kind of looks like we're going to a rave or something. >> So, you have the sticky mat and this is just to remove anything from the bottom of our feet, >> okay. >> So, we don't bring anything inside.And then you'll have rooms that look like this, which are growth chamber rooms. >> Basically, this is where we give them the right light signals to trigger the growth so they become green and strong and all of that. >> Just put them wherever you want.Yeah. How much nickel can you produce now. >> We're capable of ...