2013-01-09 Dishes matter – what are food contact materials? EVIRA Last modified 04.01.2013 http://www.evira.fi/portal/en/food/information_on_food/food+packaging+materials/dishes+matter+-+what+are+food+contact+materials-/ どこが変わったかわからない http://d.hatena.ne.jp/uneyama/20101129#p2