diff --git a/docs/assignments/week04.md b/docs/assignments/week04.md
index f3e20e84b19062caccb6f721bb82e51d69bca9af..feb79566ccf52a547f6a4d7ab7897a5f26515767 100644
--- a/docs/assignments/week04.md
+++ b/docs/assignments/week04.md
@@ -202,6 +202,10 @@ _Material name_ | _Fabric composition_ | _Breathability_ | _Moisture-wicking abi
 ------------- | ------------- | ------------- | ------------- | ------------- | ------------- | -------------
 Silk | Sericin and Fibroin | High| High | Low | Low | < 40°C
 
+
+
+![lab](../images/week04/412.jpg){ width=1000}
+
 ---
 ---
 
diff --git a/docs/images/week04/412.jpg b/docs/images/week04/412.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..d9d7213ab212a8f2c113fc2c49ffa7d91b862eed
Binary files /dev/null and b/docs/images/week04/412.jpg differ