diff --git a/docs/assignments/week04.md b/docs/assignments/week04.md
index 0e6e121b382432db9b41af543c5e297b5349a843..f57a0c6fac76d81298849e5cb02e0c61ac139568 100644
--- a/docs/assignments/week04.md
+++ b/docs/assignments/week04.md
@@ -1,19 +1,29 @@
+
 # 04 **BIOCHROMES**
 
+![studio](../images/week04/41.jpg){ width=1000}
+*Preparations*
+
+
+![fabrics](../images/week04/42.jpg){ width=1000}
+
+
+
  --- 
  **Scouring Cellulose Fabics**
 
 1. Put linen into a large pot of water.
-2. Add 5.7g(10%) of soda for 57g of linen
-3. Simmer for approximately 1hr to fully remove any wax, pectic substances, and oil. (The resulting water may look yellow brown)
+2. Add 5.7g(10%) of soda for 57g of linen.
+3. Simmer for approximately 1hr to fully remove any wax, pectic substances, and oil. Stir occationally. (The resulting water may look yellow brown.)
 4. Allow fibre to cool down slowly and then rinse in hot water.
 
  --- 
+**Mordanting**
 
  
 
 
-
+![dyepots](../images/week04/43.jpg){ width=1000}
 ## **Bacteria Dye**
  
 
diff --git a/docs/images/week04/41.jpg b/docs/images/week04/41.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..aef36b520a5fe67dda823dff3ad9f41d7322f85d
Binary files /dev/null and b/docs/images/week04/41.jpg differ
diff --git a/docs/images/week04/42.jpg b/docs/images/week04/42.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..d0cca1c65b348363821a86758afc543bc6cfcdd6
Binary files /dev/null and b/docs/images/week04/42.jpg differ
diff --git a/docs/images/week04/43.jpg b/docs/images/week04/43.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..00a39eac00c649f731a574d14fb03fa2023ae236
Binary files /dev/null and b/docs/images/week04/43.jpg differ