 pouring concrete and mixing concrete and then we have our welders that come in and build our test frames and so and our electricians that come in and make sure everything is running well and and so it's a big collaborative effort so each person has their own little piece of the pie there so to speak or the puzzle and once that puzzle is completed that's when we're able to do the test but not everybody gets to see the final results from the test but they have to know that it's they're all very important to the process