diff --git a/src/contents/engineering.tsx b/src/contents/engineering.tsx
index af97f834aaa65f9b6286608e3ced4ea5e8a44f10..951cf817b4a2cdc055e1ac66b8d8f6057025a6e7 100644
--- a/src/contents/engineering.tsx
+++ b/src/contents/engineering.tsx
@@ -5,10 +5,13 @@ import { openElement } from "../utils/openElement";
 import { H3, H4 } from "../components/Headings";
 import { useTabNavigation } from "../utils/TabNavigation";
 import { Collapsible } from "../components/Collapsible";
+import { useNavigation } from "../utils";
+
 
 
 export function Engineering() {
    useTabNavigation();
+   const {goToPagesAndOpenTab} = useNavigation ();
     return (
       <>
         <div className="row mt-4">
@@ -298,7 +301,7 @@ export function Engineering() {
                <section id="Delivery sec" >
                   <div className="eng-box box" >
                      <H3 id="Delivery" text="Delivery"></H3>
-                     <p>The design path of our lipid nanoparticle (LNP) for mRNA delivery underwent multiple cycles of research and discussion, marked by important decision points and learnings along the way.</p>
+                     <p>The design path of our lipid nanoparticle (LNP) for mRNA delivery underwent multiple cycles of research and discussion, marked by important decision points and learnings along the way. By ongoing further improvement, we designed our lungs-specific LNP called AirBuddy with improved stability aspects, becoming more precise in the delivery of our therapeutic cargo LNP by LNP.</p>
                   </div>
                   <div className="box" >
                      <p id="del1">
@@ -344,7 +347,7 @@ export function Engineering() {
                      <Collapsible id="Col2" open={false} title="header">
                         <p>Insert text here</p>
                      </Collapsible>
-                     <p>The final innovation for our LNP to become <strong>AirBuddy</strong> came through consultation with Benjamin Winkeljann from RNhale, where the use of spray-drying techniques was discussed. Spray-drying the LNPs, instead of using traditional methods, helped improve stability and eco-friendliness of the product [8].  The spray-dried SORT LNPs demonstrated lower cytotoxicity, and the technique proved effective in maintaining particle integrity.</p>
+                     <p>The final innovation for our LNP to become <strong>AirBuddy</strong> came through consultation with Benjamin Winkeljann from <a onClick={() => goToPagesAndOpenTab('rnhale', '/human-practices')}> Rnhale </a> , where the use of spray-drying techniques was discussed. Spray-drying the LNPs, instead of using traditional methods, helped improve stability and eco-friendliness of the product [8].  The spray-dried SORT LNPs demonstrated lower cytotoxicity, and the technique proved effective in maintaining particle integrity.</p>
                      <figure> 
                          <img src="https://static.igem.wiki/teams/5247/delivery/sort-lnp-freigestellt.webp" alt="AirBuudy"/> 
                          <figcaption>