try to construct a group around a topic of your curiosity, after which construct from that. a lower number for the u-factor means better efficiency. i realized how much i missed the books while they were in the basement boxed away. i knew nana for one year of her 92 total, so it’s fair to say i missed a lot. well i have to give this company 10/10, just terrific job and terrific service. the head i was looking for was elsewhere. 