http://www.flashcardexchange.com/user/view/13064 en-us Mon, 28 May 2012 08:41:05 PDT Mon, 28 May 2012 08:41:05 PDT support@flashcardexchange.com 720 http://www.flashcardexchange.com/flashcards/view/7433 a set of words to use to describe attributes of different materials Tue, 19 Feb 2002 12:00:00 PST http://www.flashcardexchange.com/flashcards/view/7433 http://www.flashcardexchange.com/flashcards/view/7085 these words are words used to describe certain characteristics of materials used for buildings and structures Mon, 11 Feb 2002 12:00:00 PST http://www.flashcardexchange.com/flashcards/view/7085