From bbf9138464c1a122d3061d0bb9aa538106b534c2 Mon Sep 17 00:00:00 2001
From: Soraya Hezzaz <soraya.hezzaz@uni.lu>
Date: Tue, 21 Dec 2021 14:45:59 +0100
Subject: [PATCH] Update NB

---
 external/lab/maintenance-of-fridges/maintenance-of-fridges.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/external/lab/maintenance-of-fridges/maintenance-of-fridges.md b/external/lab/maintenance-of-fridges/maintenance-of-fridges.md
index 8e1dedef..f69fffd1 100644
--- a/external/lab/maintenance-of-fridges/maintenance-of-fridges.md
+++ b/external/lab/maintenance-of-fridges/maintenance-of-fridges.md
@@ -8,7 +8,7 @@ redirect_from:
 ---
 # Maintenance of fridges and freezers
 
-Routine maintenance of fridges and freezers prevents from issues and preserves integrity of samples.
+Routine maintenance of fridges and freezers prevents from issues and preserves integrity of samples. Performed regularly, it takes only a few minutes. The longer the interval between two freezer defrosting, the more difficult it will be as fresh ice is soft, while old ice becomes hard.
 
 - [How to disable a Rmoni sensor](#how-to-disable-a-rmoni-sensor)
 - [How to clean a fridge](#how-to-clean-a-fridge)
-- 
GitLab