diff --git a/external/lab-equipment/utilization-of-autoclaves/utilization-of-autoclaves.md b/external/lab-equipment/autoclaves/autoclaves.md
similarity index 98%
rename from external/lab-equipment/utilization-of-autoclaves/utilization-of-autoclaves.md
rename to external/lab-equipment/autoclaves/autoclaves.md
index 3f1668a3e999c5a9e90b9a8f6f1923e924028fe5..91d8980dd8fc62f976ed5d9e3210e5729815df3a 100644
--- a/external/lab-equipment/utilization-of-autoclaves/utilization-of-autoclaves.md
+++ b/external/lab-equipment/autoclaves/autoclaves.md
@@ -1,7 +1,7 @@
 ---
 layout: page
-permalink: /external/lab-equipment/utilization-of-autoclaves/
-shortcut: lab:utilization-of-autoclaves
+permalink: /external/lab-equipment/autoclaves/
+shortcut: lab:autoclaves
 redirect_from:
   - /cards/lab-equipment:utilization-of-autoclaves
   - /external/cards/lab-equipment:utilization-of-autoclaves
@@ -9,6 +9,13 @@ redirect_from:
   - /external/external/lab-equipment/utilization-of-autoclaves/
   - /cards/lab:utilization-of-autoclaves
   - /external/cards/lab:utilization-of-autoclaves
+  - /external/lab-equipment/utilization-of-autoclaves/
+  - /cards/lab-equipment:autoclaves
+  - /external/cards/lab-equipmentautoclaves
+  - /lab/autoclaves
+  - /external/external/lab-equipment/autoclaves/
+  - /cards/lab:autoclaves
+  - /external/cards/lab:autoclaves
 ---
 
 # Autoclaves: utilization
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img1.png b/external/lab-equipment/autoclaves/img/img1.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img1.png
rename to external/lab-equipment/autoclaves/img/img1.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img10.png b/external/lab-equipment/autoclaves/img/img10.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img10.png
rename to external/lab-equipment/autoclaves/img/img10.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img11.png b/external/lab-equipment/autoclaves/img/img11.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img11.png
rename to external/lab-equipment/autoclaves/img/img11.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img12.png b/external/lab-equipment/autoclaves/img/img12.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img12.png
rename to external/lab-equipment/autoclaves/img/img12.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img13.png b/external/lab-equipment/autoclaves/img/img13.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img13.png
rename to external/lab-equipment/autoclaves/img/img13.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img14.png b/external/lab-equipment/autoclaves/img/img14.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img14.png
rename to external/lab-equipment/autoclaves/img/img14.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img15.png b/external/lab-equipment/autoclaves/img/img15.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img15.png
rename to external/lab-equipment/autoclaves/img/img15.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img16.png b/external/lab-equipment/autoclaves/img/img16.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img16.png
rename to external/lab-equipment/autoclaves/img/img16.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img17.png b/external/lab-equipment/autoclaves/img/img17.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img17.png
rename to external/lab-equipment/autoclaves/img/img17.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img18.png b/external/lab-equipment/autoclaves/img/img18.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img18.png
rename to external/lab-equipment/autoclaves/img/img18.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img19.png b/external/lab-equipment/autoclaves/img/img19.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img19.png
rename to external/lab-equipment/autoclaves/img/img19.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img2.png b/external/lab-equipment/autoclaves/img/img2.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img2.png
rename to external/lab-equipment/autoclaves/img/img2.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img20.png b/external/lab-equipment/autoclaves/img/img20.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img20.png
rename to external/lab-equipment/autoclaves/img/img20.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img21.png b/external/lab-equipment/autoclaves/img/img21.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img21.png
rename to external/lab-equipment/autoclaves/img/img21.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img22.png b/external/lab-equipment/autoclaves/img/img22.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img22.png
rename to external/lab-equipment/autoclaves/img/img22.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img23.png b/external/lab-equipment/autoclaves/img/img23.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img23.png
rename to external/lab-equipment/autoclaves/img/img23.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img24.png b/external/lab-equipment/autoclaves/img/img24.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img24.png
rename to external/lab-equipment/autoclaves/img/img24.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img25.png b/external/lab-equipment/autoclaves/img/img25.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img25.png
rename to external/lab-equipment/autoclaves/img/img25.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img3.png b/external/lab-equipment/autoclaves/img/img3.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img3.png
rename to external/lab-equipment/autoclaves/img/img3.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img4.png b/external/lab-equipment/autoclaves/img/img4.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img4.png
rename to external/lab-equipment/autoclaves/img/img4.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img6.png b/external/lab-equipment/autoclaves/img/img6.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img6.png
rename to external/lab-equipment/autoclaves/img/img6.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img7.png b/external/lab-equipment/autoclaves/img/img7.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img7.png
rename to external/lab-equipment/autoclaves/img/img7.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img8.png b/external/lab-equipment/autoclaves/img/img8.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img8.png
rename to external/lab-equipment/autoclaves/img/img8.png
diff --git a/external/lab-equipment/utilization-of-autoclaves/img/img9.png b/external/lab-equipment/autoclaves/img/img9.png
similarity index 100%
rename from external/lab-equipment/utilization-of-autoclaves/img/img9.png
rename to external/lab-equipment/autoclaves/img/img9.png
diff --git a/external/lab-equipment/utilization-of-balances/utilization-of-balances.md b/external/lab-equipment/balances/balances.md
similarity index 92%
rename from external/lab-equipment/utilization-of-balances/utilization-of-balances.md
rename to external/lab-equipment/balances/balances.md
index 9fe95d34dc5b93419bc9211a7a07c0c215a7ad11..38522f5e5192afe742347e2703f4c28617ade164 100644
--- a/external/lab-equipment/utilization-of-balances/utilization-of-balances.md
+++ b/external/lab-equipment/balances/balances.md
@@ -1,7 +1,7 @@
 ---
 layout: page
-permalink: /external/lab-equipment/utilization-of-balances/
-shortcut: lab:utilization-of-balances
+permalink: /external/lab-equipment/balances/
+shortcut: lab:balances
 redirect_from:
   - /cards/lab-equipment:utilization-of-balances
   - /external/cards/lab-equipment:utilization-of-balances
@@ -9,6 +9,12 @@ redirect_from:
   - /external/external/lab-equipment/utilization-of-balances/
   - /cards/lab:utilization-of-balances
   - /external/cards/lab:utilization-of-balances
+  - /cards/lab-equipment:balances
+  - /external/cards/lab-equipment:balances
+  - /lab/balances
+  - /external/external/lab-equipment/balances/
+  - /cards/lab:balances
+  - /external/cards/lab:balances
 ---
 
 # Balances: utilization and maintenance
diff --git a/external/lab-equipment/utilization-of-balances/img/Crown.jpg b/external/lab-equipment/balances/img/Crown.jpg
similarity index 100%
rename from external/lab-equipment/utilization-of-balances/img/Crown.jpg
rename to external/lab-equipment/balances/img/Crown.jpg
diff --git a/external/lab-equipment/utilization-of-balances/img/Ergo-Clip.jpg b/external/lab-equipment/balances/img/Ergo-Clip.jpg
similarity index 100%
rename from external/lab-equipment/utilization-of-balances/img/Ergo-Clip.jpg
rename to external/lab-equipment/balances/img/Ergo-Clip.jpg
diff --git a/external/lab-equipment/utilization-of-balances/img/Ergo-Clip_2.jpg b/external/lab-equipment/balances/img/Ergo-Clip_2.jpg
similarity index 100%
rename from external/lab-equipment/utilization-of-balances/img/Ergo-Clip_2.jpg
rename to external/lab-equipment/balances/img/Ergo-Clip_2.jpg
diff --git a/external/lab-equipment/utilization-of-balances/img/XPE205DR.jpg b/external/lab-equipment/balances/img/XPE205DR.jpg
similarity index 100%
rename from external/lab-equipment/utilization-of-balances/img/XPE205DR.jpg
rename to external/lab-equipment/balances/img/XPE205DR.jpg
diff --git a/external/lab-equipment/utilization-of-balances/img/XPE205DR_2.jpg b/external/lab-equipment/balances/img/XPE205DR_2.jpg
similarity index 100%
rename from external/lab-equipment/utilization-of-balances/img/XPE205DR_2.jpg
rename to external/lab-equipment/balances/img/XPE205DR_2.jpg
diff --git a/external/lab-equipment/utilization-of-balances/img/XS4002S.jpg b/external/lab-equipment/balances/img/XS4002S.jpg
similarity index 100%
rename from external/lab-equipment/utilization-of-balances/img/XS4002S.jpg
rename to external/lab-equipment/balances/img/XS4002S.jpg
diff --git a/external/lab-equipment/maintenance_of_cold_traps/maintenance_of_cold_traps.md b/external/lab-equipment/cold-traps/coldtraps.md
similarity index 90%
rename from external/lab-equipment/maintenance_of_cold_traps/maintenance_of_cold_traps.md
rename to external/lab-equipment/cold-traps/coldtraps.md
index de6b8acc072229bccdbd3b73e2935797f8e1f4af..46271b9422d5754d29339e1ca507eb29438baaae 100644
--- a/external/lab-equipment/maintenance_of_cold_traps/maintenance_of_cold_traps.md
+++ b/external/lab-equipment/cold-traps/coldtraps.md
@@ -1,7 +1,7 @@
 ---
 layout: page
-permalink: /external/lab-equipment/maintenance_of_cold_traps/
-shortcut: lab:maintenance_of_cold_traps
+permalink: /external/lab-equipment/cold-traps
+shortcut: lab:cold-traps
 redirect_from:
   - /cards/lab-equipment:maintenance_of_cold_traps
   - /external/cards/lab-equipment:maintenance_of_cold_traps
@@ -9,6 +9,13 @@ redirect_from:
   - /external/external/lab-equipment/maintenance_of_cold_traps/
   - /cards/lab:maintenance_of_cold_traps
   - /external/cards/lab:maintenance_of_cold_traps
+  - /external/lab-equipment/maintenance_of_cold_traps/
+  - /cards/lab-equipment:cold-traps
+  - /external/cards/lab-equipment:cold-traps
+  - /lab/cold-traps
+  - /external/external/lab-equipment/cold-traps/
+  - /cards/lab:cold-traps
+  - /external/cards/lab:cold-traps
 ---
 
 # Cold traps: maintenance
diff --git a/external/lab-equipment/maintenance_of_cold_traps/img/cold-trap_img_1.png b/external/lab-equipment/cold-traps/img/cold-trap_img_1.png
similarity index 100%
rename from external/lab-equipment/maintenance_of_cold_traps/img/cold-trap_img_1.png
rename to external/lab-equipment/cold-traps/img/cold-trap_img_1.png
diff --git a/external/lab-equipment/maintenance_of_cold_traps/img/cold-trap_img_2.png b/external/lab-equipment/cold-traps/img/cold-trap_img_2.png
similarity index 100%
rename from external/lab-equipment/maintenance_of_cold_traps/img/cold-trap_img_2.png
rename to external/lab-equipment/cold-traps/img/cold-trap_img_2.png
diff --git a/external/lab-equipment/maintenance_of_cold_traps/img/cold-trap_img_3.png b/external/lab-equipment/cold-traps/img/cold-trap_img_3.png
similarity index 100%
rename from external/lab-equipment/maintenance_of_cold_traps/img/cold-trap_img_3.png
rename to external/lab-equipment/cold-traps/img/cold-trap_img_3.png
diff --git a/external/lab-equipment/ultra-freezers/ultra-freezers.md b/external/lab-equipment/freezers-80/freezers-80.md
similarity index 95%
rename from external/lab-equipment/ultra-freezers/ultra-freezers.md
rename to external/lab-equipment/freezers-80/freezers-80.md
index 84fa74f19e63a00b4d3a559950daea99a95153a9..b20934737ed2ba43485e11b26fdbd58000324159 100644
--- a/external/lab-equipment/ultra-freezers/ultra-freezers.md
+++ b/external/lab-equipment/freezers-80/freezers-80.md
@@ -1,7 +1,7 @@
 ---
 layout: page
-permalink: /external/lab-equipment/ultra-freezers/
-shortcut: lab:ultra-freezers
+permalink: /external/lab-equipment/freezers-80/
+shortcut: lab:freezers-80
 redirect_from:
   - /cards/lab-equipment:ultra-freezers
   - /external/cards/lab-equipment:ultra-freezers
@@ -9,6 +9,13 @@ redirect_from:
   - /external/external/lab-equipment/ultra-freezers/
   - /cards/lab:ultra-freezers
   - /external/cards/lab:ultra-freezers
+  - /external/lab-equipment/ultra-freezers/
+  - /cards/lab-equipment:freezers-80
+  - /external/cards/lab-equipment:freezers-80
+  - /lab/freezers-80
+  - /external/external/lab-equipment/freezers-80/
+  - /cards/lab:freezers-80
+  - /external/cards/lab:freezers-80
 ---
 
 # -80°C freezers: maintenance
diff --git a/external/lab-equipment/ultra-freezers/img/img10.png b/external/lab-equipment/freezers-80/img/img10.png
similarity index 100%
rename from external/lab-equipment/ultra-freezers/img/img10.png
rename to external/lab-equipment/freezers-80/img/img10.png
diff --git a/external/lab-equipment/ultra-freezers/img/img11.png b/external/lab-equipment/freezers-80/img/img11.png
similarity index 100%
rename from external/lab-equipment/ultra-freezers/img/img11.png
rename to external/lab-equipment/freezers-80/img/img11.png
diff --git a/external/lab-equipment/ultra-freezers/img/img12.png b/external/lab-equipment/freezers-80/img/img12.png
similarity index 100%
rename from external/lab-equipment/ultra-freezers/img/img12.png
rename to external/lab-equipment/freezers-80/img/img12.png
diff --git a/external/lab-equipment/ultra-freezers/img/img13.png b/external/lab-equipment/freezers-80/img/img13.png
similarity index 100%
rename from external/lab-equipment/ultra-freezers/img/img13.png
rename to external/lab-equipment/freezers-80/img/img13.png
diff --git a/external/lab-equipment/ultra-freezers/img/img14.png b/external/lab-equipment/freezers-80/img/img14.png
similarity index 100%
rename from external/lab-equipment/ultra-freezers/img/img14.png
rename to external/lab-equipment/freezers-80/img/img14.png
diff --git a/external/lab-equipment/ultra-freezers/img/img15.png b/external/lab-equipment/freezers-80/img/img15.png
similarity index 100%
rename from external/lab-equipment/ultra-freezers/img/img15.png
rename to external/lab-equipment/freezers-80/img/img15.png
diff --git a/external/lab-equipment/utilization-of-bsc/utilization-of-bsc.md b/external/lab-equipment/utilization-of-bsc/biosafety-cabinets.md
similarity index 93%
rename from external/lab-equipment/utilization-of-bsc/utilization-of-bsc.md
rename to external/lab-equipment/utilization-of-bsc/biosafety-cabinets.md
index 8f09a70b41738677af2971ae8e229c62fb58232b..675dad19553e170cddf1e505a52745c7ee67e3d0 100644
--- a/external/lab-equipment/utilization-of-bsc/utilization-of-bsc.md
+++ b/external/lab-equipment/utilization-of-bsc/biosafety-cabinets.md
@@ -1,7 +1,7 @@
 ---
 layout: page
-permalink: /external/lab-equipment/utilization-of-bsc/
-shortcut: lab:utilization-of-bsc
+permalink: /external/lab-equipment/biosafety-cabinets/
+shortcut: lab:biosafety-cabinets
 redirect_from:
   - /cards/lab-equipment:utilization-of-bsc
   - /external/cards/lab-equipment:utilization-of-bsc
@@ -9,6 +9,13 @@ redirect_from:
   - /external/external/lab-equipment/utilization-of-bsc/
   - /cards/lab:utilization-of-bsc
   - /external/cards/lab:utilization-of-bsc
+  - /external/lab-equipment/biosafety-cabinets/
+  - /cards/lab-equipment:biosafety-cabinets
+  - /external/cards/lab-equipment:biosafety-cabinets
+  - /lab/biosafety-cabinets
+  - /external/external/lab-equipment/biosafety-cabinets/
+  - /cards/lab:biosafety-cabinets
+  - /external/cards/lab:biosafety-cabinets
 ---
  
 # Biosafety Cabinets: good practices