Update...

Update 12.temporary_ins/80.energie-transformations-applications-impacts/20.n2/50.energy-mix/40.TD-hydroelectricity/30.hydroelectric-power-plants/50.parallel-1/cheatsheet.fr.md

12.temporary_ins/80.energie-transformations-applications-impacts/20.n2/50.energy-mix/40.TD-hydroelectricity/30.hydroelectric-power-plants/50.parallel-1/cheatsheet.fr.md

@@ -3,6 +3,9 @@ title: Les ondes
 published: true
 routable: true
 visible: false
+---
+
+<!--
 lessons:
     -
       slug: energy-mix-hydroelectricity-2
@@ -20,7 +23,7 @@ lessons:
       slug: TD4-hydroelectricity-fr_legislative-economic-aspects
       name: DÉFINITIONS-2 : TD4, aspects législatifs et économiques
       order: 3
----
+-->
 
 <!--Commandes Latex spécifiques
 $`\def\dens{\large{\varrho}\normalsize}`$