today x future
However the humans living on the spaceship were different to the humans who will be living on earth now. They were so fat them to be struggling to walk. they travelled around in motorised chairs using a computer screen and cup & straw attached, chatting on phones and if they happened to fall out they only laid there until a robot arrived and picked them up. The adults were fat, your children were fat! They just laid around all day meals doing no exercise what so ever and to quote the captain, "Computer, define dancing". Today's building codes state spaces using furnaces have to have opportinity for creating combustion air because it used. Newer homes have ducting installed, during construction, which brings outdoors externally with an area nearby the furnace. This ducting, usually called make-up air duct, or combustion make-up air, is sized in accordance with the capacity from the furnace.