Update app.py

app.py

@@ -262,12 +262,16 @@ with gr.Blocks(css=css_styling, title=page_title, theme=osium_theme) as demo:
         show_progress=True,
     )
     clear_button.click(
-        lambda x: [gr.update(value=None)] * 3,
+        lambda x: [gr.update(value=None)] * 9,
         [],
         [
-            optimal_parameters,
             input_hardness,
             input_yield_strength,
+            metals_constraints, 
+            optimal_formula,
+            optimal_processing_method,
+            density, young_modulus,
+            microstructure, phase
         ],
     )