I don't have an information on that. However our company  obviously can provide us with uh with the titanium , so I assume , I'm , I was given an okay to use it.
It certainly is an expensive material ,
I'm aware of that , but I was given an okay.
But there are certain restrictions to certain materials. Now let's first go through the list with the materials. So we what we can use is plastic , rubber , wood and titanium. Can also mix these. Um as for the energy source , um we were talking about that shortly in the other meeting. Um what we could use is , or what I was offered , or what we could use , is a basic bateer battery. Right ? Uh a dynamo. Interestingly enough.