that's why dsny has partnered up with eri as well as veolia and help sponsor these events. >> yeah, the reason why lithium sometimes is because you go to throw them out, they last for centuries, right? so, you don't want to just toss them in the garbage, because they'll -- they're toxic. >> they're very hazardous, they create a fire hazard, and they are easily recyclable, as well. >> right, and they -- right, a little juicing up and they can be put back in the system again and reused on a shelf for somebody else. so, why -- why waste -- because, to acq-- i was reading, to acquire lithium is very difficult and very expensive, whereas if you take the lithium and re-juice it, if you will, it can be used in another lithium battery very easily. >> that's correct. >> so, now, when it comes to somebody taking their -- say, their lithium batteries, or any other kind of batteries or whatever -- you know, the thought of having to gather it up and take it some place, i think, for a lot of people, i think that's a very daunting task. but as we just heard, it's not that difficult. >> new york city h