diff --git a/content/assignments/dev-board/.DS_Store b/content/assignments/dev-board/.DS_Store
new file mode 100644
index 0000000..10f526f
Binary files /dev/null and b/content/assignments/dev-board/.DS_Store differ
diff --git a/content/assignments/dev-board/assembly.md b/content/assignments/dev-board/assembly.md
index 53fb70b..969f1fa 100644
--- a/content/assignments/dev-board/assembly.md
+++ b/content/assignments/dev-board/assembly.md
@@ -123,4 +123,15 @@ Place the connector back down, remove the heat gun, and look again at your pins
 - Double check the BOM as you place components, while you can take components off of the paste if, it can easily cause bridging.
 - Take your time on every step, this is a very delicate process.
 
+### Good housekeeping
+
+We will be sharing stations and stencils in this assignment. Once you have successfully applied solder paste to your board,
+clean your stencil and jig so the next person can start with their board right away.
+
+The stencils are very delicate, and can be rendered useless with just a small bend. In order to clean the stencil, place it flat
+on the table and gently rub the alcohol wipe across the top of the stencil, as shown. Flip the stecil and repeat the process.
+
+![](images/cleaning_stencil.png)
+
+
 [^1]: A **B**ill **O**f **M**aterials (BOM) is a document outlining the required components quantities and placements for a board.
diff --git a/content/assignments/dev-board/images/cleaning_stencil.png b/content/assignments/dev-board/images/cleaning_stencil.png
new file mode 100644
index 0000000..96383ab
Binary files /dev/null and b/content/assignments/dev-board/images/cleaning_stencil.png differ