mr. funge or mr. reiskin, whoever would comment on the boring machines themselves. i just wanted to ask, a question has been raised by some of the public about leaving them in the ground and whether that's a viable option. i'm not in favor of that obviously, but i just wanted to get an answer about whether they're serviceable at some future time and what happens to the machines could be used again if they were taken out, could they be put back down in the ground. if someone could answer that question. >> commissioner antonini, so, the machines themselves have a short self-life. so, if we left them in the ground, it's not like parking a car and coming back in and starting it up and continuing to fisherman's wharf. so, basically when they're left in the ground, they will eventually degrade and become a very heavy expensive tin can. in terms of burying the machine, yes, that is a feasible all teshvthv at ternative that was present today our board. * there are down sides. there are issues, future issues essentially with burying the machine wherever they're buried. if yo