Memory Technical materialsVersion en ligne Do you know what properties these materials have? And do you know what they are made of? No? Well, click on this memory and you will learn a lot of things about the materials! par Carla Rodríguez Martínez Opacity Acoustic conductivity Electrical conductivity Wire Glass Thermal conductivity Transparency Pan Wall Door Translucency Window Oil Plastic Sweater Mines Paper Cow Pencil Milk Wood Sheep Tree Electrical wires