Hide disposal for non-primary products

relog-web/src/ProductBlock.js

@@ -111,7 +111,10 @@ const ProductBlock = (props) => {
             onTemplate={onInitialAmountsTemplate}
           />
 
-          <h1>Disposal</h1>
+          <h1 style={{ display: nCenters == 0 ? "none" : "block" }}>
+            Disposal
+          </h1>
+          <div style={{ display: nCenters == 0 ? "none" : "block" }}>
             <TextInputRow
               label="Disposal cost"
               unit="$/tonne"
@@ -139,6 +142,7 @@ const ProductBlock = (props) => {
               validate="floatList"
               disabled={props.value["disposal limit (tonne)"].length > 0}
             />
+          </div>
 
           <h1>Transportation</h1>
           <TextInputRow