The filesystem is reasonably good at keeping files unfragmented, although there is a defragmentation tool available which will work on an online filesystem.
Thus, intergalactic space travel is possible in reasonably short time, because the matter in intergalactic space is less dense than in interstellar space.
There is a presumption of taxability, so taxing authorities can allow reasonably for only a 1% loss for evaporation and spillage in long-term storage tanks.
Synthetic resins evolved as restorative materials since they were insoluble, aesthetic, insensitive to dehydration, easy to manipulate and reasonably inexpensive.