creation of the card

maintenance_of_cold_traps/maintenance_of_cold_traps.md

@@ -16,9 +16,13 @@ This maintenance is important to preserve the integrity of the glass bottles ins
 
 To ensure proper functioning of the centrivap concentrators and associated cold trap, a routine maintenance is necessary:  
 
+<div align=center>
+
 **_Personal Protective Equipment_**:  
-* Lab coat  
-* Nitrile gloves  
+Lab coat  
+Nitrile gloves
+
+</div>
 
 1.	This routine maintenance is performed by the users of the instrument.  
 
@@ -39,10 +43,14 @@ To drain, use the faucet on the left side of the cold trap.
 
 **Once a year, the refrigeration system condenser of the Cold trap should be cleaned.**  
 
+<div align=center>
+
 **_Personal Protective Equipment_**:  
-* Lab coat  
-* Nitrile gloves  
-* Safety goggles  
+Lab coat  
+Nitrile gloves  
+Safety goggles  
+
+</div> 
 
 1.	This step is performed by a maintenance officer  
 
@@ -77,4 +85,4 @@ When necessary, the acid cartridge (LIMS ID: 10608) should be exchanged
 
 * Place the old cartridge in the chemical hood for evaporation in a retention container  
 
-* 24 hours later, trash it in a blue bin UN3291
\ No newline at end of file
+* 24 hours later, trash it in a blue bin UN3291