The next functional unit are the characteristic hydraulic lines on Side 4. Here is an unorthodox view from below.
Hydraulic lines
The Twist. The hydraulic lines first run parallel to the LOX lines at Side 3 up to Level 30, where they then take a 90° turn to Side 4 ...
Hydraulic lines
... as also visible here.
Hydraulic lines
Some things only become clear to you in 3D - for example, why the top horizontal bar of the hydraulic lines support rack is a little wider in every segment than the others. The support frame has to clear the diagonal column located immediately behind in this section.