"It's hard for us to reveal much about silicon because of the...

"It's hard for us to reveal much about silicon because of the nature of the equipment and the process itself, you don't want to just show everyone everything. But it's at a very, very advanced stage, feasibility work, engineering work... Worley and other groups that have been involved in that... yeah it's at a very very advanced stage. We just don't want to bring too much out on it until customers are also there at the same time as the finance, so you know what the whole package is and that it's not just a plan. You can actually see the wonderful metrics, the financial profitability, who's involved, the validation and all that..."