

  18. added gas pipeline elements

    Closed
    #84105529 0 2 0 0

  19. added gas pipeline elements

    Closed
    #84105509 0 2 0 0

  20. added gas pipeline elements

    Closed
    #84105483 0 2 0 0