Update file ppe.md

external/lab-hsa/ppe/ppe.md

@@ -24,7 +24,7 @@ for wearing the approriate PPE that will vary depending on the hazards present i
 
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 <img src="img/Gloves1.png" width="20%">
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   Not sure which glove to use? **Consult the chemical's Safety Data Sheet (SDS) or the [safety officer](https://service.uni.lu/sp?id=sc_cat_item&sys_id=f140d745dbe83c905c72ef3c0b96194e&sysparm_category=cca7f2c1db683c905c72ef3c0b961940) for guidance.**
 
@@ -38,7 +38,7 @@ Change both gloves between different lab levels (BSL-1 or BSL-2)
 
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 <img src="img/Gloves2.png" width="20%">
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 Do not touch the door handle or the elevator button with your gloves!
 
@@ -47,7 +47,7 @@ Exception is done for the doors marked by this sign:
 
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 <img src="img/Gloves3.png" width="20%">
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 For Microscopes, computers and keyboard: stickers on the instruments indicates if gloves are required.
 
 Important: