Um and I just  the idea is just to get everybody to um  I usually  have a have have a design that's there as a basic , so , you know , things that  to start everything going. But I guess everybody does have some idea , so I don't think um there's a need for that. Um okay this finding things is a little bit confusing , so I'll go into the diagram first. It just explains how the process goes through , from a
Mm-hmm.
from the basic technology point of view , the basic steps that you need um in the diagram and in this slide probably works better. Um okay , you need some power source. 'Kay , a battery or something , to keep it going.
Mm-hmm.