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diff --git a/external/lab-equipment/maintenance-of-fridges/maintenance-of-fridges.md b/external/lab-equipment/maintenance-of-fridges/maintenance-of-fridges.md
index eeadf6efe8dd4ca79aaa08e9ad43b7aa243f98b2..bb99d7071bd8b38ffd2ad4e16dfe06604eddae2e 100644
--- a/external/lab-equipment/maintenance-of-fridges/maintenance-of-fridges.md
+++ b/external/lab-equipment/maintenance-of-fridges/maintenance-of-fridges.md
@@ -108,9 +108,9 @@ LIEBHERR LGPv (600 L): **no defrosting needed**
 
 For the other freezers (Liebherr LGUex and Liebherr LC), the defrosting should be performed:
 
-✔️	**Every three months** for freezers that are often opened and closed
+	**Every three months** for freezers that are often opened and closed
 
-✔️	**Every six months** for the other freezers
+	**Every six months** for the other freezers
 <div align="center">
 <img src="img/img9.png" width="600">
 </div>
@@ -184,7 +184,7 @@ Turn the cap counter clockwise about two laps. Then, let the air enter the chamb
 
 -	Open the grille by pulling it to you
 -	Take out the condenser filter and wash it with water
--	⚠️Don’t touch the condenser directly! This may cause injury by hot surface  
+-	Don’t touch the condenser directly! This may cause injury by hot surface  
 -	Replace the condenser filter and the grille
 -	Check that the filter check lamp is off
 -	Fill the maintenance form located on the door of the freezer 
@@ -223,7 +223,7 @@ This section applies to the -150°C freezer (Sanyo MDF-C2156VAN, BT1-407)
 **Once a month**, the condenser filter should be cleaned:
 -	Open the grille by pulling it to you
 -	Take out the condenser filter and wash it with water
--   ⚠️Don’t touch the condenser directly! This may cause injury by hot surface  
+-   Don’t touch the condenser directly! This may cause injury by hot surface  
 -	Replace the condenser filter and the grille
 -	Check that the filter check lamp is off
 -	Fill the maintenance form located on the door of the freezer