They may require things such as plastic cut outs and glass depending if you want to be able to have a window to look into the pc. Some cases are 3D Printed although they have to be joined by screws at the end due to the fact that one whole print can take over a week and then it has to be well doesn't but looks better when sanded.
Cell dosent make sense at all, page also is completely nonsense, fourm also has nothing to do with stored data. Your awnser is C. Record
