I don’t know… That was what my concern was. I don’t know what those aluminum looking canisters are. Because it looks like those lines are going into the building as well. God only knows what they’re up to up there, I just want my family members to leave. I did notify them of the unsafety storing practices of the oxygen tanks, and the gas containers back behind where they have the generator. I mean gas cans, generator, and oxygen tanks probably shouldn’t all be stored next to one another. I know that at least. It doesn’t take the daughter of a rocket scientist to figure that out. LOL!