Update textbook.en.md

5 years ago · 235f5b14d7
1 changed files with 2 additions and 7 deletions
--- a/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/10.main/textbook.en.md
+++ b/12.temporary_ins/05.coordinates-systems/30.cylindrical-coordinates/10.main/textbook.en.md
@ -1,13 +1,8 @@
 ---
 title: Cylindrical coordinates
-published: true
-routable: true
+published: false
+routable: false
 visible: false
-lessons:
-    - slug:
-      order:
-    - slug: cylindrical-coordinates-linear
-      order: 1
 ---

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