681435 Building materials can include tiles, carpet, blinds and tools. Source_VOA 240386 Light waves travel through space and various kinds of materials. CM 58238 I want to buy this material for a new dress. How much does it cost? CK 688555 Can you tell us about your experience in developing technical materials? pandark 298773 He draws on his childhood experiences for the material of most of his stories. CM 31523 Another interesting source of energy is the heat that can be recovered from radioactive waste material. CK 612009 This was a translation of copyrighted material, so I deleted it since copyright owners have the right to control derivative works. CK