You need to place them in a layer that you can turn off.
I have 2 layers for section lines - 'section lines - visible' and 'section lines - hidden'.
One always shows and the other is always hidden (unless I am working with it).
Barry.
One of the forum moderators.
Versions 6.5 to 27
Dell XPS- i7-6700 @ 3.4Ghz, 16GB ram, GeForce GTX 960 (2GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11